Skip to main content

Benton County, Washington

Benton County profile, demographic data, and geographic information.

Benton County is a county located in Washington, United States of America. As of official census estimates, it has a reported population of 221,722. The land area covers 1,700.13 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Benton County
Official Title: Finance Manager
Address: PO BOX 190, PROSSER WA 99350-0190

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 221,722 — 2025 / Census
Median Age 36.3 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 78,046 ±560 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 83,101 ±67
Occupied Housing Units 78,046 ±560
Vacant Housing Units 5,055 ±545
Median Home Value $407,800 ±$7,426
Median Gross Rent $1,306 ±$35
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $89,874 ±$2,080
Per Capita Income $42,435 ±$913
Poverty Rate 11% ±1.1%
Population Below Poverty Level 23,158 ±2,286
Unemployment Rate 5.3% ±0.6%
Civilian Labor Force, Employed 95,443 ±1,354
Broadband Internet Rate 92.2% ±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 PROSSER, WA US, located 11.7 miles from Benton County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 40.1° 26.8° 33.5° 1.24" —
February 46.7° 28.6° 37.6° 0.90" —
March 55.9° 34.9° 45.4° 0.69" —
April 64.6° 39.9° 52.2° 0.74" —
May 74.1° 47.9° 61.0° 0.88" —
June 80.9° 53.6° 67.2° 0.68" —
July 90.4° 59.5° 75.0° 0.21" —
August 89.2° 57.7° 73.4° 0.16" —
September 79.7° 50.1° 64.9° 0.27" —
October 64.7° 40.8° 52.8° 0.77" —
November 49.3° 31.7° 40.5° 0.86" —
December 39.5° 26.3° 32.9° 1.33" —
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: 53005. • 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.