County Maps US

Allen Parish, Louisiana

A parish in Louisiana, ranked 38 of 64 by population.

ParishFIPS 22003

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

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Population
22,672
+1 (0%) since 2020
Land area
762.1
square miles. A further 0.5% of the total area is water
Population density
29.7
people per square mile, computed rather than published
County seat
Oberlin
Seat of county government.
Established
1912
113 years ago
Largest city
Oakdale city
Population 6,526.

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 Allen 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 Allen 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 794 by 800 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 Allen 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
Population22,67238th of 641,695th of 3,144
Land area762.1 sq mi23rd of 641,145th of 3,144
Population density29.7 per sq mi45th of 641,934th of 3,144
Median household income$46,46946th of 642,916th of 3,143

Full data for Allen Parish

Every figure below is attributed to the Census Bureau product it came from, with the vintage of that product.
MeasureValueSource and vintage
Population22,672Vintage 2025 Population Estimates
Population in 202022,671Vintage 2025 Population Estimates
2020 estimates base?22,734Vintage 2025 Population Estimates
Land area762.1 sq mi2025 Gazetteer Files
Water area4.0 sq mi2025 Gazetteer Files
Total area766.1 sq mi2025 Gazetteer Files
Population density?29.7 per sq miComputed: Vintage 2025 estimates divided by 2025 Gazetteer land area
Median household income$46,469American Community Survey 2020-2024 5-Year Estimates
Median home value$104,500American Community Survey 2020-2024 5-Year Estimates
Median age37.4American Community Survey 2020-2024 5-Year Estimates
Households7,854American Community Survey 2020-2024 5-Year Estimates
Housing units9,587American 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
-19
250 births, 269 deaths
Net migration
-41
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 5 areas bordering Allen 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
Beauregard ParishLouisiana40 mi36,673
Evangeline ParishLouisiana34 mi31,980
Jefferson Davis ParishLouisiana34 mi31,471
Rapides ParishLouisiana14 mi125,877
Vernon ParishLouisiana10 mi45,091

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.