County Maps US

Clark County, Wisconsin

A county in Wisconsin, ranked 41 of 72 by population.

CountyFIPS 55019

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

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Population
35,052
+412 (+1.2%) since 2020
Land area
1,210
square miles. A further 0.7% of the total area is water
Population density
29.0
people per square mile, computed rather than published
County seat
Neillsville
Seat of county government.
Established
1853
172 years ago
Largest city
Neillsville city
Population 2,367.

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 Clark 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 Clark 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 590 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 Clark 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
Population35,05241st of 721,312th of 3,144
Land area1,210 sq mi7th of 72507th of 3,144
Population density29.0 per sq mi54th of 721,954th of 3,144
Median household income$67,40050th of 721,396th of 3,143

Full data for Clark County

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population35,052Vintage 2025 Population Estimates
Population in 202034,640Vintage 2025 Population Estimates
2020 estimates base?34,630Vintage 2025 Population Estimates
Land area1,210 sq mi2025 Gazetteer Files
Water area9.0 sq mi2025 Gazetteer Files
Total area1,219 sq mi2025 Gazetteer Files
Population density?29.0 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$67,400American Community Survey 2020-2024 5-Year Estimates
Median home value$172,800American Community Survey 2020-2024 5-Year Estimates
Median age36.7American Community Survey 2020-2024 5-Year Estimates
Households12,839American Community Survey 2020-2024 5-Year Estimates
Housing units14,961American 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
+222
611 births, 389 deaths
Net migration
-146
More people moved out than moved in.

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

The 6 areas bordering Clark 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
Jackson CountyWisconsin42 mi20,999
Taylor CountyWisconsin30 mi20,118
Marathon CountyWisconsin24 mi139,432
Eau Claire CountyWisconsin18 mi109,033
Wood CountyWisconsin18 mi74,060
Chippewa CountyWisconsin12 mi67,614

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.