County Maps US

Saginaw County, Michigan

A county in Michigan, ranked 11 of 83 by population.

CountyFIPS 26145

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

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Population
187,688
-2,165 (-1.1%) since 2020
Land area
800.8
square miles. A further 1.9% of the total area is water
Population density
234
people per square mile, computed rather than published
County seat
Saginaw
Seat of county government.
Established
1822
203 years ago
Largest city
Saginaw city
Population 42,863.

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 Saginaw 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 Saginaw 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 800 by 727 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 Saginaw 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
Population187,68811th of 83376th of 3,144
Land area800.8 sq mi21st of 831,064th of 3,144
Population density234 per sq mi14th of 83519th of 3,144
Median household income$60,62255th of 832,030th of 3,143

Full data for Saginaw County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population187,688Vintage 2025 Population Estimates
Population in 2020189,853Vintage 2025 Population Estimates
2020 estimates base?190,140Vintage 2025 Population Estimates
Land area800.8 sq mi2025 Gazetteer Files
Water area15.2 sq mi2025 Gazetteer Files
Total area816 sq mi2025 Gazetteer Files
Population density?234 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$60,622American Community Survey 2020-2024 5-Year Estimates
Median home value$152,800American Community Survey 2020-2024 5-Year Estimates
Median age41.2American Community Survey 2020-2024 5-Year Estimates
Households77,958American Community Survey 2020-2024 5-Year Estimates
Housing units86,208American 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
-377
1,906 births, 2,283 deaths
Net migration
+297
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 Saginaw 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
Bay CountyMichigan30 mi102,123
Gratiot CountyMichigan23 mi41,190
Shiawassee CountyMichigan22 mi67,681
Genesee CountyMichigan18 mi401,093
Tuscola CountyMichigan18 mi52,680
Midland CountyMichigan17 mi83,754

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

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.