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Washington County, Rhode Island

Washington County profile, demographic data, and geographic information.

Washington County is a county located in Rhode Island, United States of America. As of official census estimates, it has a reported population of 129,795. The land area covers 329.28 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 129,795 — 2025 / Census
Median Age 45.5 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 52,549 ±710 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 66,385 ±65
Occupied Housing Units 52,549 ±710
Vacant Housing Units 13,836 ±705
Median Home Value $510,800 ±$16,509
Median Gross Rent $1,327 ±$86
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $106,638 ±$2,789
Per Capita Income $56,069 ±$1,428
Poverty Rate 8.2% ±0.9%
Population Below Poverty Level 10,152 ±1,125
Unemployment Rate 4.4% ±0.5%
Civilian Labor Force, Employed 66,285 ±1,389
Broadband Internet Rate 94.4% ±0.8%
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 KINGSTON 1 W, RI US, located 6.9 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 37.4° 19.3° 28.3° 4.17" —
February 39.1° 20.7° 29.9° 3.85" —
March 46.2° 27.2° 36.7° 5.69" —
April 56.4° 35.7° 46.0° 4.50" —
May 65.9° 45.1° 55.5° 3.58" —
June 74.6° 54.3° 64.5° 3.99" —
July 80.3° 60.4° 70.3° 3.31" —
August 79.1° 59.0° 69.0° 4.08" —
September 72.7° 51.7° 62.2° 4.30" —
October 62.4° 41.1° 51.7° 4.49" —
November 52.0° 32.1° 42.0° 4.38" —
December 42.9° 25.0° 33.9° 5.23" —
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: 44009. • 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.