What is the population of Allen?

The population of Allen, SD is 88.

Where is Allen located?

Allen, SD is located at latitude 43.2808300 and longitude -101.9243200. It is in United States.

What is the area of Allen?

The area of Allen, SD is 8.402453 km².

What is the elevation of Allen?

Allen, SD has an elevation of 1001 meters (3284 feet) above sea level.

What time zone is Allen in?

Allen, SD is in the America/Denver time zone.

What state is Allen in?

Allen is in the state of South Dakota, United States.

What county is Allen, SD in?

Allen is in Bennett County, South Dakota.

How has the population of Allen changed?

The population of Allen, SD has increased from 83 (2010) to 88 (2020), a change of 6%.

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Allen, South Dakota

Allen: census-designated place in Bennett County, South Dakota

About

Allen is a CDP located in the county of Bennett in the U.S. state of South Dakota. Its population at the 2010 census was 83 and a population density of 10 people per km². After 10 years in 2020 city had an estimated population of 88 inhabitants.

Quick Facts about Allen

Population	88 (2020)
Country	United States of America
State	South Dakota (United States)
County	Bennett County
Postal code	57714
Phone Area Codes	605
Area	8.4 km²
Latitude & Longitude	43.2808,-101.9243
Altitude	10,850 feet / 3307 meters
Time Zone	Mountain Time Zone
Local time	14:01:21 (13th May 2026)
Density	10 Pop. per km² as of 2020
Population growth	5.68% (2010-2020)
Weather	44℉ Mostly Clear 7-days weather

Geography

Allen is located at 43°16'51"N 101°55'28"W (43.2808300, -101.9243200).

Allen map

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Weather

44°F

Mostly Clear

8 to 12 mph S Overnight

Mostly clear, with a low around 44. South wind 8 to 12 mph, with gusts as high as 18 mph.

7-Day Forecast

Demographics

The population of Allen increased by 5.68% in 10 years.

Year	Population	% Change	Method
2010	83	-	census
2011	84	1.19%	estimation process
2012	87	3.45%	estimation process
2013	88	1.14%	estimation process
2014	87	-1.15%	estimation process
2015	87	0%	estimation process
2016	88	1.14%	estimation process
2017	89	1.12%	estimation process
2018	88	-1.14%	estimation process
2019	88	0%	estimation process
2020	88	0%	estimation process

Allen zip code is 57714. County name: Bennett, County fips: 46007

Аллен

Nearby Schools and Colleges

Schools and campuses linked to Allen, SD. Select a name to open its map and contact details.

Code	Name	City	ZIP
219277	Oglala Lakota College	Kyle (SD)	57752-0490

Nearby Post Offices

Closest post offices linked to Allen.

Post Office Name	City	ZIP
Allen Post Office	Allen (SD)	57714

Other places with the same name (8)

Allen, Texas The fifth most populous city in Collin County, Texas. with a population of 109,379 people.
Allen, Pennsylvania township in Northampton County, Pennsylvania, United States of America with a population of 5,092 people.
Allen, Oklahoma town in Oklahoma, USA with a population of 930 people.
Allen, Indiana unincorporated community in Indiana, United States with a population of 666 people.
Allen, Illinois township in LaSalle County, Illinois with a population of 536 people.
Allen, Nebraska city in Dixon County, Nebraska, United States of America with a population of 346 people.
Allen, Michigan village in Hillsdale County in the U. with a population of 192 people.
Allen, Kansas human settlement in Lyon County, Kansas, United States of America with a population of 169 people.

Other cities in Bennett County

Cities, towns, neighborhoods & other populated places in Bennett County , SD.

City Name	Population	Title
Batesland	113	Town in South Dakota, United States of America
Blackpipe	59	Unincorporated community in South Dakota
Martin	2	City in and county seat of Bennett County, South Dakota, United States