Adams County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 51st-largest in Wisconsin
The population of Adams County, Wisconsin is 20,928 as of the 2023 American Community Survey, making it the 51st-largest county in Wisconsin. The median household income is $59,153, the median home value is $184,500, and the median age is 55.5.
The population of Adams County has grown 2.3% since 2010 (20,878 → 21,352), a +0.16% annualized rate.
20,928
Population
+0.16%
Annual growth
32
People / sq mi
$59,153
Median Income
$184,500
Median Home Value
Adams County covers 646 sq mi of land at 32.4 people per square mile.
About Adams County, WI
Adams County is a county in Wisconsin with a population of 20,928. It ranks #51 among counties in Wisconsin by population. The median age is 55.5, older than the national median. The population is 54.2% male and 45.8% female.
The median household income in Adams County is $59,153, below the US median of $74,580. 7.6% of residents live below the federal poverty level. Home values sit at a median of $184,500, with monthly rent averaging $789. The homeownership rate of 86.4% is higher than the national rate of 64.8%.
Educational attainment in Adams County reflects 17.3% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 9.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 29.1 minutes each way.
Adams County Population History (2010-2024)
The county of Adams County had a population of 20,878 in 2010 and 21,352 in 2024, a 2.3% growth over 14 years. The peak was 21,528 in 2023. Average annual growth rate: 0.17%.
21,352
Population (2024)
20,878
Population (2010)
21,528
Peak (2023)
0.17%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 20,878 |
| 2011 | 20,767 |
| 2012 | 20,411 |
| 2013 | 20,407 |
| 2014 | 20,120 |
| 2015 | 20,027 |
| 2016 | 19,984 |
| 2017 | 19,905 |
| 2018 | 20,386 |
| 2019 | 20,268 |
| 2020 | 20,682 |
| 2021 | 20,844 |
| 2022 | 21,211 |
| 2023 | 21,528 |
| 2024 | 21,352 |
Race & Ethnicity
| White | 89.8% |
| Black or African American | 2.2% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.7% |
| Two or More Races | 0.0% |
Age & Sex
55.5
Median Age
45.8%
Female
54.2%
Male
31.6%
Age 65+
Age Distribution
Children (under 15): 11.0% · Seniors (65+): 31.6%
Income & Poverty
| Median household income | $59,153$-16,517 vs state |
| Mean household income | $74,613 |
| Per-capita income | $35,145 |
| Poverty rate | 7.6%+1.0% vs state |
| Unemployment rate | 2.5% |
| Employment-to-population | 45.6% |
Top Industries by Employment
The largest employment sector in Adams County is professional & business services, accounting for 16.1% of workers.
How residents commute
0.2%
Drive alone
1.3%
Carpool
79.1%
Public transit
9.3%
Work from home
29.1 min
Avg commute
Housing
$184,500$-62,900 vs state
Median home value
$789
Median rent
86.4%
Homeownership rate
16,873
Total housing units
55.4%
Occupied
44.6%
Vacant
13.6%
Renter-occupied
Social & access
94.8%
With health insurance
89.9%
With broadband internet
29.7%
Foreign-born
10.2%
Veterans (18+)
21.8%
With a disability
96.0%
Speak language other than English at home
Education
89.0%
High School+
17.3%
Bachelor's+
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County rankings
Frequently Asked Questions
Adams County, Wisconsin has a population of 20,928 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 51st-largest county in Wisconsin. Population density is 32 people per square mile.
The population of Adams County has grown 2.3% since 2010 (20,878 → 21,352), a +0.16% annualized rate.
The median household income in Adams County, Wisconsin is $59,153, with mean (average) household income of $74,613 and per-capita income of $35,145. 7.6% of residents live below the federal poverty level.
In Adams County, the largest racial and ethnic groups are White (89.8%), Black or African American (2.2%), Hispanic or Latino (1.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Adams County, Wisconsin is 55.5 years. Residents are 45.8% female and 54.2% male.
The median home value in Adams County is $184,500 and median monthly rent is $789. 86.4% of occupied housing units are owner-occupied. The county has 16,873 total housing units, 44.6% of which are vacant.
The largest employment sector in Adams County, Wisconsin is professional, scientific, and management services, employing 16.1% of workers. The unemployment rate is 2.5%.
Milwaukee is among the largest cities associated with Adams 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.