• county
  • FIPS 55019
  • Largest town: Neillsville

Clark County, Wisconsin

Clark County had 34,801 residents in the Census Vintage 2024 estimate, on 1,209.7 square miles of land. It ranks 41st of 72 in Wisconsin by population and 7th by land area.

Population
34,801
#41 of 72 in Wisconsin · #1,318 in US
Area
1,209.7 sq mi
#7 of 72 in Wisconsin · #507 in US
Density
29 / sq mi
#54 of 72 in Wisconsin · #1,961 in US
Median household income
$66,994
#47 of 72 in Wisconsin · #1,208 in US

Census Vintage 2024 estimates · SAIPE 2023 income · 2024 Gazetteer land area

Clark County within Wisconsin. Pin: Madison.

Measure from here

Tools and pages that start from Clark County

Clark County population, land area and income

Clark County had 34,801 residents in the Census Vintage 2024 estimate, on 1,209.7 square miles of land. It ranks 41st of 72 in Wisconsin by population and 7th by land area. That works out to 28.8 people per square mile, below the US average of 96.3, and below the national county median.

The median county-equivalent in Wisconsin has 41,821 residents; Clark County is somewhat smaller.

Its SAIPE 2023 median household income of $66,994 is above the national county median among 3,143 counties with an estimate.

National rank among 3,144

Population

34,801

3144th1st

1318th of 3,144 (US)

Land area

1,210 sq mi

3144th1st

507th of 3,144 (US)

Density

28.8 / sq mi

3144th1st

1961st of 3,144 (US)

Median household income

$66,994

3143rd1st

1208th of 3,143 (US)

Rank within Wisconsin (72)

Population

34,801

72nd1st

41st of 72 (WI)

Land area

1,210 sq mi

72nd1st

7th of 72 (WI)

Density

28.8 / sq mi

72nd1st

54th of 72 (WI)

Median household income

$66,994

72nd1st

47th of 72 (WI)

How Clark County's population changed since 2020

Clark County gained 172 residents between the July 2020 and July 2024 estimates, a rise of 0.5%. That ranks 47th of 72 in Wisconsin for growth. The median Wisconsin county changed by +1.0%, and the state as a whole by +1.1%.

Since the April 2020 estimates base, Clark County recorded 2,419 births and 1,633 deaths, a natural change of +786. Net international migration added +228 and net domestic migration, people moving to or from other US counties, came to -830. The largest single component was domestic migration, which removed 830 people.

34.6k202034.7k202134.7k202234.8k202334.8k2024
Census Vintage 2024 county estimates for July 1 of each year. The axis starts above zero so year-to-year changes are visible.

Components of change, April 2020 to July 2024

Births
2,419
Deaths
1,633
Net international migration
+228
Net domestic migration
-830
Change, July 2023 to July 2024
+9

Where Clark County is

The Census internal point of Clark County is at 44.739200, -90.609900. It sits in UTM zone 15N. The map shades Wisconsin's 72 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Clark County outlined. Dots are towns of 1,000+ people with residents in it.

Barron County: +0.2%Green County: +0.4%Dunn County: +1.5%Jefferson County: +0.0%Lincoln County: +0.1%Rusk County: -0.1%Fond du Lac County: +0.1%Marquette County: +1.0%Outagamie County: +2.3%Waupaca County: -1.2%Oneida County: +0.8%Eau Claire County: +2.8%Washington County: +1.4%Portage County: +2.3%Menominee County: +0.7%Clark County: +0.5%Monroe County: +0.2%Milwaukee County: -1.5%Buffalo County: +1.1%Lafayette County: +4.2%Ozaukee County: +2.5%Rock County: +1.0%Sheboygan County: +0.2%Green Lake County: +1.8%Waukesha County: +2.3%Calumet County: +2.1%Dodge County: -0.8%Wood County: -0.3%Winnebago County: +0.9%Sawyer County: +4.0%Dane County: +4.6%Sauk County: +1.1%Pepin County: +2.9%Adams County: +3.2%Price County: +0.4%Taylor County: +1.1%Grant County: +0.7%Trempealeau County: -0.0%Vernon County: +2.1%Waushara County: +2.2%Iowa County: +1.0%Crawford County: -0.5%Kenosha County: -0.3%Shawano County: +1.1%Juneau County: -0.7%Jackson County: -0.3%Vilas County: +3.7%Bayfield County: +3.7%Chippewa County: +1.5%Iron County: +1.5%Racine County: +0.3%Door County: +1.3%Ashland County: +1.1%Kewaunee County: +0.9%Polk County: +1.8%Florence County: +2.4%Douglas County: -0.2%Forest County: +3.7%Columbia County: -0.7%Walworth County: +0.7%La Crosse County: +0.1%Manitowoc County: +0.1%Oconto County: +2.5%Langlade County: +0.4%Marathon County: +0.7%Washburn County: +2.2%Brown County: +1.8%Richland County: -0.9%Marinette County: +1.1%St. Croix County: +4.3%Pierce County: +2.7%Burnett County: +3.7%
Change 2020 to 2024
  1. < +0.1%
  2. < +0.7%
  3. < +1.3%
  4. < +2.3%
  5. ≥ +2.3%
no data

Orange pin: Clark County internal point. Dark pin: Madison.

Internal point

Decimal
44.739200, -90.609900
DMS
44°44'21.12"N 90°36'35.64"W
UTM
15N 689229.6E 4956758.4N
Geohash
9zzwd0ebs
Plus code
86PFP9QR+M2

Towns in Clark County

6 incorporated places of 1,000+ people have residents in Clark County, 9,444 people together, or 27% of the county. Each figure counts only the part of the town inside Clark County; towns marked "part" extend into another county. The largest is Neillsville with 2,375.

  1. 01Neillsville2,375
  2. 02Abbotsford (part)1,787
  3. 03Thorp1,769
  4. 04Colby (part)1,252
  5. 05Loyal1,187
  6. 06Greenwood1,074
Census Vintage 2024 subcounty estimates, county parts of incorporated places (SUMLEV 157).

Counties bordering Clark County

The Census 2024 county adjacency file lists 6 neighbors for Clark County. The most populous is Marathon County, WI, with 139,091 residents. Distances run between Census internal points in a straight line.

Distance to Madison and the nearest big city

Madison is 130.2 miles SSE of Clark County's internal point in a straight line. The nearest place of 100,000 or more is Rochester, MN (population 123,624), 105.0 miles away. The nearest place of 10,000 or more is Marshfield, WI (population 18,973), 22.1 miles away.

Clark County FIPS code

The FIPS code of Clark County is 55019: state code 55 for Wisconsin plus county code 019. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $66,994.

Questions people ask

What is the population of Clark County, Wisconsin?

The Census Vintage 2024 estimate for July 1, 2024 is 34,801. That is up 172 people (0.5%) from the July 2020 estimate of 34,629.

What is the FIPS code of Clark County?

55019. The first two digits (55) are Wisconsin; the last three (019) identify the county.

What is the largest town in Clark County?

Neillsville, with 2,375 residents inside Clark County in 2024.

Which counties border Clark County?

6 county-equivalents border it in the Census 2024 adjacency file: Marathon County, WI; Eau Claire County, WI; Wood County, WI; Chippewa County, WI; Jackson County, WI; Taylor County, WI.

Sources and data as of

Data as of: Census Vintage 2024 population estimates, 2024 Gazetteer land area and internal points, SAIPE 2023 median household income.

  1. 01Census Vintage 2024 county population estimates
  2. 02Census 2024 Gazetteer, counties
  3. 03Census SAIPE 2023 state and county estimates
  4. 04Census Vintage 2024 subcounty population estimates
  5. 05Census 2024 county adjacency file
  6. 06Census 2024 cartographic boundary file, counties (1:5,000,000)

How every number is computed: methodology. Spotted a wrong figure? Report an error.