Jefferson County, Iowa
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Jefferson County is a county located in the U.S. state of Iowa. As of the 2020 United States census, the population was 15,663.<ref name=cen2020>Template:Cite web</ref> The county seat is Fairfield.<ref>Template:Cite web</ref> The county was formed in January 1839, and was named for U.S. President Thomas Jefferson.<ref>Template:Cite book</ref><ref>Jefferson County Template:Webarchive</ref> Jefferson County comprises the Fairfield, IA Micropolitan Statistical Area.
Geography
According to the US Census Bureau, the county has a total area of Template:Convert, of which Template:Convert is land and Template:Convert (0.3%) is water.<ref>Template:Cite web</ref> The Skunk River flows southward through the NE part of the county, while the SW part of the county is drained by the nearby Des Moines River, which flows southeastward through Van Buren and Wapello counties.
Major highways
Transit
Adjacent counties
- Keokuk County − northwest
- Washington County − northeast
- Henry County − east
- Van Buren County − south
- Wapello County − west
Demographics

2020 census

The 2020 census recorded a population of 15,663 in the county, with a population density of Template:Pop density. There were 7,689 housing units, of which 6,902 were occupied.<ref name=cen2020/>
| Race | Num. | Perc. |
|---|---|---|
| White (NH) | 13,425 | 85.71% |
| Black or African American (NH) | 409 | 2.61% |
| Native American (NH) | 43 | 0.27% |
| Asian (NH) | 500 | 3.2% |
| Pacific Islander (NH) | 9 | .06% |
| Other/Mixed (NH) | 667 | 4.3% |
| Hispanic or Latino | 610 | 4% |
2010 census
The 2010 census recorded a population of 16,843 in the county, with a population density of Template:Pop density. There were 7,594 housing units, of which 6,846 were occupied.<ref>Template:Cite web</ref>
2000 census
As of the 2000 United States census,<ref>Template:Cite web</ref> there were 16,181 people, 6,649 households, and 4,281 families in the county. The population density was Template:Convert. There were 7,241 housing units at an average density of Template:Convert. The racial makeup of the county was 96.02% White, 0.64% Black or African American, 0.17% Native American, 1.70% Asian, 0.04% Pacific Islander, 0.53% from other races, and 0.91% from two or more races. 1.84% of the population were Hispanic or Latino of any race.
There were 6,649 households, out of which 31.10% had children under the age of 18 living with them, 53.10% were married couples living together, 8.00% had a female householder with no husband present, and 35.60% were non-families. 30.40% of all households were made up of individuals, and 10.70% had someone living alone who was 65 years of age or older. The average household size was 2.34 and the average family size was 2.93.
The county population contained 24.40% under the age of 18, 7.60% from 18 to 24, 24.40% from 25 to 44, 29.80% from 45 to 64, and 13.80% who were 65 years of age or older. The median age was 41 years. For every 100 females, there were 95.90 males. For every 100 females age 18 and over, there were 93.60 males.
The median income for a household in the county was $33,851, and the median income for a family was $43,819. Males had a median income of $32,066 versus $22,479 for females. The per capita income for the county was $19,579. About 7.40% of families and 10.90% of the population were below the poverty line, including 12.40% of those under age 18 and 9.00% of those age 65 or over. Template:Clear left
Law and government
Jefferson County's executive branch is a three-member board of supervisors who are elected to four-year terms. Other elected officials are county auditor, county sheriff, county treasurer, and county recorder.<ref>Template:Cite web</ref>
Politics
Historically, Jefferson County heavily favored presidential candidates from the Republican Party. It is noted for being one of the few counties in Iowa that never voted for Woodrow Wilson, along with having never given a Democrat who carried the county over sixty percent of the vote. In recent decades, politics within the county have become more competitive. From 1992 to 2012, the county had been carried by the Democratic presidential candidate in every election with the exception of 2000, when George W. Bush obtained a plurality. In the 1996 presidential election, Jefferson County was the only county in the United States to give any (winning) candidate less than forty percent of the vote, with Bill Clinton winning the county 35.1% to Bob Dole's 34.4%. In 2024, Donald Trump became the first Republican to win a majority of the votes in Jefferson County since Ronald Reagan's 1984 performance. The county has been the strongest basis of support for the Natural Law Party's presidential campaigns, due to the presence of the Maharishi Vedic City and Maharishi International University.
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Communities
Cities
- Batavia
- Coppock (partial)<ref>Template:Cite web</ref>
- Fairfield
- Libertyville
- Lockridge
- Maharishi Vedic City
- Packwood
- Pleasant Plain
Unincorporated communities
- Abingdon
- Beckwith<ref>Template:Cite web</ref><ref>Template:Cite web</ref>
- East Pleasant Plain<ref>Template:Cite web</ref><ref>Template:Cite web</ref><ref>Template:Cite web</ref>
- Germanville<ref>Template:Cite web</ref><ref>Template:Cite web</ref>
- Glasgow<ref>Template:Cite web</ref><ref>Template:Cite web</ref>
- Perlee<ref>Template:Cite web</ref><ref>Template:Cite web</ref>
- Salina<ref>Template:Cite web</ref><ref>Template:Cite web</ref><ref>Template:Cite web</ref>
- Veo
Townships
- Black Hawk
- Buchanan
- Cedar
- Center
- Des Moines
- Liberty
- Lockridge
- Locust Grove
- Penn
- Polk
- Round Prairie
- Walnut
Population ranking
The population ranking of the following table is based on the 2020 census of Jefferson County.<ref name=cen2020/>
† county seat
| Rank | City/Town/etc. | Municipal type | Population (2020 Census) |
|---|---|---|---|
| 1 | † Fairfield | City | 9,416 |
| 2 | Batavia | City | 430 |
| 3 | Maharishi Vedic City | City | 277 |
| 4 | Libertyville | City | 274 |
| 5 | Lockridge | City | 244 |
| 6 | Packwood | City | 183 |
| 7 | Pleasant Plain | City | 84 |
| 8 | Coppock (mostly in Henry and Washington Counties) | City | 36 |
See also
Notes
References
External links
Template:Jefferson County, Iowa Template:Iowa Template:Authority control Template:Coord