County · Wisconsin

Green County, Wisconsin

Green County, Wisconsin. Green County had 37,227 residents in 2025 by the Census Bureau's estimate, up 0.4% since 2020, slower than Wisconsin (+1.3%). It holds 25 places (8 cities, villages and boroughs, 16 towns and townships and 1 census-designated) and 8 census tracts. GEOID 55045.

Green County is one of the 4 counties of the Madison, WI metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

37,227

Census Bureau estimate (no margin published)
2020 Census count: 37,093 · ACS 2020-2024: 37,017

Median household income

$82,852

±$2,865 (90% margin)
Wisconsin: $77,485

Median home value

$250,200

±$7,955 (90% margin)
Wisconsin: $266,500

Median gross rent

$867

±$29 (90% margin)
Wisconsin: $1,087

How many people live in Green County, and is it growing?

The 2020 Census counted 37,093 residents in Green County. The Census Bureau estimates 37,227 for July 1, 2025, up 0.4% since 2020, slower than Wisconsin (+1.3%). The 2020-2024 American Community Survey puts the population at 37,017 over 584 square miles of land.

July 2020→2021 +48 (37,087)
2021→2022 −199 (36,888)
2022→2023 +114 (37,002)
2023→2024 +235 (37,237)
2024→2025 −10 (37,227)

Green County in Wisconsin. Boundaries: Census Bureau 2024.

Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
Measure	Green County	Wisconsin	Change since 2015-2019
Total population	37,017	5,914,872	+121
Households	15,775±180	2,479,480	+728
Average household size	2.32±0.03	2.33	−0.10
Housing units	16,480±53	2,778,572	+456

Green County's population since 2000

From 33,647 in 2000 to 37,227 in 2025: up 10.6%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

2000 Census 33,647
2005 (estimate) 35,174
2010 Census 36,842
2015 (estimate) 36,928
2020 Census 37,093
2025 (estimate) 37,227

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Green County?

Green County holds 25 places: 8 cities, villages and boroughs (incorporated places), 16 towns and townships (county subdivisions with their own government) and 1 census-designated place. The largest is Monroe with 10,581 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Green County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.

Monroe	city	10,661	10,587±42	$69,334	$195,300	8.9%	100%
Brodhead	city	3,274	3,197±38	$49,583	$168,800	14.9%	97%
New Glarus	village	2,266	2,172±248	$101,098	$282,700	3.6%	100%
Exeter (town)	town	2,156	2,312±245	$114,688	$403,200	3.2%	100%
Decatur (town)	town	1,685	1,839±259	$101,167	$300,000	5.0%	100%
New Glarus (town)	town	1,393	1,456±183	$137,500	$494,300	0.7%	100%
Monroe (town), Green County	town	1,291	1,462±232	$106,563	$307,100	1.8%	100%
Monticello	village	1,192	1,189±167	$75,833	$213,600	8.2%	100%
Albany (town), Green County	town	1,189	1,055±164	$114,531	$334,500	6.3%	100%
Jefferson (town), Green County	town	1,170	1,085±160	$70,368	$231,300	14.5%	100%
Clarno (town)	town	1,133	1,147±250	$84,375	$311,300	12.3%	100%
Brooklyn (town), Green County	town	1,108	1,223±172	$102,917	$460,200	3.6%	100%
Albany	village	1,096	1,063±232	$72,649	$173,200	11.8%	100%
Sylvester (town)	town	1,001	1,009±141	$111,375	$347,700	2.5%	100%
York (town), Green County	town	969	1,020±153	$113,438	$418,100	10.3%	100%
Spring Grove (town)	town	919	883±149	$91,023	$260,500	8.4%	100%
Washington (town), Green County	town	842	881±155	$95,625	$292,300	12.1%	100%
Cadiz (town)	town	747	653±89	$81,719	$217,700	7.8%	100%
Mount Pleasant (town)	town	619	468±74	$81,563	$296,600	3.0%	100%
Jordan (town)	town	602	539±121	$78,750	$278,300	3.9%	100%
Belleville	village	2,491	2,579±296	$88,304	$308,500	4.0%	23%
Adams (town), Green County	town	540	566±128	$118,250	$339,300	3.6%	100%
Brooklyn	village	1,524	1,408±179	$108,929	$268,900	5.8%	33%
Juda	CDP	340	390±114	$64,135	$159,800	30.0%	100%
Browntown	village	245	249±51	$73,542	$105,800	14.5%	100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Green County?

The median resident of Green County is 43.6 years old; 21.5% are under 18 and 20.6% are 65 or older. The largest group is non-Hispanic white residents at 92.0%, then Hispanic or Latino residents (of any race) at 4.2%. 2.0% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
Measure	Green County	Wisconsin	Change since 2015-2019
Median age	43.6±0.3	40.2	no clear change
Under 18 years	21.5%±0.1 pts	21.4%	–
65 years and over	20.6%±0.1 pts	18.5%	–
Hispanic or Latino (any race)	4.2%	8.0%	+1.1 pts
White alone, not Hispanic	92.0%±0.3 pts	78.6%	−2.3 pts
Black or African American alone, not Hispanic	0.8%±0.2 pts	5.9%	no clear change
Asian alone, not Hispanic	0.6%±0.2 pts	2.9%	no clear change
American Indian and Alaska Native alone, not Hispanic	0.1%±0.1 pts	0.5%	–
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0.0%±0.1 pts	0.0%	–
Two or more races, not Hispanic	2.1%±0.3 pts	3.7%	–
Some other race alone, not Hispanic	0.2%±0.2 pts	0.3%	–
Born outside the United States	2.0%±0.3 pts	5.2%	no clear change
Speak a language other than English at home (age 5+)	3.8%±0.6 pts	9.0%	–
Civilian veterans (age 18+)	6.4%±0.6 pts	6.2%	–
With a disability	11.9%±0.9 pts	12.3%	–
No health insurance coverage	3.8%±0.8 pts	5.2%	no clear change
High school graduate or higher (age 25+)	93.9%±0.7 pts	93.6%	–
Bachelor's degree or higher (age 25+)	27.7%±1.8 pts	33.4%	+4.1 pts
Graduate or professional degree (age 25+)	8.6%±1.0 pts	11.4%	–
Moved from another state in the past year	1.6%±0.6 pts	2.0%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Green County earn?

Half of Green County's 15,775 households earn less than $82,852 a year (±$2,865), against $77,485 in Wisconsin. In 2015-2019 it was $79,382 in 2024 dollars; the margins of error cannot tell the two periods apart. 7.7% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
Measure	Green County	Wisconsin	Change since 2015-2019
Median household income	$82,852±$2,865	$77,485	no clear change
Mean household income	$99,251±$2,615	$101,466	–
Per capita income	$43,951±$1,108	$43,373	+$2,773
People below the poverty line	7.7%±1.2 pts	10.6%	no clear change
Children under 18 below the poverty line	9.3%±3.2 pts	12.8%	no clear change
Households receiving SNAP	8.2%±1.3 pts	11.1%	–
Households with a broadband subscription	87.8%±1.5 pts	90.3%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Green County?

Owners occupy 75.9% of Green County's occupied homes and renters 24.1%. The median owner-occupied home is valued at $250,200 by its owner (±$7,955). The median renter pays $867 a month including utilities, and 27.2% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
Measure	Green County	Wisconsin	Change since 2015-2019
Median home value (owner-occupied)	$250,200±$7,955	$266,500	+$39,259
Median gross rent	$867±$29	$1,087	−$61
Renters paying 35% or more of income on rent	27.2%±4.9 pts	35.0%	no clear change
Median monthly owner costs, with a mortgage	$1,690±$50	$1,689	–
Owner-occupied homes	75.9%±2.0 pts	67.8%	no clear change
Housing units	16,480±53	2,778,572	+456
Homeowner vacancy rate	0.3%±0.2 pts	0.5%	–
Rental vacancy rate	4.7%±3.0 pts	4.5%	–
Single-family detached homes	77.0%±1.6 pts	66.2%	–
Mobile homes	3.5%±0.8 pts	3.1%	–
Built 2020 or later	1.5%±0.5 pts	1.4%	–
Built 1939 or earlier	26.3%±1.7 pts	17.8%	–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Green County building?

Builders took permits for 82 new housing units across Green County in 2025 (82 single-family), 2.2 per 1,000 residents.

2019 77 units
2020 119 units
2021 75 units
2022 74 units
2023 60 units
2024 81 units
2025 82 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Green County get to work?

79.0% of Green County's workers drive alone and 11.9% work from home. The average trip to work takes 24.6 minutes. The unemployment rate in 2020-2024 averaged 3.6%.

Work and commuting, ACS 2020-2024 5-year estimates
Measure	Green County	Wisconsin	Change since 2015-2019
In the labor force (age 16+)	66.9%±1.2 pts	65.3%	–
Unemployment rate	3.6%±0.9 pts	3.2%	+1.6 pts
Drove alone to work	79.0%±1.8 pts	74.4%	–
Carpooled	6.2%±1.1 pts	7.3%	–
Public transportation	0.0%±0.1 pts	1.1%	–
Walked	2.1%±0.4 pts	2.6%	–
Worked from home	11.9%±1.4 pts	13.1%	+6.3 pts
Mean travel time to work	24.6 min±1.2	22.2 min	no clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Green County's census tracts?

Green County is divided into 8 census tracts. Among those with a reliable estimate, median household income runs from $60,385 (Tract 9608) to $106,207 (Tract 9602).

Census tracts of Green County, ACS 2020-2024 5-year estimates; sort by any column

Tract 960155045960100	Monticello (14%)	6,670	6,599±280	$99,691	$336,000	$894	4.7%
Tract 960255045960200	New Glarus (25%)	5,953	5,960±279	$106,207	$342,800	$1,011	4.9%
Tract 960355045960300	Albany (15%)	4,878	5,083±292	$97,938	$287,900	$916	6.2%
Tract 960455045960400	Monroe (85%)	4,359	4,341±388	$61,676	$229,600	$930	11.0%
Tract 960555045960500	Monroe (93%)	3,843	3,950±354	$74,435	$185,300	$809	7.9%
Tract 960655045960600	Monroe (89%)	3,262	3,409±323	$73,120	$212,900	$795	6.6%
Tract 960755045960700	Browntown (5%)	3,828	3,532±197	$77,368	$239,600	$975	11.9%
Tract 960855045960800	Brodhead (78%)	4,300	4,143±167	$60,385	$191,600	$689	12.1%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Green County compare with Wisconsin's other counties?

Green County's rank among Wisconsin's counties with a reliable estimate (1 = highest)
Measure	Rank
Population	40th of 72
Growth 2020-2025	51st of 72
Residents per square mile	30th of 72
Median household income	11th of 72
Median home value	23rd of 72
Median gross rent	40th of 72
Poverty rate	62nd of 72
Bachelor's degree or higher	27th of 72
Median age	38th of 72

Every county in Wisconsin

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Green County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.