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Jefferson Davis Parish, Louisiana

Jefferson Davis Parish profile, demographic data, and geographic information.

Jefferson Davis Parish is a county located in Louisiana, United States of America. As of official census estimates, it has a reported population of 31,471. The land area covers 651.52 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

Parish Of Jefferson Davis County
Official Title: Secretary Treasurer
Address: 304 N STATE ST, JENNINGS LA 70546-5328

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 31,471 — 2025 / Census
Median Age 38.1 yrs ±1.2 2020-2024 / Census ACS 5-Year 2024
Total Households 12,068 ±370 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 14,229 ±42
Occupied Housing Units 12,068 ±370
Vacant Housing Units 2,161 ±376
Median Home Value $150,800 ±$10,318
Median Gross Rent $848 ±$57
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $57,341 ±$8,418
Per Capita Income $30,949 ±$3,095
Poverty Rate 14.6% ±2.6%
Population Below Poverty Level 4,559 ±801
Unemployment Rate 4.7% ±1.2%
Civilian Labor Force, Employed 12,977 ±699
Broadband Internet Rate 81.1% ±2.7%
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 JENNINGS, LA US, located 10.3 miles from Jefferson Davis Parish. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 60.1° 41.6° 50.9° 6.29" 0.0"
February 63.9° 45.1° 54.5° 4.25" 0.0"
March 70.7° 51.5° 61.1° 3.77" 0.0"
April 77.1° 57.8° 67.5° 4.79" 0.0"
May 83.7° 65.9° 74.8° 5.52" 0.0"
June 88.5° 72.0° 80.3° 6.61" 0.0"
July 90.2° 73.7° 81.9° 5.36" 0.0"
August 91.0° 73.2° 82.1° 6.80" 0.0"
September 87.7° 69.0° 78.3° 5.80" 0.0"
October 80.4° 58.7° 69.5° 4.73" 0.0"
November 70.2° 49.2° 59.7° 4.85" 0.0"
December 62.5° 43.6° 53.1° 4.74" 0.1"
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: 22053. • 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.