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Green County, Wisconsin

Green County profile, demographic data, and geographic information.

Green County is a county located in Wisconsin, United States of America. As of official census estimates, it has a reported population of 37,227. The land area covers 584.04 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Green County
Official Title: Clerk
Address: N2659 RICHLAND RD, MONROE WI 53566-9434

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 37,227 — 2025 / Census
Median Age 43.6 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 15,775 ±180 2020-2024 / Census ACS 5-Year 2024
Source: U.S. Census Bureau (PEP, ACS 5-Year).

Housing & Real Estate Profile

Housing Metric Estimate / Value Margin of Error
Total Housing Units 16,480 ±53
Occupied Housing Units 15,775 ±180
Vacant Housing Units 705 ±179
Median Home Value $250,200 ±$7,955
Median Gross Rent $867 ±$29
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $82,852 ±$2,865
Per Capita Income $43,951 ±$1,108
Poverty Rate 7.7% ±1.2%
Population Below Poverty Level 2,818 ±451
Unemployment Rate 3.6% ±0.9%
Civilian Labor Force, Employed 19,450 ±366
Broadband Internet Rate 87.8% ±1.4%
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Climate & Weather Observations

NOAA Monthly Climate Normals

Observation Station: Climate data reflects NOAA 1991–2020 standard normals recorded at MONROE WWTP, WI US, located 6.1 miles from Green County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 26.7° 10.9° 18.8° 1.55" 11.8"
February 31.0° 14.4° 22.7° 1.69" 10.5"
March 43.5° 25.2° 34.3° 2.12" 4.7"
April 57.1° 36.8° 47.0° 3.82" 1.4"
May 69.6° 48.5° 59.0° 4.07" 0.3"
June 79.4° 59.2° 69.3° 6.18" 0.0"
July 82.5° 62.6° 72.6° 4.15" 0.0"
August 80.1° 60.6° 70.4° 4.46" 0.0"
September 72.7° 52.0° 62.3° 4.15" 0.0"
October 59.3° 40.2° 49.7° 3.24" 0.4"
November 44.7° 28.5° 36.6° 2.39" 1.8"
December 31.7° 17.7° 24.7° 1.91" 10.6"
Source: NOAA U.S. Climate Normals (1991–2020).

Local Weather Forecast

Weather forecast data is currently unavailable in the local cache.

Sources & Data Provenance

  1. Geographic Classification & Identifiers: U.S. Census Bureau Gazetteer (2026) and TIGER/Line Shapefiles. GEOID: 55045. • Official Source Dataset →
  2. Socioeconomic & Housing Metrics: U.S. Census Bureau American Community Survey (ACS) 5-year estimates and Population Estimates Program (PEP). Margin of Error (MOE) intervals are reported where published; suppressed values are never estimated or replaced with false zeros.
  3. Civic Directory Datasets: Centers for Medicare & Medicaid Services (CMS Hospital Directory), National Center for Education Statistics (NCES IPEDS Postsecondary Directory), and Institute of Museum and Library Services (IMLS Public Libraries Survey). Airport landing facilities are provided by airport-data.com.
  4. Weather & Climate Observations: National Oceanic and Atmospheric Administration (NOAA) U.S. Climate Normals 1991–2020 and National Weather Service (NWS) point forecasts.