Genesee County, Michigan

County seat: Flint · Population 401,093 (2025) · 637 sq mi

Genesee County is the 5th most populous of Michigan's 83 counties, with 401,093 people (2025 estimate). Its county seat is Flint. It is part of the East (Region 6) region, one of the 10 Michigan prosperity regions. The map shows its 16 cities and towns and the 6 neighboring counties.

Map of Genesee County, Michigan with cities, towns and the county boundary
Genesee County, Michigan with its cities and towns, unincorporated communities (CDPs) and neighboring counties. Boundaries: U.S. Census Bureau, 2025. Free to use with attribution (CC BY 4.0).

Genesee County facts

County seat
Flint
Population (2025 estimate)
401,093 −1.3% since 2020
Land area
637 sq mi 33rd largest of 83
Water area
13 sq mi
Population density
630 per sq mi
Established
1835
Named after
Genesee County county in New York, United States
Largest city
Flint 79,306
Median household income
$62,281
Cities and towns
16 plus 3 CDPs
ZIP codes
34
Time zone
Eastern
FIPS code
26049

Cities and towns in Genesee County

Genesee County has 16 incorporated cities, towns and villages. Populations count the people living inside Genesee County; cities that cross a county line also list the other counties.

NameTypePopulation 2025Also in
Flint (county seat)City79,306
BurtonCity29,313
FentonCity11,749Livingston and Oakland counties
FlushingCity8,175
Grand BlancCity7,880
Swartz CreekCity5,827
DavisonCity5,039
LindenCity4,186
Mount MorrisCity3,086
ClioCity2,478
GoodrichVillage2,003
MontroseCity1,700
OtisvilleVillage805
GainesVillage369
LennonVillage96Shiawassee County
Otter LakeVillage58Lapeer County

Unincorporated communities (CDPs)

Census-designated places are communities without their own city government; the county provides their services.

CommunityPopulationAlso in
Beecher8,412
Lake Fenton6,417
Argentine2,190

ZIP codes in Genesee County

34 ZIP codes reach into Genesee County. ZIP codes ignore county lines, so some also cover a neighboring county.

Population of Genesee County, 2020–2025

Genesee County shrank by 5,114 people (−1.3%) between April 2020 and July 2025: 6,347 more deaths than births and a net gain of 1,027 people from migration.

Year (July 1)Population
2020405,746
2021404,694
2022401,952
2023401,351
2024401,288
2025401,093

Neighboring counties

Printable Genesee County map

The PDF is a vector file with real text: it prints sharp on Letter paper and you can search it for a town. The PNG is 2400 pixels wide for slides and documents. Both are free to use with a credit to WhichCounty.

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Sources

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