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Washington County, Oklahoma

Washington County profile, demographic data, and geographic information.

Washington County is a county located in Oklahoma, United States of America. As of official census estimates, it has a reported population of 54,037. The land area covers 415.52 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Washington County
Official Title: Chairman
Address: 400 S JOHNSTONE AVE, STE 201, BARTLESVILLE OK 74003-6637

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 54,037 — 2025 / Census
Median Age 39.2 yrs ±0.4 2020-2024 / Census ACS 5-Year 2024
Total Households 20,957 ±233 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 23,741 ±57
Occupied Housing Units 20,957 ±233
Vacant Housing Units 2,784 ±225
Median Home Value $173,200 ±$7,852
Median Gross Rent $907 ±$36
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $60,162 ±$2,298
Per Capita Income $35,209 ±$1,401
Poverty Rate 16.1% ±1.7%
Population Below Poverty Level 8,347 ±867
Unemployment Rate 4.4% ±0.9%
Civilian Labor Force, Employed 23,004 ±622
Broadband Internet Rate 86.9% ±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 BARTLESVILLE 3, OK US, located 7.1 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 47.5° 21.5° 34.5° 2.00" —
February 52.7° 25.7° 39.2° 1.88" —
March 61.6° 34.2° 47.9° 2.94" —
April 71.3° 43.7° 57.5° 4.02" —
May 78.7° 54.4° 66.5° 4.86" —
June 87.6° 64.2° 75.9° 5.31" —
July 92.7° 68.4° 80.6° 3.70" —
August 92.2° 65.9° 79.0° 3.33" —
September 84.8° 57.4° 71.1° 3.48" —
October 73.6° 45.2° 59.4° 3.45" —
November 61.1° 33.1° 47.1° 2.52" —
December 49.3° 25.1° 37.2° 2.22" —
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: 40147. • 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.