ZipCodesToGo
South Dakota ZIP Codes
Union County
Elk Point, SD
57025
57025 ZIP Code — Elk Point, SD
Union County, South Dakota
ZIP code 57025 is located in
Elk Point ,
South Dakota ,
within Union County .
It covers approximately 124.01 square miles and serves a population of
3,063 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57025
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $208,400. Owner-occupancy is high at 79%, well above the national average.
Median household income is $85,985.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.
Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.
57025 ZIP code map
View map of 57025
Cities in ZIP code 57025
Below are the cities the US Postal Service accepts for ZIP code 57025. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,063
Population density
25 / sq mi
State FIPS
46
County FIPS
127
Geography
Land area
124.01 sq mi
Water area
2.23 sq mi
Latitude
42.7441
Longitude
-96.6658
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.0%
33.6%
41.7%
$50k – $100k
27.2%
29.9%
33.8%
$100k – $200k
23.7%
26.8%
20.1%
Over $200k
10.2%
9.7%
4.4%
Demographics & statistics
$85,985
Median household income
$208,400
Median home value
29.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 825 26.9%
18 and over 2,238 73.1%
65 and over 408 13.3%
Median age 36.7 years
Race & ethnicity
Black or African American
0.5%
American Indian / Alaska Native
0.2%
Group Count %
White 2,930 92.7%
Two or more races 108 3.4%
Hispanic or Latino 98 3.1%
Black or African American 15 0.5%
American Indian / Alaska Native 6 0.2%
Asian 4 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
39.0%
33.6%
41.7%
$50k – $100k
27.2%
29.9%
33.8%
$100k – $200k
23.7%
26.8%
20.1%
Over $200k
10.2%
9.7%
4.4%
Range % of households
Under $10k 6.0%
$10k–$15k 2.5%
$15k–$25k 11.9%
$25k–$35k 3.1%
$35k–$50k 8.2%
$50k–$75k 13.1%
$75k–$100k 11.9%
$100k–$150k 27.8%
$150k–$200k 4.3%
$200k+ 11.1%
Median income $85,985
Housing
Housing overview
Metric Value
Median home value $208,400
Median rent / month $767
Owner occupied 79.1%
Renter occupied 20.9%
Vacant 6.9%
Single-family detached 84.0%
Large apartment buildings 2.0%
Mobile homes 4.0%
Median rooms 6.6
Avg household size (owned) 2.84
Year built
Era %
2020 or later 0.9%
2010–2019 2.7%
2000–2009 14.3%
1990–1999 18.3%
1980–1989 7.5%
1970–1979 15.8%
1960–1969 3.1%
1950–1959 4.4%
1940–1949 3.7%
1939 or earlier 29.2%
Bedrooms
Size % of units
No bedroom (studio) 1.2%
1 bedroom 2.8%
2 bedrooms 20.4%
3 bedrooms 38.7%
4 bedrooms 26.9%
5+ bedrooms 10.0%
Vehicles per household
Vehicles % of households
No vehicle 6.1%
1 vehicle 19.4%
2 vehicles 29.1%
3 or more 45.3%
Heating fuel
Fuel type %
Utility gas 50.3%
Electricity 27.9%
Propane / LP gas 20.5%
Wood 0.9%
No fuel used 0.4%
Households & families
Household type Count %
Married-couple family 708 61.0%
Cohabiting couple 58 5.0%
Male householder, no spouse 169 14.6%
Female householder, no spouse 225 19.4%
Households with children under 18 417 35.9%
Households with seniors (65+) 281 24.2%
Average household size 2.58
Marital status
Status Male Female
Never married 28.3% 23.9%
Married 62.3% 56.3%
Separated 1.6% 1.1%
Widowed 0.3% 8.1%
Divorced 7.5% 10.7%
Education
Some college, no degree
22.5%
Graduate / professional
8.7%
Metric %
HS diploma or higher 92.5%
Bachelor's or higher 29.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 49 7.2%
Kindergarten 18 2.7%
Elementary school 309 45.6%
High school 237 35.0%
College / grad school 64 9.5%
Employment
Industry of employment
Education & healthcare
25.3%
Agriculture & mining
9.3%
Professional & management
8.4%
Transportation & utilities
7.5%
Public administration
5.8%
Arts, food & hospitality
2.7%
Finance & real estate
2.6%
Occupation
Category %
Management, business & arts 32.0%
Service 17.0%
Sales & office 22.5%
Natural resources & construction 14.7%
Production & transportation 13.8%
Employment type
Type %
Private sector 79.7%
Government 14.4%
Self-employed 5.9%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 86.6%
Carpool 6.5%
Public transit 0.0%
Walk 0.8%
Work from home 5.8%
Other means 0.3%
Avg commute (minutes) 23.1
Poverty
Married-couple families
1.3%
Female-led households
32.9%
Income support
Source % of households
Social Security 24.1%
Retirement income 18.4%
Supplemental Security 4.4%
Cash public assistance 1.6%
Food stamps / SNAP 1.6%
Health indicators
Condition %
Obesity 37.7%
High blood pressure 30.1%
High cholesterol 31.8%
Diabetes 8.6%
Heart disease 6.5%
Stroke 2.9%
Asthma 8.6%
Arthritis 24.7%
Kidney disease 2.8%
Pulmonary disease 5.6%
Cancer 7.4%
Behavior / access %
Smoking 16.8%
Binge drinking 20.8%
No physical activity 21.8%
Less than 7 hrs sleep 28.5%
Depression 15.6%
Fair or poor health 10.6%
Poor mental health 10.4%
Poor physical health 8.3%
No health insurance 11.1%
Visited doctor (checkup) 75.4%
Visited dentist 69.9%
Cholesterol screening 89.7%
Teeth loss 12.9%
Veterans & disability
Veterans Count %
Civilian veterans 189 8.6%
Disability %
Any disability 11.1%
Under 18 5.3%
18–64 years 7.7%
65 and over 39.8%
Health insurance coverage
Type %
Private insurance 80.9%
Public insurance 21.0%
No insurance 6.3%
Uninsured under 19 8.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,778 90.7%
Spanish 5 0.2%
Other Indo-European 0 0.0%
Asian & Pacific Islander 5 0.2%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 3,059 99.9%
Born in same state 3,044 99.4%
Born in different state 1,009 32.9%
Foreign born 15 0.5%
Naturalized citizen 4 0.1%
Not a US citizen 4 100.0%
Ancestry
Ancestry Count %
Polish 325 10.6%
Italian 299 9.8%
French 248 8.1%
Arab 172 5.6%
Ancestry Count %
English 98 3.2%
Dutch 78 2.5%
German 12 0.4%
Technology access
Metric % of households
Computer access 37.9%
Internet access 88.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57025
What city is ZIP code 57025 in?
ZIP code 57025 is primarily assigned to Elk Point, South Dakota.
What county is ZIP code 57025 in?
ZIP code 57025 falls within Union County, South Dakota.
What is the population of ZIP code 57025?
ZIP code 57025 has an estimated population of 3,063 residents, with a density of 25 people per square mile.
What is the typical home value in ZIP code 57025?
The median home value in ZIP code 57025 is $208,400.
What is the median household income in ZIP code 57025?
The median household income in ZIP code 57025 is $85,985, above the national median of ~$75,000.
What timezone is ZIP code 57025 in?
ZIP code 57025 observes the CST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →