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St. James Parish, Louisiana

St. James Parish profile, demographic data, and geographic information.

St. James Parish is a county located in Louisiana, United States of America. As of official census estimates, it has a reported population of 18,938. The land area covers 237.86 sq mi. [1]

Local Government Administration U.S. Census Bureau GMAF

Parish Of St James County
Official Title: Director Of Operations
Address: PO BOX 106, CONVENT LA 70723-0106

Demographics & Population

Demographic Metric Estimate / Count Margin of Error Survey Period / Source
Total Population (2025 PEP Estimate) 18,938 — 2025 / Census
Median Age 40.8 yrs ±0.7 2020-2024 / Census ACS 5-Year 2024
Total Households 7,543 ±201 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 8,678 ±28
Occupied Housing Units 7,543 ±201
Vacant Housing Units 1,135 ±199
Median Home Value $211,800 ±$17,347
Median Gross Rent $903 ±$386
Source: U.S. Census Bureau ACS 5-Year (2020-2024).

Economy & Workforce

Economic Metric Estimate / Value Margin of Error
Median Household Income $65,531 ±$4,784
Per Capita Income $37,140 ±$2,506
Poverty Rate 11.1% ±3%
Population Below Poverty Level 2,148 ±578
Unemployment Rate 4.1% ±1.7%
Civilian Labor Force, Employed 8,618 ±402
Broadband Internet Rate 87.9% ±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 RESERVE, LA US, located 13.0 miles from St. James Parish. Local microclimates, topography, and elevation may cause municipal conditions to differ.
Month High (°F) Low (°F) Mean (°F) Precip (in) Snow (in)
January 62.3° 42.9° 52.6° 5.89" 0.0"
February 66.7° 46.6° 56.7° 4.44" 0.0"
March 72.4° 52.1° 62.2° 4.90" 0.0"
April 78.8° 58.3° 68.5° 5.54" 0.0"
May 84.9° 66.2° 75.5° 5.85" 0.0"
June 89.3° 72.6° 80.9° 8.62" 0.0"
July 91.6° 74.7° 83.2° 7.08" 0.0"
August 91.6° 74.7° 83.2° 5.74" 0.0"
September 88.3° 71.0° 79.7° 5.75" 0.0"
October 81.1° 60.8° 71.0° 4.14" 0.0"
November 71.2° 50.6° 60.9° 4.28" 0.0"
December 64.7° 45.5° 55.1° 4.98" 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: 22093. • 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.