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South Dakota ZIP Codes
Bennett County
Allen, SD
57714
57714 ZIP Code — Allen, SD
Bennett County, South Dakota
ZIP code 57714 is located in
Allen ,
South Dakota ,
within Bennett County .
It covers approximately 162.08 square miles and serves a population of
1,168 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 605 .
About ZIP code 57714
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $110,300. Renters make up the majority at 78%, typical of denser urban areas.
The dominant occupation class is service, with education and healthcare as the leading industry. The average commute of 10 minutes is near the national average.
Health indicators show elevated rates of smoking (39%) compared to national benchmarks. 33% of residents lack health insurance, above the national average.
Overall, ZIP code 57714 reflects a community defined by economic challenges above the national average, a significant Social Security-dependent population, and elevated reliance on food assistance.
57714 ZIP code map
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Cities in ZIP code 57714
Below are the cities the US Postal Service accepts for ZIP code 57714. Using any city not on this list may result in mail delivery delays.
City
Status
Allen
Preferred
Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
1,168
Population density
7 / sq mi
State FIPS
46
County FIPS
007
Geography
Land area
162.08 sq mi
Water area
0.07 sq mi
Latitude
43.2957
Longitude
-101.9020
Timezone
Mountain (MT)
Area code
605
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
83.2%
58.1%
41.7%
$50k – $100k
7.6%
30.2%
33.8%
$100k – $200k
9.2%
8.4%
20.1%
Over $200k
0.0%
3.3%
4.4%
Demographics & statistics
$0
Median household income
$110,300
Median home value
Age distribution
Age summary
Group Count %
Under 18 572 49.0%
18 and over 596 51.0%
65 and over 89 7.6%
Median age 20.0 years
Race & ethnicity
American Indian / Alaska Native
91%
Group Count %
American Indian / Alaska Native 1,113 91%
Hispanic or Latino 55 4.5%
Other race 55 4.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
83.2%
58.1%
41.7%
$50k – $100k
7.6%
30.2%
33.8%
$100k – $200k
9.2%
8.4%
20.1%
Over $200k
0.0%
3.3%
4.4%
Range % of households
Under $10k 7.9%
$10k–$15k 15.2%
$15k–$25k 16.3%
$25k–$35k 18.0%
$35k–$50k 5.1%
$50k–$75k 27.5%
$75k–$100k 10.1%
Median income $0
Housing
Housing overview
Metric Value
Median home value $110,300
Median rent / month $617
Owner occupied 21.9%
Renter occupied 78.1%
Vacant 9.6%
Single-family detached 93.9%
Large apartment buildings 0.0%
Mobile homes 3.6%
Median rooms 5.6
Avg household size (owned) 4.56
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 5.6%
1990–1999 21.8%
1980–1989 13.7%
1970–1979 44.7%
1960–1969 4.6%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 9.6%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 17.3%
3 bedrooms 44.7%
4 bedrooms 19.3%
5+ bedrooms 18.8%
Vehicles per household
Vehicles % of households
No vehicle 24.2%
1 vehicle 52.2%
2 vehicles 13.5%
3 or more 10.1%
Heating fuel
Fuel type %
Electricity 24.2%
Propane / LP gas 75.8%
Households & families
Household type Count %
Married-couple family 31 17.4%
Cohabiting couple 37 20.8%
Male householder, no spouse 3 1.7%
Female householder, no spouse 107 60.1%
Households with children under 18 92 51.7%
Households with seniors (65+) 73 41.0%
Average household size 6.56
Marital status
Status Male Female
Never married 71.9% 68.4%
Married 15.3% 6.8%
Separated 0.0% 0.0%
Widowed 0.0% 14.3%
Divorced 12.9% 10.5%
Education
Some HS, no diploma
32.2%
Some college, no degree
28.0%
Graduate / professional
0.0%
Metric %
HS diploma or higher 59.9%
Bachelor's or higher 0.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 38 8.6%
Elementary school 294 66.5%
High school 103 23.3%
College / grad school 7 1.6%
Employment
Industry of employment
Education & healthcare
53.3%
Arts, food & hospitality
18.1%
Professional & management
11.1%
Finance & real estate
1.5%
Occupation
Category %
Management, business & arts 11.6%
Service 47.2%
Sales & office 12.6%
Natural resources & construction 5.0%
Production & transportation 23.6%
Employment type
Type %
Private sector 41.2%
Government 57.8%
Self-employed 1.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 88.9%
Carpool 0.0%
Public transit 0.0%
Walk 1.0%
Work from home 0.0%
Other means 10.1%
Avg commute (minutes) 9.9
Poverty
Married-couple families
0.0%
Female-led households
68.9%
Income support
Source % of households
Social Security 41.0%
Retirement income 0.0%
Supplemental Security 29.2%
Cash public assistance 34.8%
Food stamps / SNAP 51.7%
Health indicators
Condition %
Obesity 41.2%
High blood pressure 30.6%
High cholesterol 23.1%
Diabetes 13.0%
Heart disease 6.7%
Stroke 4.4%
Asthma 13.7%
Arthritis 19.8%
Kidney disease 3.5%
Pulmonary disease 8.4%
Cancer 4.1%
Behavior / access %
Smoking 38.8%
Binge drinking 20.6%
No physical activity 32.1%
Less than 7 hrs sleep 33.7%
Depression 18.6%
Fair or poor health 22.5%
Poor mental health 18.1%
Poor physical health 14.2%
No health insurance 18.8%
Visited doctor (checkup) 71.6%
Visited dentist 48.4%
Cholesterol screening 79.5%
Teeth loss 35.6%
Veterans & disability
Veterans Count %
Civilian veterans 16 2.7%
Disability %
Any disability 11.0%
Under 18 5.4%
18–64 years 9.9%
65 and over 53.9%
Health insurance coverage
Type %
Private insurance 2.8%
Public insurance 65.4%
No insurance 32.7%
Uninsured under 19 18.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,082 92.6%
Spanish 27 2.5%
Other Indo-European 2 0.2%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,168 100.0%
Born in same state 1,168 100.0%
Born in different state 1,036 88.7%
Foreign born 0 0.0%
Naturalized citizen 0 0.0%
Not a US citizen 0 0.0%
Ancestry
Technology access
Metric % of households
Computer access 15.2%
Internet access 63.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57714
What city is ZIP code 57714 in?
ZIP code 57714 is primarily assigned to Allen, South Dakota.
What county is ZIP code 57714 in?
ZIP code 57714 falls within Bennett County, South Dakota.
Is ZIP code 57714 family-oriented?
49% of residents in ZIP code 57714 are under 18, reflecting a younger, family-oriented community.
What is the poverty rate in ZIP code 57714?
45% of residents in ZIP code 57714 live below the poverty line, above the national average.
Is ZIP code 57714 mostly rentals?
78% of occupied units in ZIP code 57714 are renter-occupied.
Does ZIP code 57714 have a large retiree population?
41% of households in ZIP code 57714 receive Social Security income, suggesting a significant retiree or disability population.
What timezone is ZIP code 57714 in?
ZIP code 57714 observes the MST timezone.
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