Municipalities of Sonora

Map of Mexico with Sonora highlighted

Sonora is a state in northwestern Mexico that is divided into 72 municipalities. According to the 2020 INEGI census, it is the eighteenth most populated state with Template:Nts inhabitants and the 2nd largest by land area spanning Template:Convert.<ref name="census2020">Template:Cite web</ref><ref name="Landarea"> Template:Cite web</ref> The largest municipality by population is Hermosillo, with 936,263 residents (31.79% of the state's total), while the smallest is Onavas with 365 residents.<ref name="census2020" /> The largest municipality by land area is also Hermosillo which spans Template:Convert, and the smallest is San Felipe de Jesús with Template:Convert.<ref name=Landarea /> The newest municipalities are Benito Juárez and San Ignacio Río Muerto, established in 1996.<ref name=dates>Template:Cite book</ref>

Municipalities in Sonora are administratively autonomous of the state according to the 115th article of the 1917 Constitution of Mexico.<ref name="constitution">Template:Cite act</ref> Every three years, citizens elect a municipal president (Spanish: presidente municipal) by a plurality voting system who heads a concurrently elected municipal council (ayuntamiento) responsible for providing all the public services for their constituents. The municipal council consists of a variable number of trustees and councillors (regidores y síndicos).<ref>Template:Cite book</ref> Municipalities are responsible for public services (such as water and sewerage), street lighting, public safety, traffic, and the maintenance of public parks, gardens and cemeteries.<ref name="Mexicolaws">Template:Cite book</ref> They may also assist the state and federal governments in education, emergency fire and medical services, environmental protection and maintenance of monuments and historical landmarks. Since 1984, they have had the power to collect property taxes and user fees, although more funds are obtained from the state and federal governments than from their own income.<ref name="Mexicolaws" />

Municipalities

• Largest municipalities in Sonora by population
• 
  Hermosillo, capital and largest municipality by population in Sonora.
• 
  Cajeme, second largest municipality by population.
• 
  Nogales, third largest municipality by population.

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Name	Municipal seat	Population (2020)<ref name="census2020">Template:Cite web</ref>	Population (2010)<ref name="census2010">Template:Cite web</ref>	Change	Land area<ref name="Landarea" />		Population density (2020)	Incorporation date<ref name=dates />
					km2	sq mi
Aconchi<ref group="lower-alpha">Aconchi was merged with Arizpe between 1837-1862 and 1930-1932.<ref name=dates/></ref>	Aconchi	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Agua Prieta	Agua Prieta	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Álamos	Álamos	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Altar<ref group="lower-alpha">Altar was renamed Villa Figueroa from 1828 to 1837.<ref name=dates/></ref>	Altar	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Arivechi	Arivechi	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Arizpe	Arizpe	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Atil	Atil	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Bacadéhuachi<ref group="lower-alpha">Bacadéhuachi was merged with Bacerac in 1930-31.<ref name=dates/></ref>	Bacadéhuachi	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Bacanora<ref group="lower-alpha">Bacanora was merged with Sahuaripa in 1930-32.<ref name=dates/></ref>	Bacanora	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Bacerac	Bacerac	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Bacoachi	Bacoachi	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Bácum<ref group="lower-alpha">Bacum was merged with Cajeme in 1930-31.<ref name=dates/></ref>	Bácum	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Banámichi<ref group="lower-alpha">Banámichi was merged with Arizpe in 1930-31.<ref name=dates/></ref>	Banámichi	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Baviácora<ref group="lower-alpha">Baviácora was merged with Arizpe in 1930-31.<ref name=dates/></ref>	Baviácora	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Bavispe<ref group="lower-alpha">Bavispe was merged with Bacerac in 1930-31.<ref name=dates/></ref>	Bavispe	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Benito Juárez	Villa Juárez	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Benjamín Hill	Benjamín Hill	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Caborca	Caborca	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Cajeme	Ciudad Obregón	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Cananea	Cananea	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Carbó<ref group="lower-alpha">Carbó was merged with San Miguel de Horcasitas in 1943-1953.<ref name=dates/></ref>	Carbó	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Cucurpe<ref group="lower-alpha">Cucurpe was merged with Magdalena in 1930-32.<ref name=dates/></ref>	Cucurpe	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Cumpas	Cumpas	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Divisaderos	Divisaderos	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Empalme<ref group="lower-alpha">Empalme was merged with Guaymas in 1940-1953.<ref name=dates/></ref>	Empalme	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Etchojoa	Etchojoa	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Fronteras<ref group="lower-alpha">Fronteras was merged with Agua Prieta in 1930-31.<ref name=dates/></ref>	Fronteras	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Granados<ref group="lower-alpha">Granados was merged with Cumpas in 1930-32.<ref name=dates/></ref>	Granados	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Guaymas<ref group="lower-alpha">Guaymas was originally incorporated as Villa de Salvación, changing its name on Template:Dts.<ref name=dates/></ref>	Guaymas	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Hermosillo<ref group="lower-alpha">Hermosillo was originally incorporated as Pitic, changing its name on Template:Dts.<ref name=dates/></ref>	HermosilloTemplate:Dagger	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Huachinera<ref group="lower-alpha">Huachinera was merged with Bacerac in 1930-1952.<ref name=dates/></ref>	Huachinera	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Huásabas<ref group="lower-alpha">Huásabas was merged with Cumpas in 1930-32.<ref name=dates/></ref>	Huásabas	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Huatabampo	Huatabampo	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Huépac<ref group="lower-alpha">Huépac was merged with Arizpe in 1930-31.<ref name=dates/></ref>	Huépac	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Imuris<ref group="lower-alpha">Imuris was merged with Magdalena in 1930-31.<ref name=dates/></ref>	Imuris	Template:Change	Template:Convert	Template:Pop density	Template:Dts
La Colorada<ref group="lower-alpha">La Colorada was originally incorporated as Mineral de las Prietas, changing its name on Template:Dts. It was merged with Hermosillo in 1930-34.<ref name=dates/></ref>	La Colorada	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Magdalena	Magdalena de Kino	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Mazatán <ref group="lower-alpha">Mazatán was merged with Ures in 1930-34.<ref name=dates/></ref>	Mazatán	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Moctezuma<ref group="lower-alpha">Moctezuma was originally incorporated as Oposura, changing its name on Template:Dts.<ref name=dates/></ref>	Moctezuma	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Naco	Naco	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Nácori Chico<ref group="lower-alpha">Nácori Chico was merged with Bacerac in 1930-1934.<ref name=dates/></ref>	Nácori Chico	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Nacozari	Nacozari de García	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Navojoa	Navojoa	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Nogales	Nogales	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Onavas<ref group="lower-alpha">Onavas was merged with Soyopa in 1903-1907 and with Ures in 1930-1935.<ref name=dates/></ref>	Onavas	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Opodepe<ref group="lower-alpha">Opodepe was merged with Rayón in 1930-1933.<ref name=dates/></ref>	Opodepe	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Oquitoa<ref group="lower-alpha">Oquitoa was merged with Altar in 1930-1934.<ref name=dates/></ref>	Oquitoa	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Pitiquito	Pitiquito	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Puerto Peñasco	Puerto Peñasco	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Plutarco Elías Calles	Sonoyta	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Quiriego<ref group="lower-alpha">Quiriego was merged with Rosario in 1930-1932.<ref name=dates/></ref>	Quiriego	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Rayón<ref group="lower-alpha">Rayón was originally incorporated as Nacameri, changing its name on Template:Dts.<ref name=dates/></ref>	Rayón	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Rosario	Rosario de Tesopaco	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Sahuaripa<ref group="lower-alpha">Sahuaripa was originally incorporated as Ostimuri, changing its name on Template:Dts.<ref name=dates/></ref>	Sahuaripa	Template:Change	Template:Convert	Template:Pop density	Template:Dts
San Felipe de Jesús<ref group="lower-alpha">San Felipe de Jesús was merged with Arizpe in 1930-32.<ref name=dates/></ref>	San Felipe de Jesús	Template:Change	Template:Convert	Template:Pop density	Template:Dts
San Ignacio Río Muerto	San Ignacio Río Muerto	Template:Change	Template:Convert	Template:Pop density	Template:Dts
San Javier<ref group="lower-alpha">San Javier was merged with Hermosillo in 1930-34.<ref name=dates/></ref>	San Javier	Template:Change	Template:Convert	Template:Pop density	Template:Dts
San Luis Río Colorado	San Luis Río Colorado	Template:Change	Template:Convert	Template:Pop density	Template:Dts
San Miguel de Horcasitas <ref group="lower-alpha">San Miguel de Horcasitas was merged with Ures in 1930-34.<ref name=dates/></ref>	San Miguel de Horcasitas	Template:Change	Template:Convert	Template:Pop density	Template:Dts
San Pedro de la Cueva<ref group="lower-alpha">San Pedro de la Cueva was merged with Batuc in 1930-32.<ref name=dates/></ref>	San Pedro de la Cueva	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Santa Ana	Santa Ana	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Santa Cruz<ref group="lower-alpha">Santa Cruz was merged with Nogales in 1930-31.<ref name=dates/></ref>	Santa Cruz	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Sáric<ref group="lower-alpha">Sáric was merged with Altar in 1930-34.<ref name=dates/></ref>	Sáric	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Soyopa<ref group="lower-alpha">Soyopa was merged with Ures in 1930-35.<ref name=dates/></ref>	Soyopa	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Suaqui Grande<ref group="lower-alpha">Suaqui Grande was merged with Hermosillo in 1930-35.<ref name=dates/></ref>	Suaqui Grande	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Tepache<ref group="lower-alpha">Tepache was merged with Moctezuma in 1930-32.<ref name=dates/></ref>	Tepache	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Trincheras<ref group="lower-alpha">Trincheras was merged with Pitiquito in 1930-34.<ref name=dates/></ref>	Trincheras	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Tubutama<ref group="lower-alpha">Tubutama was merged with Sáric in 1903-08 and with Altar in 1930-34.<ref name=dates/></ref>	Tubutama	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Ures	Ures	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Villa Hidalgo<ref group="lower-alpha">Villa Hidalgo was originally incorporated as Oputo, changing its name on Template:Dts.<ref name=dates/></ref>	Villa Hidalgo	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Villa Pesqueira<ref group="lower-alpha">Villa Pesqueira was originally incorporated as Mápate, changing its name on Template:Dts. Merged with Ures in 1930-34.<ref name=dates/></ref>	Villa Pesqueira	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Yécora<ref group="lower-alpha">Yécora was merged with Ures in 1930-35.<ref name=dates/></ref>	Yécora	Template:Change	Template:Convert	Template:Pop density	Template:Dts
Sonora	—	Template:Change	Template:Nts	Template:Convert	Template:Pop density	—
Mexico	—	Template:Change	Template:Nts	Template:Convert	Template:Pop density	—