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Dane County, Wisconsin

Dane County profile, demographic data, and geographic information.

Dane County is a county located in Wisconsin, United States of America. As of official census estimates, it has a reported population of 590,375. The land area covers 1,196.50 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Dane County
Official Title: Director Of Administration
Address: 210 MARTIN LUTHER KING JR BLVD, RM 421, MADISON WI 53703-3345

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 590,375 — 2025 / Census
Median Age 35.7 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 251,529 ±1,049 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 261,061 ±191
Occupied Housing Units 251,529 ±1,049
Vacant Housing Units 9,532 ±1,040
Median Home Value $394,800 ±$3,871
Median Gross Rent $1,398 ±$17
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $89,975 ±$1,284
Per Capita Income $53,181 ±$1,051
Poverty Rate 10.6% ±0.6%
Population Below Poverty Level 59,334 ±3,155
Unemployment Rate 2.4% ±0.3%
Civilian Labor Force, Employed 324,319 ±2,530
Broadband Internet Rate 92.9% ±0.5%
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 UW ARBORETUM - MADISON, WI US, located 1.9 miles from Dane County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 27.7° 11.1° 19.4° 1.67" —
February 31.5° 14.0° 22.8° 1.71" —
March 44.0° 24.7° 34.4° 2.34" —
April 57.4° 35.7° 46.5° 4.22" —
May 69.2° 47.4° 58.3° 4.55" —
June 78.4° 57.1° 67.7° 5.74" —
July 82.2° 61.4° 71.8° 4.70" —
August 80.6° 59.4° 70.0° 4.08" —
September 73.9° 50.7° 62.3° 3.92" —
October 61.1° 39.4° 50.2° 2.99" —
November 46.1° 28.5° 37.3° 2.34" —
December 33.0° 17.8° 25.4° 1.92" —
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: 55025. • 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.