Green County, Wisconsin Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 40th-largest in Wisconsin
The population of Green County, Wisconsin is 37,036 as of the 2023 American Community Survey, making it the 40th-largest county in Wisconsin. The median household income is $80,248, the median home value is $236,900, and the median age is 43.1.
The population of Green County has grown 0.9% since 2010 (36,858 → 37,183), a +0.06% annualized rate.
37,036
Population
+0.06%
Annual growth
63
People / sq mi
$80,248
Median Income
$236,900
Median Home Value
Green County covers 584 sq mi of land at 63.4 people per square mile.
About Green County, WI
Green County is a county in Wisconsin with a population of 37,036. It ranks #40 among counties in Wisconsin by population. The median age is 43.1, older than the national median. The population is 50.5% male and 49.5% female.
The median household income in Green County is $80,248, above the US median of $74,580. 3.1% of residents live below the federal poverty level. Home values sit at a median of $236,900, with monthly rent averaging $851. The homeownership rate of 75.1% is higher than the national rate of 64.8%.
Educational attainment in Green County reflects 27.0% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 10.2% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 24.9 minutes each way.
Green County Population History (2010-2024)
The county of Green County had a population of 36,858 in 2010 and 37,183 in 2024, a 0.9% growth over 14 years. The peak was 37,183 in 2024. Average annual growth rate: 0.06%.
37,183
Population (2024)
36,858
Population (2010)
37,183
Peak (2024)
0.06%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 36,858 |
| 2011 | 36,853 |
| 2012 | 36,760 |
| 2013 | 36,933 |
| 2014 | 36,856 |
| 2015 | 36,928 |
| 2016 | 36,782 |
| 2017 | 36,843 |
| 2018 | 36,867 |
| 2019 | 36,853 |
| 2020 | 37,033 |
| 2021 | 37,069 |
| 2022 | 36,864 |
| 2023 | 36,934 |
| 2024 | 37,183 |
Race & Ethnicity
| White | 94.1% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.5% |
| Two or More Races | 0.0% |
Age & Sex
43.1
Median Age
49.5%
Female
50.5%
Male
19.9%
Age 65+
Age Distribution
Children (under 15): 17.6% · Seniors (65+): 19.9%
Income & Poverty
| Median household income | $80,248+$4,578 vs state |
| Mean household income | $96,605 |
| Per-capita income | $42,505 |
| Poverty rate | 3.1%-3.5% vs state |
| Unemployment rate | 2.4% |
| Employment-to-population | 65.3% |
Top Industries by Employment
The largest employment sector in Green County is professional & business services, accounting for 20.3% of workers.
How residents commute
0.0%
Drive alone
2.2%
Carpool
80.6%
Public transit
10.2%
Work from home
24.9 min
Avg commute
Housing
$236,900$-10,500 vs state
Median home value
$851
Median rent
75.1%
Homeownership rate
16,382
Total housing units
95.3%
Occupied
4.7%
Vacant
24.9%
Renter-occupied
Social & access
95.8%
With health insurance
91.7%
With broadband internet
22.1%
Foreign-born
6.7%
Veterans (18+)
12.0%
With a disability
96.3%
Speak language other than English at home
Education
93.9%
High School+
27.0%
Bachelor's+
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County rankings
Frequently Asked Questions
Green County, Wisconsin has a population of 37,036 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 40th-largest county in Wisconsin. Population density is 63 people per square mile.
The population of Green County has grown 0.9% since 2010 (36,858 → 37,183), a +0.06% annualized rate.
The median household income in Green County, Wisconsin is $80,248, with mean (average) household income of $96,605 and per-capita income of $42,505. 3.1% of residents live below the federal poverty level.
In Green County, the largest racial and ethnic groups are White (94.1%), Black or African American (0.7%), Hispanic or Latino (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Green County, Wisconsin is 43.1 years. Residents are 49.5% female and 50.5% male.
The median home value in Green County is $236,900 and median monthly rent is $851. 75.1% of occupied housing units are owner-occupied. The county has 16,382 total housing units, 4.7% of which are vacant.
The largest employment sector in Green County, Wisconsin is professional, scientific, and management services, employing 20.3% of workers. The unemployment rate is 2.4%.
Milwaukee is among the largest cities associated with Green County, Wisconsin, with a population of 569,756.
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Population, race, income, age, and trends across Wisconsin
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.