What is the population of Allen Parish?

The population of Allen Parish, LA is 25,440.

Where is Allen Parish located?

Allen Parish, LA is located at latitude 30.6528700 and longitude -92.8278800. It is in United States.

What is the area of Allen Parish?

The area of Allen Parish, LA is 1983 km².

What is the elevation of Allen Parish?

Allen Parish, LA has an elevation of 20 meters (66 feet) above sea level.

What time zone is Allen Parish in?

Allen Parish, LA is in the America/Chicago time zone.

How has the population of Allen Parish changed?

The population of Allen Parish, LA has decreased from 25,764 (2010) to 25,440 (2020), a change of -1.3%.

Allen Parish, Louisiana

Allen Parish: parish in Louisiana, United States

About

Allen Parish is a county located in the U.S. state of Louisiana. As of the 2010 census, the population was 25,764 and a population density of 13 people per km². After 10 years in 2020 county had an estimated population of 25,440 inhabitants. Its county seat is Oberlin. The county was created 113 years ago in 1912.

Allen Parish locator map — Location of Allen Parish on Louisiana map.

County Snapshot

Allen Parish at a glance

Allen Parish currently has 6 quality-checked populated place pages linked on MapSof, making it easier to jump from the county overview into local city pages.

Browse county places

Mapped populated places

These counts use a stricter populated-place filter so the main lists stay focused on real city and town pages.

Louisiana counties

Open related pages

Largest city

Oakdale

Population 7,500

Quick Facts about Allen Parish

Population	25,440 (2020)
Country	United States of America
State	Louisiana (United States)
Different from	Allegan County, Alleghany County, Allegany County, Allegany County, Allegheny County
Area	1983 km²
Water as percent of area	0.5%
Land as percent of area	99.5%
Latitude & Longitude	30.6529,-92.8279
Named for	Henry Watkins Allen
Altitude	69 feet / 21 meters
Capital	Oberlin
Establishment	June 12, 1912
Time Zone	America/Chicago
Local time	15:26:46 (22nd April 2026)
Density	13 Pop. per km² as of 2020
Population growth	-1.27% (2010-2020)
Weather	82℉ Partly Sunny then Slight Chance Showers And Thunderstorms 7-days weather

Courthouse of Allen Parish Louisiana image

Geography

Allen Parish is located at 30°39'10"N 92°49'40"W (30.6528700, -92.8278800). It has 5 neighbors: Beauregard Parish, Evangeline Parish, Jefferson Davis Parish, Rapides Parish and Vernon Parish.

Allen Parish map

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Allen Parish Populated Places

Cities, towns, neighborhoods & other populated places in Allen Parish.

City Name	Population	Title
Oakdale	7,500	Small city in Allen Parish, Louisiana, United States
Kinder	2,324	City in Louisiana, United States of America
Oberlin	1,702	Town in Louisiana, United States
Elizabeth	532	Town in Louisiana, USA
Reeves	243	Village in Allen Parish
Stanley	116	Village in DeSoto Parish, Louisiana, United States

Weather

82°F

Partly Sunny then Slight Chance Showers And Thunderstorms

0 to 5 mph SE Wednesday

A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Chance of precipitation is 20%.

7-Day Forecast

Official website of Allen Parish

Official Website

Allen Parish has 5 neighbours.

Beauregard Parish parish in Louisiana, United States
Evangeline Parish parish in Louisiana, United States
Jefferson Davis Parish parish in Louisiana, United States
Rapides Parish parish in Louisiana, United States
Vernon Parish parish in Louisiana, United States

Demographics

According to census records, the population of Allen Parish decreased by 1.27% in 10 years.

Year	Population	% Change	Method
2010	25,764	-	census
2011	25,740	-0.09%	estimation process
2012	25,622	-0.46%	estimation process
2013	25,664	0.16%	estimation process
2014	25,714	0.19%	estimation process
2015	25,631	-0.32%	estimation process
2016	25,680	0.19%	estimation process
2017	25,583	-0.38%	estimation process
2018	25,567	-0.06%	estimation process
2019	25,627	0.23%	estimation process
2020	25,440	-0.74%	estimation process

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Louisiana Other Counties (more counties)

County Name	Population	Title
East Baton Rouge Parish	439,729	Parish in Louisiana, United States
Jefferson Parish	432,346	Parish in Louisiana, United States
Orleans Parish	389,476	New Orleans consolidated city-parish in Louisiana, United States
New Orleans	389,476	The most populous city in Louisiana and the center of the New Orleans metropolitan area.
Saint Tammany Parish	263,446	Parish in Louisiana, United States of America
Lafayette Parish	246,518	Parish in Louisiana, United States
Caddo Parish	237,479	Parish in Louisiana, United States
Baton Rouge	219,052	The capital of Louisiana.
Calcasieu Parish	203,310	Parish in Louisiana, United States
Shreveport	184,786	The second most populous city in Louisiana.
Ouachita Parish	152,439	Parish in Louisiana, United States
Livingston Parish	143,737	Parish in Louisiana, United States
Metairie Terrace	142,489	A census-designated place in Jefferson Parish, Louisiana.
Metairie	138,481	The most populous suburb of New Orleans, Louisiana.
Tangipahoa Parish	136,765	Parish in Louisiana, United States
Ascension Parish	128,665	Parish in Louisiana, United States