County Maps US

St. Landry Parish, Louisiana

A parish in Louisiana, ranked 16 of 64 by population.

ParishFIPS 22097

Within Louisiana
St. Landry Parish, highlighted, with the areas around it. Boundaries generalised from the 2025 Census cartographic boundary file; neighbour fills carry no data. The dot marks Opelousas, the county seat, located via the 2025 Census Gazetteer.

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Population
80,765
-1,541 (-1.9%) since 2020
Land area
923.4
square miles. A further 1.7% of the total area is water
Population density
87.5
people per square mile, computed rather than published
County seat
Opelousas
Seat of county government.
Established
1807
218 years ago
Largest city
Opelousas city
Population 15,098.

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; Wikidata (CC0), Wikidata. Retrieved 30 August 2026.

Satellite view

Aerial imagery of St. Landry Parish with its boundary drawn on top. A map shows you the shape; this shows you what is inside it, and which side of the line a place falls on.

Aerial view of St. Landry Parish, Louisiana from the USGS National Map, with its boundary outlined
Imagery: USGS National Map, USGS Imagery Only, public domain, requested from USGS by your browser when you reach this point on the page, at 800 by 647 pixels. The boundary is the 2025 Census cartographic boundary file, reprojected to Web Mercator to match the imagery. You can also open the USGS National Map viewer.

Where St. Landry Parish ranks

Position among the 64 parishes of Louisiana, and among all 3,144 US counties and county-equivalents. Computed from the figures on this page.

MeasureValueIn LouisianaNationally
Population80,76516th of 64726th of 3,144
Land area923.4 sq mi11th of 64790th of 3,144
Population density87.5 per sq mi21st of 641,012th of 3,144
Median household income$44,46251st of 642,978th of 3,143

Full data for St. Landry Parish

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population80,765Vintage 2025 Population Estimates
Population in 202082,306Vintage 2025 Population Estimates
2020 estimates base?82,546Vintage 2025 Population Estimates
Land area923.4 sq mi2025 Gazetteer Files
Water area15.7 sq mi2025 Gazetteer Files
Total area939.1 sq mi2025 Gazetteer Files
Population density?87.5 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$44,462American Community Survey 2020-2024 5-Year Estimates
Median home value$142,500American Community Survey 2020-2024 5-Year Estimates
Median age37.8American Community Survey 2020-2024 5-Year Estimates
Households32,183American Community Survey 2020-2024 5-Year Estimates
Housing units37,229American Community Survey 2020-2024 5-Year Estimates

Sources: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026; US Census Bureau, Gazetteer Files, 2025 Gazetteer Files, released 10 September 2025; US Census Bureau, American Community Survey, American Community Survey 2020-2024 5-Year Estimates, released 29 January 2026. Population density is computed here, not published: it divides the Vintage 2025 population estimate by the 2025 Gazetteer land area, which are two different Census products. Retrieved 30 August 2026.

How the population changed

The Census Bureau publishes the components behind an estimate, not just the total. For the year to July 2025:

Births minus deaths
+17
1,078 births, 1,061 deaths
Net migration
-301
More people moved out than moved in.

Source: US Census Bureau, Population Estimates Program, Vintage 2025 Population Estimates, released 26 March 2026. Retrieved 30 August 2026.

The 6 areas bordering St. Landry Parish

Ordered by the length of the border actually shared, which the Census Bureau publishes in its county adjacency file and which no other county reference presents.

Bordering areaStateShared borderPopulation
Evangeline ParishLouisiana47 mi31,980
Acadia ParishLouisiana33 mi57,032
St. Martin ParishLouisiana32 mi51,106
Pointe Coupee ParishLouisiana29 mi19,520
Avoyelles ParishLouisiana24 mi37,941
Lafayette ParishLouisiana15 mi257,949

Source: US Census Bureau, County Adjacency File, 2025 County Adjacency File, released 15 September 2025. Retrieved 30 August 2026.

All 64 parishes of Louisiana

Open the interactive Louisiana county map, or jump straight to any of them.

Data on this page last rebuilt 30 August 2026. How these figures are produced.