Demographics of Clark County, Wisconsin

Clark County, Wisconsin had 35,052 people on July 1, 2025, by the Census Bureau’s estimate: +412 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Clark County, in four figures

35,052
Population: July 1, 2025, Vintage 2025 estimate.; +1.2%
Change since July 2020: +412 people.; 36.7 ±0.3
Median age: ACS 2020–⁠2024.; $67,400 ±$1,810
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Clark County, Wisconsin's population grew 1.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Clark County, Wisconsin's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Clark County, Wisconsin's population grew 1.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Clark County, Wisconsin's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	34,640	100.0	100.0
2021	34,746	100.3	100.2
2022	34,772	100.4	100.7
2023	34,880	100.7	101.6
2024	34,975	101.0	102.5
2025	35,052	101.2	103.1

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Population of Clark County, Wisconsin on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	34,640	+10	+75	0	−65
2021	34,746	+106	+189	+7	−104
2022	34,772	+26	+159	+108	−232
2023	34,880	+108	+226	+75	−186
2024	34,975	+95	+254	+96	−252
2025	35,052	+77	+222	+40	−186

Age, 2020–2024

The median age is 36.7 ±0.3: for men 36.6 ±0.4 and for women 36.8 ±0.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Clark County by age, ACS 2020–2024
Age	People	Share	Wisconsin	United States
Under 5	2,839 ±25	8.2% ±0.1	5.3% ±<0.1	5.6% ±<0.1
5 to 17	7,466 ±200	21.5% ±0.6	16.0% ±0.1	16.3% ±<0.1
18 to 24	2,865 ±122	8.2% ±0.3	9.3% ±0.1	9.1% ±<0.1
25 to 44	7,204 ±140	20.7% ±0.4	25.2% ±0.1	26.9% ±<0.1
45 to 64	8,381 ±179	24.1% ±0.5	25.6% ±0.1	24.8% ±<0.1
65 and over	5,984 ±220	17.2% ±0.6	18.5% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $67,400 ±$1,810, and income per person $32,627 ±$818, in 2024 dollars. The median is $77,485 ±$455 in Wisconsin and $80,734 ±$166 in the United States.

Households by income

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Households in Clark County by income, ACS 2020–2024
Household income	Households	Share	Wisconsin	United States
Under $25,000	1,778 ±156	13.8% ±1.2	13.1% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,649 ±202	20.6% ±1.6	17.9% ±0.2	16.7% ±<0.1
$50,000 to $74,999	2,694 ±179	21.0% ±1.4	17.5% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,814 ±142	14.1% ±1.1	13.8% ±0.2	12.6% ±<0.1
$100,000 to $149,999	2,209 ±144	17.2% ±1.1	19.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	969 ±105	7.5% ±0.8	9.4% ±0.1	9.6% ±<0.1
$200,000 or more	726 ±83	5.7% ±0.6	9.2% ±0.1	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Clark County by age, ACS 2020–2024
Age	Below poverty	Rate	Wisconsin	United States
All ages	4,123 ±474	12.1% ±1.4	10.6% ±0.1	12.5% ±0.1
Under 18	1,619 ±238	16.0% ±2.3	12.8% ±0.3	16.1% ±0.1
18 to 59	1,763 ±186	11.0% ±1.1	10.3% ±0.2	11.6% ±0.1
60 and over	741 ±84	9.2% ±1.0	9.3% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Clark County, ACS 2020–2024
Measure	Clark County	Wisconsin	United States
Housing units	14,961 ±67	2,778,572 ±1,533	143,775,355 ±10,234
Occupied	85.8% ±1.0	89.2% ±0.2	89.9% ±0.1
Vacant	14.2% ±1.0	10.8% ±0.2	10.1% ±0.1
Owner occupied	78.5% ±1.2	67.8% ±0.3	65.2% ±0.3
Renter occupied	21.5% ±1.5	32.2% ±0.2	34.8% ±0.1
Median home value	$172,800 ±$4,651	$266,500 ±$1,051	$332,700 ±$236
Median gross rent	$823 ±$28	$1,087 ±$4	$1,413 ±$2
Median year built	1972 ±1	1975 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Clark County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Wisconsin	United States
Hispanic or Latino	2,232 ±0	6.4% ±<0.1	8.0% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	31,436 ±67	90.5% ±0.2	78.6% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	102 ±37	0.3% ±0.1	5.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	136 ±43	0.4% ±0.1	2.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	43 ±16	0.1% ±<0.1	0.5% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 8	0% to < 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	23 to 125	0.1% to 0.4%	0.3% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	713 ±57	2.1% ±0.2	3.7% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Clark County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Wisconsin	United States
Born in the state	27,030 ±349	77.8% ±1.0	70.3% ±0.1	57.3% ±<0.1
Born in another state	6,417 ±388	18.5% ±1.1	23.6% ±0.1	26.9% ±<0.1
Born a citizen outside the states	168 ±70	0.5% ±0.2	0.9% ±<0.1	1.7% ±<0.1
Born abroad	1,124 ±135	3.2% ±0.4	5.2% ±0.1	14.1% ±<0.1
Naturalized citizens	202 ±52	0.6% ±0.1	2.5% ±0.1	7.4% ±<0.1
Not citizens	922 ±124	2.7% ±0.4	2.7% ±0.1	6.8% ±<0.1

Clark County among the counties of Wisconsin

41st of 72 by population, July 2025. Every one is listed on the Wisconsin page.

Counties of Wisconsin near Clark County in population, July 2025
County	July 2025	Change since 2020
Marinette County	42,574	+1.6%
Shawano County	41,560	+1.7%
Oconto County	40,195	+2.9%
Oneida County	38,131	+0.7%
Green County	37,227	+0.5%
Clark County	35,052	+1.2%
Vernon County	31,443	+2.4%
Trempealeau County	31,171	+1.1%
Door County	30,616	+1.6%
Lincoln County	28,403	−0.1%
Juneau County	26,649	−0.5%

Elsewhere on the site

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Data retrieved September 25, 2026