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Washington County, Minnesota

Washington County profile, demographic data, and geographic information.

Washington County is a county located in Minnesota, United States of America. As of official census estimates, it has a reported population of 286,895. The land area covers 384.76 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Washington County
Official Title: Management Analyst Ii
Address: 14949 62ND ST N, STILLWATER MN 55082-6102

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 286,895 — 2025 / Census
Median Age 39.8 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 105,577 ±567 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 109,307 ±100
Occupied Housing Units 105,577 ±567
Vacant Housing Units 3,730 ±556
Median Home Value $422,000 ±$5,583
Median Gross Rent $1,710 ±$45
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $115,345 ±$2,183
Per Capita Income $56,954 ±$1,151
Poverty Rate 5.1% ±0.6%
Population Below Poverty Level 13,989 ±1,650
Unemployment Rate 3.4% ±0.5%
Civilian Labor Force, Employed 143,862 ±1,583
Broadband Internet Rate 94.9% ±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 STILLWATER 2SW, MN US, located 2.0 miles from Washington County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 22.3° 5.0° 13.6° 0.85" —
February 27.7° 7.8° 17.8° 0.92" —
March 40.7° 20.0° 30.3° 1.62" —
April 55.1° 33.9° 44.5° 2.97" —
May 67.2° 46.9° 57.1° 4.17" —
June 75.8° 57.5° 66.6° 4.79" —
July 79.3° 62.3° 70.8° 4.38" —
August 77.7° 60.4° 69.1° 4.41" —
September 70.7° 51.2° 60.9° 3.32" —
October 57.7° 38.0° 47.8° 2.74" —
November 41.4° 25.1° 33.3° 1.82" —
December 27.5° 12.5° 20.0° 1.21" —
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: 27163. • 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.