County Maps US

Manitowoc County, Wisconsin

A county in Wisconsin, ranked 21 of 72 by population.

CountyFIPS 55071

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

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Population
81,710
+309 (+0.4%) since 2020
Land area
589.3
square miles. A further 60.6% of the total area is water
Population density
139
people per square mile, computed rather than published
County seat
Manitowoc
Seat of county government.
Established
1836
189 years ago
Largest city
Manitowoc city
Population 34,671.

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 Manitowoc 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 Manitowoc County, Wisconsin 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 717 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 Manitowoc County ranks

Position among the 72 counties of Wisconsin, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn WisconsinNationally
Population81,71021st of 72719th of 3,144
Land area589.3 sq mi48th of 721,661st of 3,144
Population density139 per sq mi19th of 72733rd of 3,144
Median household income$69,14844th of 721,262nd of 3,143

Full data for Manitowoc County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population81,710Vintage 2025 Population Estimates
Population in 202081,401Vintage 2025 Population Estimates
2020 estimates base?81,364Vintage 2025 Population Estimates
Land area589.3 sq mi2025 Gazetteer Files
Water area904.8 sq mi2025 Gazetteer Files
Total area1,494 sq mi2025 Gazetteer Files
Population density?139 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$69,148American Community Survey 2020-2024 5-Year Estimates
Median home value$186,900American Community Survey 2020-2024 5-Year Estimates
Median age45.1American Community Survey 2020-2024 5-Year Estimates
Households35,188American Community Survey 2020-2024 5-Year Estimates
Housing units38,084American 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
-178
733 births, 911 deaths
Net migration
+6
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 Manitowoc 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
Sheboygan CountyWisconsin48 mi118,047
Kewaunee CountyWisconsin42 mi20,758
Calumet CountyWisconsin24 mi53,982
Mason CountyMichigan22 mi29,040
Brown CountyWisconsin20 mi275,803
Manistee CountyMichigan11 mi25,656

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

All 72 counties of Wisconsin

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

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