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Lafayette Parish, Louisiana

Lafayette Parish profile, demographic data, and geographic information.

Lafayette Parish is a county located in Louisiana, United States of America. As of official census estimates, it has a reported population of 257,949. The land area covers 268.83 sq mi. [1]

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 257,949 — 2025 / Census
Median Age 36.5 yrs ±0.3 2020-2024 / Census ACS 5-Year 2024
Total Households 100,903 ±947 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 112,184 ±69
Occupied Housing Units 100,903 ±947
Vacant Housing Units 11,281 ±942
Median Home Value $242,900 ±$4,823
Median Gross Rent $1,057 ±$25
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $67,451 ±$2,676
Per Capita Income $40,361 ±$1,155
Poverty Rate 17.1% ±1.3%
Population Below Poverty Level 41,850 ±3,185
Unemployment Rate 5.1% ±0.7%
Civilian Labor Force, Employed 120,162 ±2,118
Broadband Internet Rate 91.3% ±1%
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 LAFAYETTE, LA US, located 0.9 miles from Lafayette Parish. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 61.5° 41.2° 51.4° 6.09" 0.0"
February 65.7° 44.7° 55.2° 4.45" 0.0"
March 71.9° 51.1° 61.5° 3.76" 0.0"
April 78.4° 57.1° 67.8° 5.50" 0.0"
May 85.0° 65.1° 75.0° 4.87" 0.0"
June 90.0° 71.5° 80.8° 7.02" 0.0"
July 91.0° 73.1° 82.0° 6.32" 0.0"
August 91.6° 72.9° 82.2° 6.54" 0.0"
September 87.8° 68.5° 78.1° 5.21" 0.0"
October 80.7° 58.5° 69.6° 5.00" 0.0"
November 70.8° 48.5° 59.7° 4.75" 0.0"
December 63.8° 43.0° 53.4° 5.23" 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: 22055. • 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.