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Fairfield County, South Carolina

Fairfield County profile, demographic data, and geographic information.

Fairfield County is a county located in South Carolina, United States of America. As of official census estimates, it has a reported population of 20,340. The land area covers 686.31 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Fairfield County
Official Title: Comptroller
Address: PO BOX 60, WINNSBORO SC 29180-0060

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 20,340 — 2025 / Census
Median Age 47.4 yrs ±0.5 2020-2024 / Census ACS 5-Year 2024
Total Households 8,930 ±330 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 11,003 ±20
Occupied Housing Units 8,930 ±330
Vacant Housing Units 2,073 ±329
Median Home Value $151,200 ±$19,395
Median Gross Rent $938 ±$61
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $47,885 ±$4,289
Per Capita Income $31,810 ±$2,174
Poverty Rate 15.6% ±2.8%
Population Below Poverty Level 3,168 ±557
Unemployment Rate 5.5% ±1.6%
Civilian Labor Force, Employed 9,130 ±478
Broadband Internet Rate 81.8% ±2.6%
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 WINNSBORO, SC US, located 3.1 miles from Fairfield County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 53.1° 30.9° 42.0° 3.99" 0.0"
February 57.1° 33.4° 45.2° 3.59" 0.0"
March 65.0° 39.6° 52.3° 4.03" 0.0"
April 74.0° 48.2° 61.1° 3.10" 0.0"
May 81.1° 56.9° 69.0° 3.07" 0.0"
June 87.6° 65.2° 76.4° 4.05" 0.0"
July 91.1° 68.9° 80.0° 4.10" 0.0"
August 88.8° 67.9° 78.3° 4.69" 0.0"
September 83.3° 61.8° 72.5° 3.88" 0.0"
October 73.6° 50.0° 61.8° 3.29" 0.0"
November 63.4° 38.9° 51.2° 3.19" 0.0"
December 55.4° 33.5° 44.5° 4.14" 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: 45039. • 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.