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Lafayette County, Wisconsin

Lafayette County profile, demographic data, and geographic information.

Lafayette County is a county located in Wisconsin, United States of America. As of official census estimates, it has a reported population of 17,478. The land area covers 633.59 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Lafayette County
Official Title: Chairman
Address: 11165 BURKE RD, DARLINGTON WI 53530-9738

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 17,478 — 2025 / Census
Median Age 40.8 yrs ±0.5 2020-2024 / Census ACS 5-Year 2024
Total Households 6,763 ±83 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 7,234 ±42
Occupied Housing Units 6,763 ±83
Vacant Housing Units 471 ±83
Median Home Value $194,500 ±$8,765
Median Gross Rent $830 ±$28
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $76,462 ±$2,610
Per Capita Income $37,123 ±$1,107
Poverty Rate 11.9% ±1.7%
Population Below Poverty Level 2,002 ±285
Unemployment Rate 2.9% ±0.8%
Civilian Labor Force, Employed 8,357 ±157
Broadband Internet Rate 82.2% ±1.6%
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 DARLINGTON WWTP, WI US, located 1.8 miles from Lafayette County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 27.3° 8.4° 17.8° 1.31" 11.3"
February 31.8° 11.5° 21.6° 1.43" 9.2"
March 44.3° 22.9° 33.6° 2.02" 4.6"
April 57.7° 34.7° 46.2° 3.89" 1.0"
May 69.4° 46.1° 57.8° 4.18" 0.6"
June 78.9° 56.7° 67.8° 5.29" 0.0"
July 82.2° 59.7° 71.0° 4.22" 0.0"
August 80.5° 57.5° 69.0° 4.36" 0.0"
September 73.8° 48.4° 61.1° 4.10" 0.0"
October 60.9° 37.2° 49.0° 2.80" 0.6"
November 45.5° 25.8° 35.7° 2.35" 2.2"
December 32.6° 15.0° 23.8° 1.69" 6.2"
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: 55065. • 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.