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Clay County, Florida

Clay County profile, demographic data, and geographic information.

Clay County is a county located in Florida, United States of America. As of official census estimates, it has a reported population of 239,593. The land area covers 604.60 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Clay County
Official Title: Chairman
Address: PO BOX 1366, GREEN COVE SPRINGS FL 32043-1366

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 239,593 — 2025 / Census
Median Age 40.4 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 83,707 ±641 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 88,969 ±71
Occupied Housing Units 83,707 ±641
Vacant Housing Units 5,262 ±656
Median Home Value $312,500 ±$7,375
Median Gross Rent $1,551 ±$62
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $87,820 ±$2,783
Per Capita Income $39,563 ±$924
Poverty Rate 9.2% ±1.2%
Population Below Poverty Level 20,760 ±2,790
Unemployment Rate 3.8% ±0.6%
Civilian Labor Force, Employed 108,338 ±1,816
Broadband Internet Rate 94.6% ±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 STARKE, FL US, located 15.3 miles from Clay County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 68.3° 45.3° 56.8° 3.96" —
February 71.1° 47.4° 59.2° 3.02" —
March 76.3° 52.1° 64.2° 3.14" —
April 81.9° 58.0° 69.9° 2.60" —
May 87.4° 65.6° 76.5° 3.70" —
June 91.8° 72.5° 82.1° 8.17" —
July 92.4° 74.2° 83.3° 7.13" —
August 92.0° 73.7° 82.9° 6.42" —
September 89.1° 71.3° 80.2° 5.90" —
October 83.0° 62.4° 72.7° 4.34" —
November 76.3° 52.7° 64.5° 2.27" —
December 70.9° 47.1° 59.0° 2.70" —
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: 12019. • 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.