Municipalities in Guerrero are administratively autonomous of the state according to the 115th article of the 1917 Constitution.<ref name="constitution">Template:Cite actTemplate:Webarchive</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" />
The largest municipality by population in Guerrero is Acapulco, with 779,566 residents, and the smallest municipality is Atlamajalcingo del Monte with 5,811 residents.<ref name="census2020" /> The largest municipality by land area is Coyuca de Catalán which spans Template:Convert, and the smallest is Alpoyeca which spans Template:Convert.<ref name=Landarea />
Municipalities
Largest municipalities in Guerrero by population
Acapulco, Guerrero's largest municipality by population
Chilpancingo, Guerrero's capital and second-largest municipality
Incorporation date<ref name="Incorporationdate">Template:Cite book</ref><ref group="lower-alpha">Incorporation years are included when there is no known primary source information on the date of amalgamation.<ref name=Incorporationdate/></ref>
Arcelia<ref group="lower-alpha">Arcelia was originally incorporated as Totoltepec; it changed its name to Ixcatepec in 1874 and then to Arcelia on Template:Dts.<ref name=Incorporationdate/></ref>
Ayutla<ref group="lower-alpha">The municipality of Ñuu Savi was created from 37 localities in Ayutla on August 31, 2021, and the consequent change in population of 11,099 residents and land area is not reflected in the 2020 and 2010 census data.<ref name="financiero"/><ref name = 2021newmunicipalities/></ref>
Cuajinicuilapa<ref group="lower-alpha">The municipality of San Nicolás was created from 10 localities in Cuajinicuilapa on August 31, 2021, and the consequent change in population of 6,948 residents and land area is not reflected in the 2020 and 2010 census data.<ref name="financiero">Template:Cite web</ref><ref name = 2021newmunicipalities>Template:Cite web</ref></ref>
Eduardo Neri<ref group="lower-alpha">Eduardo Neri was originally incorporated as Zumpango del Río; it changed its name on Template:Dts.<ref name=Incorporationdate/></ref>
Florencio Villarreal<ref group="lower-alpha">Florencio Villarreal was originally incorporated as Cruz Grande and changed its name on Template:Dts.<ref name=Incorporationdate/></ref>
General Heliodoro Castillo<ref group="lower-alpha">General Heliodoro Castillo was originally incorporated as Tlacotepec and changed its name on Template:Dts.<ref name=Incorporationdate/></ref>
Las Vigas<ref group="lower-alpha">The municipality of Las Vigas was created from 19 localities in San Marcos on August 31, 2021, and this change is not included in the 2020 or 2010 census figures. The population of Las Vigas is 9,449 as of the 2020 census.<ref name="financiero"/><ref name = 2021newmunicipalities/></ref>
La Unión de Isidoro Montes de Oca<ref group="lower-alpha">La Unión was originally incorporated as Zacatula; it changed its name to La Unión de Isidoro Montes de Oca on Template:Dts.<ref name=Incorporationdate/></ref>
Malinaltepec<ref group="lower-alpha">The municipality Santa Cruz del Rincón was created from 19 localities in Malinaltepec on August 31, 2021, and the consequent change in population of 6,851 residents and land area is not reflected in the 2020 and 2010 census data.<ref name="financiero"/><ref name = 2021newmunicipalities/></ref>
Ñuu Savi<ref group="lower-alpha">The municipality of Ñuu Savi was created from 37 localities in Ayutla on August 31, 2021, and this change is not included in the 2020 or 2010 census figures. Ñuu Savi has a population of 11,099 as of the 2020 census.<ref name="financiero"/><ref name = 2021newmunicipalities/></ref>
San Marcos<ref group="lower-alpha">The municipality of Las Vigas was created from 19 localities in San Marcos on August 31, 2021, and the consequent change in population of 9,449 residents and land area is not reflected in the 2020 and 2010 census data.<ref name="financiero"/><ref name = 2021newmunicipalities/></ref>
San Nicolás<ref group="lower-alpha">The municipality of San Nicolás was created from 10 localities in Cuajinicuilapa on August 31, 2021, and this change is not included in the 2020 or 2010 census figures. The population of is 6,948 as of the 2020 census.<ref name="financiero"/><ref name = 2021newmunicipalities/></ref>
Santa Cruz del Rincón<ref group="lower-alpha">The municipality of Santa Cruz del Rincón was created from 19 localities in Malinaltepec on August 31, 2021, and this change is not included in the 2020 or 2010 census figures. The population of Santa Cruz del Rincón is 6,851 as of the 2020 census.<ref name="financiero"/><ref name = 2021newmunicipalities/></ref>
Tlacoapa<ref group="lower-alpha">Tlacoapa was originally incorporated as Totomixtlahuaca and changed its name to Tlacoapa on Template:Dts.<ref name=Incorporationdate/></ref>