Calumet County, Wisconsin

A county in Wisconsin, ranked 27 of 72 by population.

CountyFIPS 55015

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

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Population
53,982
+1,507 (+2.9%) since 2020
Land area
318.3
square miles. A further 19.9% of the total area is water
Population density
170
people per square mile, computed rather than published
County seat
Chilton
Seat of county government.
Established
1850
175 years ago
Largest city
Harrison village
Population 14,492 for the whole place, which extends beyond this county.

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 Calumet 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 Calumet 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 614 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 Calumet 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
Population53,98227th of 72966th of 3,144
Land area318.3 sq mi68th of 722,769th of 3,144
Population density170 per sq mi16th of 72629th of 3,144
Median household income$88,8107th of 72332nd of 3,143

Full data for Calumet County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population53,982Vintage 2025 Population Estimates
Population in 202052,475Vintage 2025 Population Estimates
2020 estimates base?52,440Vintage 2025 Population Estimates
Land area318.3 sq mi2025 Gazetteer Files
Water area78.8 sq mi2025 Gazetteer Files
Total area397.1 sq mi2025 Gazetteer Files
Population density?170 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$88,810American Community Survey 2020-2024 5-Year Estimates
Median home value$274,200American Community Survey 2020-2024 5-Year Estimates
Median age41.7American Community Survey 2020-2024 5-Year Estimates
Households21,372American Community Survey 2020-2024 5-Year Estimates
Housing units22,493American 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
+75
429 births, 354 deaths
Net migration
+142
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 Calumet 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
Manitowoc CountyWisconsin24 mi81,710
Winnebago CountyWisconsin21 mi174,218
Fond du Lac CountyWisconsin15 mi104,669
Outagamie CountyWisconsin10 mi195,894
Brown CountyWisconsin7.4 mi275,803
Sheboygan CountyWisconsin6.0 mi118,047

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.