County Maps US

Genesee County, Michigan

A county in Michigan, ranked 5 of 83 by population.

CountyFIPS 26049

Within Michigan
Genesee County, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Flint, the county seat, located via the 2025 Census Gazetteer.

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Population
401,093
-4,653 (-1.1%) since 2020
Land area
636.9
square miles. A further 1.9% of the total area is water
Population density
630
people per square mile, computed rather than published
County seat
Flint
Seat of county government.
Established
1835
190 years ago
Largest city
Flint city
Population 79,306.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of Genesee County with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of Genesee County, Michigan from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 651 by 800 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where Genesee County ranks

Position among the 83 counties of Michigan, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn MichiganNationally
Population401,0935th of 83193rd of 3,144
Land area636.9 sq mi33rd of 831,495th of 3,144
Population density630 per sq mi5th of 83229th of 3,144
Median household income$62,28149th of 831,867th of 3,143

Full data for Genesee County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population401,093Vintage 2025 Population Estimates
Population in 2020405,746Vintage 2025 Population Estimates
2020 estimates base?406,207Vintage 2025 Population Estimates
Land area636.9 sq mi2025 Gazetteer Files
Water area12.6 sq mi2025 Gazetteer Files
Total area649.6 sq mi2025 Gazetteer Files
Population density?630 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$62,281American Community Survey 2020-2024 5-Year Estimates
Median home value$182,400American Community Survey 2020-2024 5-Year Estimates
Median age40.6American Community Survey 2020-2024 5-Year Estimates
Households167,334American Community Survey 2020-2024 5-Year Estimates
Housing units183,903American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
-1,138
4,026 births, 5,164 deaths
Net migration
+915
More people moved in than moved out.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering Genesee County

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Shiawassee CountyMichigan24 mi67,681
Lapeer CountyMichigan24 mi89,516
Oakland CountyMichigan18 mi1,288,337
Saginaw CountyMichigan18 mi187,688
Livingston CountyMichigan12 mi197,315
Tuscola CountyMichigan12 mi52,680

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

Side by side

All 83 counties of Michigan

Open the interactive Michigan county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.