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Washington County, Maryland

Washington County profile, demographic data, and geographic information.

Washington County is a county located in Maryland, United States of America. As of official census estimates, it has a reported population of 157,731. The land area covers 457.79 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Washington County
Official Title: President
Address: 100 W WASHINGTON ST, HAGERSTOWN MD 21740-4727

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 157,731 — 2025 / Census
Median Age 40.7 yrs ±0.4 2020-2024 / Census ACS 5-Year 2024
Total Households 59,818 ±617 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 64,145 ±181
Occupied Housing Units 59,818 ±617
Vacant Housing Units 4,327 ±582
Median Home Value $296,100 ±$6,187
Median Gross Rent $1,147 ±$27
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $77,747 ±$1,758
Per Capita Income $39,035 ±$1,253
Poverty Rate 12.4% ±1.1%
Population Below Poverty Level 18,423 ±1,594
Unemployment Rate 4.2% ±0.7%
Civilian Labor Force, Employed 71,392 ±1,378
Broadband Internet Rate 88.5% ±1.2%
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 HAGERSTOWN 1 E, MD US, located 6.7 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 39.8° 22.3° 31.1° 3.23" —
February 43.5° 24.7° 34.1° 2.66" —
March 52.9° 31.7° 42.3° 3.90" —
April 65.0° 41.2° 53.1° 3.87" —
May 74.1° 53.0° 63.6° 4.31" —
June 82.6° 61.6° 72.1° 3.43" —
July 86.2° 66.4° 76.3° 3.66" —
August 85.1° 64.9° 75.0° 3.66" —
September 78.2° 56.1° 67.1° 4.80" —
October 66.1° 44.7° 55.4° 3.42" —
November 53.8° 34.3° 44.1° 2.92" —
December 44.0° 27.3° 35.7° 3.69" —
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: 24043. • 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.