Skip to main content

Fond du Lac County, Wisconsin

Fond du Lac County profile, demographic data, and geographic information.

Fond du Lac County is a county located in Wisconsin, United States of America. As of official census estimates, it has a reported population of 104,669. The land area covers 719.57 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Fond Du Lac County
Official Title: County Executive
Address: 160 S MACY ST, FOND DU LAC WI 54935-4241

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 104,669 — 2025 / Census
Median Age 41.9 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 43,243 ±463 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 46,094 ±72
Occupied Housing Units 43,243 ±463
Vacant Housing Units 2,851 ±458
Median Home Value $222,800 ±$5,121
Median Gross Rent $960 ±$28
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $74,275 ±$2,612
Per Capita Income $39,105 ±$967
Poverty Rate 9.2% ±1%
Population Below Poverty Level 9,313 ±990
Unemployment Rate 3.2% ±0.7%
Civilian Labor Force, Employed 52,884 ±893
Broadband Internet Rate 90.7% ±1.1%
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 FOND DU LAC CO AP, WI US, located 1.1 miles from Fond du Lac 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° 11.1° 18.9° 0.73" —
February 30.3° 13.8° 22.0° 0.69" —
March 42.1° 24.3° 33.2° 1.72" —
April 55.7° 35.1° 45.4° 2.79" —
May 68.2° 46.6° 57.4° 3.31" —
June 78.1° 56.8° 67.4° 4.14" —
July 81.9° 60.8° 71.3° 3.40" —
August 79.5° 59.2° 69.4° 3.45" —
September 72.6° 51.2° 61.9° 2.86" —
October 59.3° 39.8° 49.5° 2.54" —
November 44.7° 28.7° 36.7° 1.84" —
December 32.4° 17.9° 25.1° 0.92" —
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: 55039. • 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.