View source for Middlesex County, Connecticut

{{short description|County in Connecticut, United States}}
{{Use American English|date=June 2025}}
{{Use mdy dates|date=April 2024}}
{{Infobox U.S. county
 | county               = Middlesex County
 | state                = Connecticut
 | type                 = [[List of counties in Connecticut|County]]
 | founded year         = 1785
 | founded date         = May
 | seat                 = none (since 1960)<br />[[Middletown, Connecticut|Middletown]] (before 1960)
 | largest city         = [[Middletown, Connecticut|Middletown]]
 | area_total_sq_mi     = 439
 | area_land_sq_mi      = 369
 | area_water_sq_mi     = 70
 | area percentage      = 15.9%
 | census yr            = 2020
 | pop                  = 164245 {{decrease}}
 | pop_est_as_of        = 
 | population_est       = 
 | density_sq_mi        = 370
 | district             = 1st
 | district2            = 2nd
 | district3            = 3rd
 | ex image             = Middletown, CT - Raymond E Baldwin Courthouse 01.jpg
 | ex image cap         = Raymond E Baldwin Courthouse
 | time zone            = Eastern
 | named for            = [[Middlesex]], [[England]] 
}}
{{maplink|frame=yes|zoom=8|id=Q54238|type=shape|stroke-color=#808080|fill=#808080|fill-opacity=0.0|text=Interactive map of Middlesex County, Connecticut}}

'''Middlesex County''' is a [[county (United States)|county]] in the south central part of the [[U.S. state]] of [[Connecticut]]. As of the [[2020 United States census|2020 census]], the population was 164,245.<ref>{{cite web|title=Census - Geography Profile: Middlesex County, Connecticut |url=https://data.census.gov/cedsci/profile?g=0500000US09007|publisher=[[United States Census Bureau]] |access-date=November 20, 2021}}</ref> The county was created in May 1785 from portions of [[Hartford County, Connecticut|Hartford County]] and [[New London County, Connecticut|New London County]].

Middlesex County is included in the [[Hartford, Connecticut|Hartford]]-[[East Hartford, Connecticut|East Hartford]]-[[Middletown, Connecticut|Middletown]] [[metropolitan statistical area]] known as [[Greater Hartford]].

As with all eight of Connecticut's counties, there is now no county government and no county seat. In Connecticut, towns are responsible for all local government activities, including local police, fire and rescue, [[snow removal]], and schools. In a few cases, neighboring towns will share certain resources, e.g. water, gas, etc. On June 6, 2022, the U.S. Census Bureau formally recognized [[Councils of governments in Connecticut|Connecticut's nine councils of governments]] as county equivalents instead of the state's eight counties. Connecticut's county governments were disbanded in 1960, and the councils of governments took over some of the local governmental functions. [[List of counties in Connecticut|Connecticut's eight historical counties]] continue to exist in name only, and are no longer considered for statistical purposes.<ref>https://www.federalregister.gov/documents/2022/06/06/2022-12063/change-to-county-equivalents-in-the-state-of-connecticut Federal Register: Change to County-Equivalents in the State of Connecticut</ref>

==Government==
{{unsourced|section|date=September 2025}}
[[Middletown, Connecticut|Middletown]] was the county seat of Middlesex County from its creation in 1785 until the elimination of county government in 1960. There is no government in Middlesex County other than the Middlesex County Judicial District. All county functions other than courts and county sheriff's departments were discontinued in 1960, and again in 2000 when the county sheriff's departments were reorganized as the [[Connecticut Judicial Marshal]], due to political corruption in the county sheriff's departments. Joseph E. Bibisi was the last person to serve as high sheriff of Middlesex County.

==Geography==
The county has a total area of {{convert|439|sqmi}}, of which {{convert|369|sqmi}} is land and {{convert|70|sqmi}} (15.9%) is water.<ref name="GR1">{{cite web|url=https://www.census.gov/geographies/reference-files/time-series/geo/gazetteer-files.html|publisher=[[United States Census Bureau]]|access-date=April 23, 2011|date=February 12, 2011|title=US Gazetteer files: 2010, 2000, and 1990}}</ref> It is the smallest county in Connecticut by land area and second-smallest by total area.

The terrain trends from mostly level along the [[Connecticut River]] and Atlantic coast to gently rolling uplands away from them. The highest elevation is close to a [[Benchmark (surveying)|triangulation station]] in '''Meshomasic State Forest''', at {{convert|916|ft}} above sea level; the lowest point is sea level.

Middlesex County is also the home of [[Wadsworth Falls]].

===Adjacent counties===
*[[Hartford County, Connecticut|Hartford County]] (north)
*[[New London County, Connecticut|New London County]] (east)
*[[New Haven County, Connecticut|New Haven County]] (west)
*[[Suffolk County, New York]] (south)

===National protected areas===
* [[Silvio O. Conte National Wildlife Refuge]] (part)
* [[Stewart B. McKinney National Wildlife Refuge]] (part)

{{Rivers of Connecticut}}

==Demographics==
{{US Census population
|1790= 18828
|1800= 19874
|1810= 20723
|1820= 22405
|1830= 24844
|1840= 24879
|1850= 27216
|1860= 30859
|1870= 36099
|1880= 35589
|1890= 39524
|1900= 41760
|1910= 45637
|1920= 47550
|1930= 51388
|1940= 55999
|1950= 67332
|1960= 88865
|1970= 114816
|1980= 129017
|1990= 143196
|2000= 155071
|2010= 165676
|2020= 164245
|align-fn=center
|footnote=U.S. Decennial Census<ref>{{cite web|url=https://www.census.gov/programs-surveys/decennial-census.html|title=U.S. Decennial Census|publisher=United States Census Bureau|access-date=June 11, 2014}}</ref><br />1790–1960<ref>{{cite web|url=http://mapserver.lib.virginia.edu|title=Historical Census Browser|publisher=University of Virginia Library|access-date=June 11, 2014}}</ref> 1900–1990<ref>{{cite web|url=https://www.census.gov/population/cencounts/ct190090.txt|title=Population of Counties by Decennial Census: 1900 to 1990|publisher=United States Census Bureau|access-date=June 11, 2014}}</ref><br />1990–2000<ref>{{cite web|url=https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.census.gov/population/www/cen2000/briefs/phc-t4/tables/tab02.pdf |archive-date=October 9, 2022 |url-status=live|title=Census 2000 PHC-T-4. Ranking Tables for Counties: 1990 and 2000|publisher=United States Census Bureau|access-date=June 11, 2014}}</ref> 2010–2018<ref name="QF">{{cite web|title=State & County QuickFacts |url=http://quickfacts.census.gov/qfd/states/09/09007.html |publisher=United States Census Bureau |access-date=June 11, 2014 |url-status=dead |archive-url=https://web.archive.org/web/20110607095825/http://quickfacts.census.gov/qfd/states/09/09007.html |archive-date=June 7, 2011 }}</ref>
}}

===2000 census===
As of the [[census]]<ref name="GR8">{{cite web|url=https://www.census.gov|publisher=[[United States Census Bureau]]|access-date=May 14, 2011|title=U.S. Census website}}</ref> of 2000, there were 155,071 people, 61,341 households, and 40,607 families living in the county. The population density was {{convert|420|PD/sqmi|PD/km2|sp=us|adj=off}}. There were 67,285 housing units at an average density of {{convert|182|/mi2|/km2}}. According to the Census of 2010, the racial makeup of the county was 89.22% [[Race (United States Census)|White]], 4.64% [[Race (United States Census)|Black]] or [[Race (United States Census)|African American]], 0.17% [[Race (United States Census)|Native American]], 2.56% [[Race (United States Census)|Asian]], 0.04% [[Race (United States Census)|Pacific Islander]], 1.30% from [[Race (United States Census)|other races]], and 2.06% from two or more races. 4.73% of the population were [[Race (United States Census)|Hispanic]] or [[Race (United States Census)|Latino]] of any race. 20.4% were of [[Italian people|Italian]], 14.3% [[Irish people|Irish]], 11.1% [[English people|English]], 8.9% [[Polish people|Polish]] and 8.2% [[German people|German]] ancestry. 91.1% spoke [[English language|English]], 2.6% [[Spanish language|Spanish]], 1.9% [[Italian language|Italian]], 1.2% [[French language|French]] and 1.0% [[Polish language|Polish]] as their first language.

There were 61,341 households, out of which 30.30% had children under the age of 18 living with them, 54.40% were [[Marriage|married couples]] living together, 8.80% had a female householder with no husband present, and 33.80% were non-families. 27.20% of all households were made up of individuals, and 10.00% had someone living alone who was 65 years of age or older. The average household size was 2.43 and the average family size was 2.98.

In the county, the population was spread out, with 23.20% under the age of 18, 7.30% from 18 to 24, 31.10% from 25 to 44, 24.80% from 45 to 64, and 13.60% who were 65 years of age or older. The median age was 39 years. For every 100 females, there were 95.10 males. For every 100 females age 18 and over, there were 92.10 males.

The median income for a household in the county was $59,175, and the median income for a family was $71,319. Males had a median income of $48,341 versus $35,607 for females. The [[per capita income]] for the county was $28,251. About 2.30% of families and 4.60% of the population were below the [[poverty line]], including 4.00% of those under age 18 and 5.90% of those age 65 or over.

===2010 census===
As of the [[2010 United States census]], there were 165,676&nbsp;people, 67,202&nbsp;households, and 43,743&nbsp;families living in the county.<ref name="census-dp1">{{cite web
  |url=http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_DP/DPDP1/0500000US09007
  |title=DP-1 Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data
  |access-date=January 12, 2016
  |publisher=[[United States Census Bureau]]
  |archive-url=https://archive.today/20200213011810/http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_DP/DPDP1/0500000US09007
  |archive-date=February 13, 2020
  |url-status=dead
  }}</ref> The population density was {{convert|448.6|PD/sqmi}}. There were 74,837 housing units at an average density of {{convert|202.6|/sqmi}}.<ref name="census-density">{{cite web
  |url=http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_SF1/GCTPH1.CY07/0500000US09007
  |access-date=January 12, 2016
  |title=Population, Housing Units, Area, and Density: 2010 - County
  |publisher=[[United States Census Bureau]]
  |archive-url=https://archive.today/20200213190828/http://factfinder.census.gov/bkmk/table/1.0/en/DEC/10_SF1/GCTPH1.CY07/0500000US09007
  |archive-date=February 13, 2020
  |url-status=dead
  }}</ref> The racial makeup of the county was 89.2% white, 4.7% black or African American, 2.6% Asian, 0.2% American Indian, 1.3% from other races, and 2.1% from two or more races. Those of Hispanic or Latino origin made up 4.7% of the population.<ref name="census-dp1"/> In terms of ancestry, 24.6% were [[Italians|Italian]], 21.2% were [[Irish people|Irish]], 14.0% were [[English people|English]], 13.5% were [[Germans|German]], 11.1% were [[Polish people|Polish]], and 3.4% were [[Americans|American]].<ref name="census-dp2">{{cite web
  |url=http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP02/0500000US09007
  |title=DP02 SELECTED SOCIAL CHARACTERISTICS IN THE UNITED STATES – 2006-2010 American Community Survey 5-Year Estimates
  |access-date=January 12, 2016
  |publisher=[[United States Census Bureau]]
  |archive-url=https://archive.today/20200213015605/http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP02/0500000US09007
  |archive-date=February 13, 2020
  |url-status=dead
  }}</ref>

Of the 67,202&nbsp;households, 29.4% had children under the age of 18 living with them, 51.9% were married couples living together, 9.4% had a female householder with no husband present, 34.9% were non-families, and 28.2% of all households were made up of individuals. The average household size was 2.39 and the average family size was 2.95. The median age was 43.1 years.<ref name="census-dp1"/>

The median income for a household in the county was $74,906 and the median income for a family was $91,589. Males had a median income of $62,031 versus $50,031 for females. The per capita income for the county was $37,519. About 3.0% of families and 6.1% of the population were below the [[poverty line]], including 6.7% of those under age 18 and 4.3% of those age 65 or over.<ref name="census-dp3">{{cite web
  |url=http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP03/0500000US09007
  |title=DP03 SELECTED ECONOMIC CHARACTERISTICS – 2006-2010 American Community Survey 5-Year Estimates
  |access-date=January 12, 2016
  |publisher=[[United States Census Bureau]]
  |archive-url=https://archive.today/20200213034446/http://factfinder.census.gov/bkmk/table/1.0/en/ACS/10_5YR/DP03/0500000US09007
  |archive-date=February 13, 2020
  |url-status=dead
  }}</ref>

===Demographic breakdown by town===

====Income====
{{See also|List of Connecticut locations by per capita income}}
Data is from the 2010 United States Census and the 2006-2010 American Community Survey 5-Year Estimates.<ref>{{cite web |url=http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_10_5YR_DP03&prodType=table|archive-url=https://archive.today/20200212213253/http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_10_5YR_DP03&prodType=table|url-status=dead|archive-date=February 12, 2020|title=SELECTED ECONOMIC CHARACTERISTICS 2006-2010 American Community Survey 5-Year Estimates |publisher=U.S. Census Bureau |access-date=November 25, 2012}}</ref><ref>{{cite web|url=http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_DP_DPDP1&prodType=table |archive-url=https://archive.today/20190521214830/https://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=DEC_10_DP_DPDP1&prodType=table |url-status=dead |archive-date=May 21, 2019 |title=Profile of General Population and Housing Characteristics: 2010 Demographic Profile Data |publisher=U.S. Census Bureau |access-date=November 25, 2012 }}</ref>
{| class="wikitable sortable"
|- valign=bottom
! Rank
! Town
! 
! Per capita<br/>income
! Median<br/>household<br/>income
! Median<br/>family<br/>income
! Population
! Number of<br/>households
|-
| 1
| [[Fenwick, Connecticut|Fenwick]]
| Borough
| $110,127
| $114,375
| $250,000+
| 43
| 26
|-
| 2
| [[Essex, Connecticut|Essex]]
| Town
| $57,365
| $87,480
| $105,982
| 6,683
| 2,916
|-
| 3
| [[Killingworth, Connecticut|Killingworth]]
| Town
| $45,404
| $99,500
| $108,232
| 6,525
| 2,474
|-
| 4
| [[Old Saybrook, Connecticut|Old Saybrook]]
| Town
| $43,400
| $79,985
| $99,595
| 10,242
| 4,247
|-
| 5
| [[Cromwell, Connecticut|Cromwell]]
| Town
| $41,926
| $82,012
| $99,362
| 14,005
| 5,752
|-
| 6
| [[Chester, Connecticut|Chester]]
| Town
| $40,783
| $80,185
| $89,760
| 3,994
| 1,714
|-
| 7
| [[Durham, Connecticut|Durham]]
| Town
| $39,579
| $105,417
| $110,583
| 7,388
| 2,610
|-
| 8
| [[Portland, Connecticut|Portland]]
| Town
| $39,100
| $86,661
| $96,016
| 9,508
| 3,822
|-
| 9
| [[Westbrook, Connecticut|Westbrook]]
| Town
| $38,158
| $61,069
| $72,969
| 6,938
| 2,948
|-
| 10
| [[Haddam, Connecticut|Haddam]]
| Town
| $37,324
| $86,179
| $100,343
| 8,346
| 3,218
|-
| 11
| [[East Haddam, Connecticut|East Haddam]]
| Town
| $37,156
| $82,695
| $86,023
| 9,126
| 3,593
|-
| 12
| [[Clinton, Connecticut|Clinton]]
| Town
| $37,117
| $74,174
| $82,839
| 13,260
| 5,303
|-
| 13
| [[Middlefield, Connecticut|Middlefield]]
| Town
| $36,747
| $80,392
| $94,432
| 4,425
| 1,742
|-
| 14
| [[Deep River, Connecticut|Deep River]]
| Town
| $35,564
| $65,250
| $81,641
| 4,629
| 1,940
|-
| 15
| [[East Hampton, Connecticut|East Hampton]]
| Town
| $34,555
| $88,281
| $95,854
| 12,959
| 5,060
|-
| 16
| [[Middletown, Connecticut|Middletown]]
| City
| $31,348
| $57,655
| $78,006
| 47,648
| 19,863
|-
|}

====Race====
Data is from the 2007-2011 American Community Survey 5-Year Estimates, ACS Demographic and Housing Estimates, "Race alone or in combination with one or more other races."<ref>{{cite web |url=http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_11_5YR_DP05&prodType=table|archive-url=https://archive.today/20200212212105/http://factfinder.census.gov/faces/tableservices/jsf/pages/productview.xhtml?pid=ACS_11_5YR_DP05&prodType=table|url-status=dead|archive-date=February 12, 2020|title=ACS DEMOGRAPHIC AND HOUSING ESTIMATES 2007-2011 American Community Survey 5-Year Estimates |publisher=U.S. Census Bureau |access-date=January 8, 2013}}</ref>
{| class="wikitable sortable"
|- valign=bottom
! Rank
! Town
! 
! Population
! White
! Black
! Asian
! American<br/>Indian
! Other
! Hispanic
|-
| 1
| [[Middletown, Connecticut|Middletown]]
| City
| 47,510
| 79.2%
| 15.7%
| 4.9%
| 0.6%
| 3.2%
| 8.1%
|-
| 2
| [[Cromwell, Connecticut|Cromwell]]
| Town
| 13,951
| 93.2%
| 3.9%
| 3.3%
| 0.3%
| 0.5%
| 4.2%
|-
| 3
| [[Clinton, Connecticut|Clinton]]
| Town
| 13,291
| 95.8%
| 0.5%
| 2.1%
| 0.2%
| 1.8%
| 3.5%
|-
| 4
| [[East Hampton, Connecticut|East Hampton]]
| Town
| 12,926
| 95.4%
| 1.6%
| 1.7%
| 0.3%
| 1.9%
| 3.8%
|-
| 5
| [[Old Saybrook, Connecticut|Old Saybrook]]
| Town
| 10,307
| 97.8%
| 0.7%
| 1.8%
| 0.6%
| 0.0%
| 0.4%
|-
| 6
| [[Portland, Connecticut|Portland]]
| Town
| 9,470
| 96.2%
| 2.2%
| 1.0%
| 0.2%
| 1.9%
| 4.4%
|-
| 7
| [[East Haddam, Connecticut|East Haddam]]
| Town
| 9,069
| 99.3%
| 1.2%
| 0.0%
| 0.2%
| 0.7%
| 0.9%
|-
| 8
| [[Haddam, Connecticut|Haddam]]
| Town
| 8,267
| 98.5%
| 1.5%
| 0.5%
| 1.5%
| 0.2%
| 2.6%
|-
| 9
| [[Durham, Connecticut|Durham]]
| Town
| 7,342
| 94.7%
| 0.5%
| 3.1%
| 0.2%
| 3.2%
| 5.3%
|-
| 10
| [[Westbrook, Connecticut|Westbrook]]
| Town
| 6,891
| 95.4%
| 0.5%
| 4.0%
| 1.2%
| 0.0%
| 4.5%
|-
| 11
| [[Essex, Connecticut|Essex]]
| Town
| 6,697
| 98.8%
| 0.6%
| 1.4%
| 0.1%
| 0.1%
| 0.6%
|-
| 12
| [[Killingworth, Connecticut|Killingworth]]
| Town
| 6,499
| 96.7%
| 0.0%
| 7.5%
| 1.4%
| 0.7%
| 3.0%
|-
| 13
| [[Deep River, Connecticut|Deep River]]
| Town
| 4,652
| 88.7%
| 2.0%
| 0.3%
| 0.8%
| 7.5%
| 8.6%
|-
| 14
| [[Middlefield, Connecticut|Middlefield]]
| Town
| 4,418
| 94.3%
| 1.7%
| 4.2%
| 0.0%
| 0.7%
| 1.5%
|-
| 15
| [[Chester, Connecticut|Chester]]
| Town
| 3,984
| 98.3%
| 0.4%
| 1.7%
| 0.7%
| 0.0%
| 2.6%
|-
| 16
| [[Fenwick, Connecticut|Fenwick]]
| Borough
| 51
| 100.0%
| 5.9%
| 0.0%
| 0.0%
| 0.0%
| 0.0%
|-
|}

==Communities==
[[Image:Map of Middlesex County Connecticut With Municipal Labels.PNG|thumb|250px|right|Map of Middlesex County, Connecticut showing cities, boroughs, towns, and CDPs]]

===City===
*[[Middletown, Connecticut|Middletown]]

===Towns===
Villages are named localities within towns, but have no separate corporate existence from the towns they are in.
{{Div col|colwidth=20em}}
*[[Chester, Connecticut|Chester]]
**[[Chester Center, Connecticut|Chester Center]]
*[[Clinton, Connecticut|Clinton]]
**[[Clinton (CDP), Connecticut|Clinton village]]
*[[Cromwell, Connecticut|Cromwell]]
*[[Deep River, Connecticut|Deep River]]
**[[Deep River Center, Connecticut|Deep River Center]]
**Winthrop
*[[Durham, Connecticut|Durham]]
**[[Durham (CDP), Connecticut|Durham village]]
*[[East Haddam, Connecticut|East Haddam]]
**[[Leesville, Connecticut|Leesville]]
**[[Millington, Connecticut|Millington]]
**[[Moodus, Connecticut|Moodus]]
*[[East Hampton, Connecticut|East Hampton]]
**[[Cobalt, Connecticut|Cobalt]]
**[[East Hampton (CDP), Connecticut|East Hampton village]]
**[[Lake Pocotopaug, Connecticut|Lake Pocotopaug]]
**[[Middle Haddam Historic District|Middle Haddam]]
*[[Essex, Connecticut|Essex]]
**[[Centerbrook, Connecticut|Centerbrook]]
**[[Essex Village, Connecticut|Essex Village]]
**[[Ivoryton, Connecticut|Ivoryton]]
*[[Haddam, Connecticut|Haddam]]
**[[Hidden Lake (Connecticut)|Hidden Lake]]
**[[Higganum, Connecticut|Higganum]]
*[[Killingworth, Connecticut|Killingworth]]
*[[Middlefield, Connecticut|Middlefield]]
**[[Rockfall, Connecticut|Rockfall]]
*[[Old Saybrook, Connecticut|Old Saybrook]]
**[[Fenwick, Connecticut|Fenwick]]
**[[Old Saybrook Center, Connecticut|Old Saybrook Center]]
**[[Saybrook Manor, Connecticut|Saybrook Manor]]
*[[Portland, Connecticut|Portland]]
**[[Portland (CDP), Connecticut|Portland village]]
*[[Westbrook, Connecticut|Westbrook]]
**[[Westbrook Center, Connecticut|Westbrook Center]]
{{Div col end}}

==Politics==
Middlesex County was a Republican leaning county for most of its history, but since 1992 it has become reliably Democratic.
{{PresHead|place=Middlesex County, Connecticut|source=<ref>{{cite web|url=http://uselectionatlas.org/RESULTS/|title=Dave Leip's Atlas of U.S. Presidential Elections|first=David|last=Leip|website=uselectionatlas.org|access-date=May 26, 2017}}</ref>}}
<!-- PresRow should be {{PresRow|Year|Winning party|GOP vote #|Dem vote #|3rd party vote #|State}} -->
{{PresRow|1884|Republican|3,896|3,459|349|Connecticut}}
{{PresRow|1888|Republican|4,363|3,613|275|Connecticut}}
{{PresRow|1892|Republican|4,316|3,762|374|Connecticut}}
{{PresRow|1896|Republican|5,664|2,245|461|Connecticut}}
{{PresRow|1900|Republican|5,000|3,102|121|Connecticut}}
{{PresRow|1904|Republican|4,991|3,167|160|Connecticut}}
{{PresRow|1908|Republican|5,071|2,935|183|Connecticut}}
{{PresRow|1912|Democratic|2,892|3,393|1,878|Connecticut}}
{{PresRow|1916|Republican|4,524|3,765|179|Connecticut}}
{{PresRow|1920|Republican|8,447|4,170|331|Connecticut}}
{{PresRow|1924|Republican|9,383|4,009|994|Connecticut}}
{{PresRow|1928|Republican|11,205|7,380|115|Connecticut}}
{{PresRow|1932|Republican|10,770|9,286|344|Connecticut}}
{{PresRow|1936|Democratic|10,925|12,294|359|Connecticut}}
{{PresRow|1940|Republican|13,447|13,044|39|Connecticut}}
{{PresRow|1944|Republican|14,315|13,551|176|Connecticut}}
{{PresRow|1948|Republican|16,119|14,609|537|Connecticut}}
{{PresRow|1952|Republican|22,157|15,722|73|Connecticut}}
{{PresRow|1956|Republican|25,496|13,851|0|Connecticut}}
{{PresRow|1960|Democratic|22,045|22,158|1|Connecticut}}
{{PresRow|1964|Democratic|14,697|30,517|71|Connecticut}}
{{PresRow|1968|Democratic|21,999|23,727|2,798|Connecticut}}
{{PresRow|1972|Republican|33,249|23,573|602|Connecticut}}
{{PresRow|1976|Republican|31,115|29,097|338|Connecticut}}
{{PresRow|1980|Republican|28,989|24,768|9,915|Connecticut}}
{{PresRow|1984|Republican|39,580|26,915|227|Connecticut}}
{{PresRow|1988|Republican|34,682|33,946|716|Connecticut}}
{{PresRow|1992|Democratic|24,646|34,707|21,674|Connecticut}}
{{PresRow|1996|Democratic|22,960|37,695|11,131|Connecticut}}
{{PresRow|2000|Democratic|29,295|43,319|4,819|Connecticut}}
{{PresRow|2004|Democratic|35,252|47,292|1,440|Connecticut}}
{{PresRow|2008|Democratic|32,918|52,984|1,351|Connecticut}}
{{PresRow|2012|Democratic|34,591|47,855|1,092|Connecticut}}
{{PresRow|2016|Democratic|38,867|45,357|4,400|Connecticut}}
{{PresRow|2020|Democratic|40,665|56,848|1,690|Connecticut}}
{{PresRow|2024|Democratic|41,654|54,173|1,692|Connecticut}}
{{PresFoot}}

==See also==
{{Portal|Connecticut}}
*[[National Register of Historic Places listings in Middlesex County, Connecticut]]

==References==
{{reflist|30em}}

==External links==
*[https://web.archive.org/web/20070117170506/http://www.middlesexhistory.org/index.html Middlesex County Historical Society]
*{{Cite AmCyc|wstitle=Middlesex (United States)|display=Middlesex: II. A S. county of Connecticut |short=x}}

{{Geographic Location
 | Centre    = Middlesex County, Connecticut
 | North     = [[Hartford County, Connecticut|Hartford County]]
 | Northeast =
 | East      = [[New London County, Connecticut|New London County]]
 | Southeast =
 | South     = [[Long Island Sound]]
 | Southwest =
 | West      = [[New Haven County, Connecticut|New Haven County]]
 | Northwest =
}} 
{{Middlesex County, Connecticut}}
{{Connecticut}}
{{Greater Hartford}}
{{Authority control}}
{{Coord|41.44|-72.52|display=title|type:adm2nd_region:US-CT_source:UScensus1990}}

[[Category:Middlesex County, Connecticut| ]]
[[Category:1785 establishments in Connecticut]]
[[Category:1960 disestablishments in Connecticut]]
[[Category:Populated places established in 1785]]
[[Category:Greater Hartford]]