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Calhoun County, South Carolina

Calhoun County profile, demographic data, and geographic information.

Calhoun County is a county located in South Carolina, United States of America. As of official census estimates, it has a reported population of 14,188. The land area covers 381.15 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Calhoun County
Official Title: Chairman
Address: 102 COURTHOUSE DR, STE 108, ST MATTHEWS SC 29135-1479

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 14,188 — 2025 / Census
Median Age 47 yrs ±1.5 2020-2024 / Census ACS 5-Year 2024
Total Households 6,179 ±207 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 7,068 ±17
Occupied Housing Units 6,179 ±207
Vacant Housing Units 889 ±207
Median Home Value $172,100 ±$20,066
Median Gross Rent $1,052 ±$123
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $58,682 ±$6,223
Per Capita Income $34,943 ±$2,722
Poverty Rate 12.9% ±3.4%
Population Below Poverty Level 1,801 ±473
Unemployment Rate 5.8% ±2.2%
Civilian Labor Force, Employed 6,231 ±334
Broadband Internet Rate 81% ±3.2%
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 ORANGEBURG 2, SC US, located 13.9 miles from Calhoun County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 59.6° 36.6° 48.1° 3.96" 0.1"
February 63.2° 39.6° 51.4° 3.86" 0.0"
March 70.2° 45.6° 57.9° 3.89" 0.0"
April 77.8° 52.4° 65.1° 3.29" 0.0"
May 84.8° 60.5° 72.7° 4.04" 0.0"
June 90.4° 68.2° 79.3° 5.47" 0.0"
July 92.9° 71.5° 82.2° 5.80" 0.0"
August 91.7° 71.2° 81.4° 5.29" 0.0"
September 86.9° 65.6° 76.2° 4.49" 0.0"
October 78.6° 54.1° 66.4° 3.52" 0.0"
November 69.0° 43.6° 56.3° 3.09" 0.0"
December 61.7° 38.4° 50.0° 3.78" 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: 45017. • 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.