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
The poverty rate is what most separates Green County from the typical county: 3.1% of residents live below the federal poverty line, against 12.4% nationally. Green County is a county in Wisconsin with a population of 37,036. It ranks #40 among counties in Wisconsin by population.
Households take in a median $80,248, comfortably near the US median of $78,538. Very few residents live in poverty — 3.1%, below the national 12.4%. The median home value is $236,900, with typical rent around $851.
About 27.0% of adults 25 and older have a bachelor’s degree, below the 35.0% national figure. Remote work is on the higher side at 10.2%, below the national 14.0%, and the average commute runs about 25 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+
Largest cities in Wisconsin
Other counties in Wisconsin
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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.