Skip to main content

Napa County, California

Napa County profile, demographic data, and geographic information.

Napa County is a county located in California, United States of America. As of official census estimates, it has a reported population of 132,949. The land area covers 751.98 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Napa County
Official Title: Chair
Address: 1195 THIRD ST, STE 310, NAPA CA 94559-3035

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 132,949 — 2025 / Census
Median Age 42.9 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 49,763 ±2,617 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 55,817 ±2,430
Occupied Housing Units 49,763 ±2,617
Vacant Housing Units 6,054 ±550
Median Home Value $869,500 ±$15,451
Median Gross Rent $2,237 ±$56
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $111,471 ±$4,025
Per Capita Income $61,040 ±$3,428
Poverty Rate 8.5% ±1%
Population Below Poverty Level 11,184 ±1,416
Unemployment Rate 5.2% ±0.6%
Civilian Labor Force, Employed 67,348 ±2,101
Broadband Internet Rate 93.5% ±6.1%
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 ANGWIN PACIFIC UNION COLLEGE, CA US, located 7.7 miles from Napa County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 53.7° 39.3° 46.5° 7.80" —
February 55.9° 39.7° 47.8° 7.59" —
March 60.3° 40.9° 50.6° 5.50" —
April 65.9° 42.3° 54.1° 2.37" —
May 72.7° 46.7° 59.7° 1.56" —
June 80.0° 51.3° 65.7° 0.36" —
July 84.6° 54.1° 69.4° 0.01" —
August 84.3° 53.9° 69.1° 0.04" —
September 81.3° 53.4° 67.4° 0.17" —
October 72.4° 49.7° 61.1° 1.92" —
November 59.8° 42.8° 51.3° 4.09" —
December 52.7° 38.8° 45.8° 8.30" —
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: 06055. • 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.