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Solano County, California

Solano County profile, demographic data, and geographic information.

Solano County is a county located in California, United States of America. As of official census estimates, it has a reported population of 455,376. The land area covers 821.74 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Solano County
Official Title: County Administrator
Address: 675 TEXAS ST, STE 6500, FAIRFIELD CA 94533-6342

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 455,376 — 2025 / Census
Median Age 39.2 yrs ±0.2 2020-2024 / Census ACS 5-Year 2024
Total Households 157,512 ±751 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 164,693 ±105
Occupied Housing Units 157,512 ±751
Vacant Housing Units 7,181 ±746
Median Home Value $617,700 ±$4,898
Median Gross Rent $2,163 ±$31
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $100,401 ±$2,108
Per Capita Income $45,127 ±$720
Poverty Rate 10% ±0.6%
Population Below Poverty Level 44,182 ±2,546
Unemployment Rate 6.5% ±0.5%
Civilian Labor Force, Employed 206,478 ±2,290
Broadband Internet Rate 93.8% ±0.4%
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 FAIRFIELD, CA US, located 7.0 miles from Solano County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 56.6° 40.4° 48.5° 4.68" 0.0"
February 61.6° 42.9° 52.2° 4.97" 0.0"
March 66.4° 45.4° 55.9° 3.31" 0.0"
April 71.3° 47.9° 59.6° 1.47" 0.0"
May 77.8° 52.2° 65.0° 0.74" 0.0"
June 85.4° 56.1° 70.8° 0.19" 0.0"
July 89.6° 57.9° 73.8° 0.00" 0.0"
August 89.2° 58.0° 73.6° 0.03" 0.0"
September 86.9° 56.6° 71.7° 0.08" 0.0"
October 78.2° 52.3° 65.2° 1.11" 0.0"
November 65.6° 45.2° 55.4° 2.55" 0.0"
December 56.7° 40.1° 48.4° 5.40" 0.0"
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: 06095. • 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.