Clark County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 41st-largest in Wisconsin
The population of Clark County, Wisconsin is 34,736 as of the 2023 American Community Survey, making it the 41st-largest county in Wisconsin. The median household income is $66,250, the median home value is $163,800, and the median age is 37.0.
The population of Clark County has grown 0.4% since 2010 (34,670 → 34,801), a +0.03% annualized rate.
34,736
Population
+0.03%
Annual growth
29
People / sq mi
$66,250
Median Income
$163,800
Median Home Value
Clark County covers 1,210 sq mi of land at 28.7 people per square mile.
About Clark County, WI
Clark County is a county in Wisconsin with a population of 34,736. It ranks #41 among counties in Wisconsin by population. The median age is 37.0, younger than the national median. The population is 51.1% male and 48.9% female.
The median household income in Clark County is $66,250, below the US median of $74,580. 7.4% of residents live below the federal poverty level. Home values sit at a median of $163,800, with monthly rent averaging $786. The homeownership rate of 77.9% is higher than the national rate of 64.8%.
Educational attainment in Clark County reflects 13.4% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 12.0% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 22.4 minutes each way.
Clark County Population History (2010-2024)
The county of Clark County had a population of 34,670 in 2010 and 34,801 in 2024, a 0.4% growth over 14 years. The peak was 34,801 in 2024. Average annual growth rate: 0.03%.
34,801
Population (2024)
34,670
Population (2010)
34,801
Peak (2024)
0.03%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 34,670 |
| 2011 | 34,670 |
| 2012 | 34,433 |
| 2013 | 34,529 |
| 2014 | 34,348 |
| 2015 | 34,350 |
| 2016 | 34,512 |
| 2017 | 34,588 |
| 2018 | 34,737 |
| 2019 | 34,785 |
| 2020 | 34,629 |
| 2021 | 34,732 |
| 2022 | 34,742 |
| 2023 | 34,792 |
| 2024 | 34,801 |
Race & Ethnicity
| White | 92.4% |
| Black or African American | 0.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Age & Sex
37.0
Median Age
48.9%
Female
51.1%
Male
17.0%
Age 65+
Age Distribution
Children (under 15): 24.5% · Seniors (65+): 17.0%
Income & Poverty
| Median household income | $66,250$-9,420 vs state |
| Mean household income | $86,275 |
| Per-capita income | $31,744 |
| Poverty rate | 7.4%+0.8% vs state |
| Unemployment rate | 2.1% |
| Employment-to-population | 62.5% |
Top Industries by Employment
The largest employment sector in Clark County is manufacturing, accounting for 23.3% of workers.
How residents commute
0.0%
Drive alone
5.7%
Carpool
69.3%
Public transit
12.0%
Work from home
22.4 min
Avg commute
Housing
$163,800$-83,600 vs state
Median home value
$786
Median rent
77.9%
Homeownership rate
14,842
Total housing units
85.5%
Occupied
14.5%
Vacant
22.1%
Renter-occupied
Social & access
78.7%
With health insurance
83.1%
With broadband internet
18.2%
Foreign-born
6.2%
Veterans (18+)
12.0%
With a disability
82.6%
Speak language other than English at home
Education
82.5%
High School+
13.4%
Bachelor's+
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County rankings
Frequently Asked Questions
Clark County, Wisconsin has a population of 34,736 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 41st-largest county in Wisconsin. Population density is 29 people per square mile.
The population of Clark County has grown 0.4% since 2010 (34,670 → 34,801), a +0.03% annualized rate.
The median household income in Clark County, Wisconsin is $66,250, with mean (average) household income of $86,275 and per-capita income of $31,744. 7.4% of residents live below the federal poverty level.
In Clark County, the largest racial and ethnic groups are White (92.4%), Hispanic or Latino (0.9%), Black or African American (0.8%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Clark County, Wisconsin is 37.0 years. Residents are 48.9% female and 51.1% male.
The median home value in Clark County is $163,800 and median monthly rent is $786. 77.9% of occupied housing units are owner-occupied. The county has 14,842 total housing units, 14.5% of which are vacant.
The largest employment sector in Clark County, Wisconsin is manufacturing, employing 23.3% of workers. The unemployment rate is 2.1%.
Milwaukee is among the largest cities associated with Clark County, Wisconsin, with a population of 569,756.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.