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Jefferson County, Mississippi

Jefferson County profile, demographic data, and geographic information.

Jefferson County is a county located in Mississippi, United States of America. As of official census estimates, it has a reported population of 6,825. The land area covers 519.93 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

County Of Jefferson County
Official Title: President
Address: PO BOX 145, FAYETTE MS 39069-0145

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 6,825 — 2025 / Census
Median Age 43.1 yrs ±2.4 2020-2024 / Census ACS 5-Year 2024
Total Households 2,494 ±200 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 3,390 ±20
Occupied Housing Units 2,494 ±200
Vacant Housing Units 896 ±198
Median Home Value $81,300 ±$12,846
Median Gross Rent $448 ±$138
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $38,305 ±$5,850
Per Capita Income $22,659 ±$3,033
Poverty Rate 32.5% ±6.6%
Population Below Poverty Level 2,175 ±440
Unemployment Rate 1.8% ±2.3%
Civilian Labor Force, Employed 2,453 ±282
Broadband Internet Rate 89.9% ±5.2%
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 PORT GIBSON 1 NE, MS US, located 17.9 miles from Jefferson County. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 59.5° 35.7° 47.6° 6.10" 0.2"
February 63.7° 38.1° 50.9° 5.06" 0.2"
March 71.0° 45.9° 58.4° 6.01" 0.1"
April 77.9° 52.5° 65.2° 5.45" 0.0"
May 84.9° 61.5° 73.2° 4.47" 0.0"
June 90.5° 69.1° 79.8° 4.05" 0.0"
July 92.9° 71.8° 82.3° 3.94" 0.0"
August 93.4° 70.9° 82.2° 3.56" 0.0"
September 89.1° 65.3° 77.2° 3.75" 0.0"
October 80.1° 53.1° 66.6° 4.11" 0.0"
November 69.1° 42.7° 55.9° 4.44" 0.0"
December 61.5° 38.1° 49.8° 5.32" 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: 28063. • 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.