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Mariposa County, California

Mariposa County profile, demographic data, and geographic information.

Mariposa County is a county located in California, United States of America. As of official census estimates, it has a reported population of 16,918. The land area covers 1,448.84 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Mariposa County
Official Title: County Administrative Officer
Address: PO BOX 784, MARIPOSA CA 95338

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 16,918 — 2025 / Census
Median Age 51.2 yrs ±0.8 2020-2024 / Census ACS 5-Year 2024
Total Households 7,508 ±301 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 9,836 ±42
Occupied Housing Units 7,508 ±301
Vacant Housing Units 2,328 ±307
Median Home Value $387,900 ±$21,367
Median Gross Rent $1,305 ±$164
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $68,412 ±$6,365
Per Capita Income $41,417 ±$2,730
Poverty Rate 14% ±3%
Population Below Poverty Level 2,371 ±514
Unemployment Rate 6% ±2%
Civilian Labor Force, Employed 7,630 ±464
Broadband Internet Rate 87.9% ±2.8%
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 YOSEMITE VILLAGE 12 W, CA US, located 13.7 miles from Mariposa County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 43.7° 31.9° 37.8° 6.86" —
February 41.8° 30.5° 36.2° 5.63" —
March 44.7° 31.9° 38.3° 5.81" —
April 48.7° 35.6° 42.2° 3.68" —
May 57.7° 42.8° 50.2° 2.40" —
June 67.0° 52.0° 59.5° 0.76" —
July 74.8° 60.1° 67.5° 0.29" —
August 74.9° 59.1° 67.0° 0.05" —
September 70.4° 54.0° 62.2° 0.66" —
October 60.4° 45.7° 53.0° 2.28" —
November 49.4° 37.1° 43.2° 4.37" —
December 42.7° 32.1° 37.4° 7.65" —
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: 06043. • 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.