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The Allen CDP⁽¹⁾ had a population of 783 as of 2020-2024 American Community Survey 5-Year Estimates.

The primary coordinate point for Allen is located at latitude 43.2808 and longitude -101.9243 in Bennett County. The formal boundaries for the Allen Census Designated Place encompass a land area of 3.24 sq. miles and a water area of 0 sq. miles. Bennett County is in the Mountain time zone (GMT -7).

The Allen Census Designated Place has a U1 Census Class Code which indicates a census designated place with an official federally recognized name. It also has a Functional Status Code of "S" which identifies a statistical entity.

The Allen Census Designated Place is located within Unorganized Territory of West Bennett, a minor civil division (MCD) of Bennett County.

A Census Designated Place (CDP) is a statistical counterpart to a self-governing (incorporated) place such as a city, town, or village. A CDP is not a legal entity and has no governmental functions.

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Allen Demographic Data
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Allen, SD Data & Demographics

Source: 2020-2024 American Community Survey 5-Year Estimates

POPULATION
Total Population	783 (100%)
Population Density	241 per sq mi
Diversity Index¹	16


INCOME
Median Household Income	$0
Per Capita Income	$7,116
Median Home Value	$0

HOUSING
Total HU (Housing Units)	122 (100%)
Owner Occupied HU	12 (9.8%)
Renter Occupied HU	96 (78.7%)
Vacant Housing Units	14 (11.5%)

HOUSEHOLDS
Total Households	108
Average Household Size	7.25
Family Households	98 (90.7%)

NOTES

The Diversity Index estimates the likelihood that two persons chosen at random from the same area belong to different race or ethnic groups, based on five groups: Hispanic/Latino, Non-Hispanic White, Non-Hispanic Black, Non-Hispanic Asian, and Non-Hispanic Other/Multiracial. A value of 0 indicates the population belongs entirely to one group. Higher values indicate a more evenly mixed population. Calculated from U.S. Census Bureau ACS 5-year estimates (table B03002).

Allen, SD - Peer Comparisons by Rank and Percentile

The table below compares Allen to the other 485 incorporated cities, towns and CDPs in South Dakota by rank and percentile using 2020-2024 American Community Survey 5-Year Estimates data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description	Rank	Percentile
Total Population	# 102	79th
Population Density	# 280	43rd
Median Household Income	# 485	1st
Per Capita Income	# 469	3rd
Diversity Index	# 219	55th

Additional comparisons and rankings can be made with a VERY EASY TO USE South Dakota Census Data Comparison Tool.

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Allen, SD Profile: Facts & Data

Allen, South Dakota - Basic Facts

Allen, SD Data & Demographics

POPULATION

INCOME

HOUSING

HOUSEHOLDS

Allen, SD - Peer Comparisons by Rank and Percentile

Allen, SD - Most Popular Things to Do

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