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South Dakota ZIP Codes
Hamlin County
Estelline, SD
57234
57234 ZIP Code — Estelline, SD
Hamlin County, South Dakota
ZIP code 57234 is located in
Estelline ,
South Dakota ,
within Hamlin County .
It covers approximately 102.26 square miles and serves a population of
1,372 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57234
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 $154,100. Owner-occupancy is high at 87%, well above the national average.
Median household income is $75,387.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.
Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.
57234 ZIP code map
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Cities in ZIP code 57234
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,372
Population density
13 / sq mi
State FIPS
46
County FIPS
057
Geography
Land area
102.26 sq mi
Water area
4.74 sq mi
Latitude
44.5939
Longitude
-96.9259
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.2%
30.6%
41.7%
$50k – $100k
48.0%
46.3%
33.8%
$100k – $200k
16.9%
20.9%
20.1%
Over $200k
1.9%
2.3%
4.4%
Demographics & statistics
$75,387
Median household income
$154,100
Median home value
24.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 406 29.6%
18 and over 966 70.4%
65 and over 248 18.1%
Median age 39.6 years
Race & ethnicity
American Indian / Alaska Native
1.4%
Group Count %
White 1,245 88%
Two or more races 95 6.7%
Hispanic or Latino 42 3%
American Indian / Alaska Native 20 1.4%
Asian 8 0.6%
Other race 4 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.2%
30.6%
41.7%
$50k – $100k
48.0%
46.3%
33.8%
$100k – $200k
16.9%
20.9%
20.1%
Over $200k
1.9%
2.3%
4.4%
Range % of households
Under $10k 3.1%
$10k–$15k 2.5%
$15k–$25k 5.7%
$25k–$35k 10.4%
$35k–$50k 9.4%
$50k–$75k 17.6%
$75k–$100k 25.4%
$100k–$150k 13.7%
$150k–$200k 6.8%
$200k+ 5.3%
Median income $75,387
Housing
Housing overview
Metric Value
Median home value $154,100
Median rent / month $705
Owner occupied 86.5%
Renter occupied 13.5%
Vacant 29.0%
Single-family detached 92.8%
Large apartment buildings 0.0%
Mobile homes 1.5%
Median rooms 5.5
Avg household size (owned) 2.57
Year built
Era %
2020 or later 1.0%
2010–2019 12.6%
2000–2009 11.3%
1990–1999 6.7%
1980–1989 10.1%
1970–1979 15.8%
1960–1969 10.0%
1950–1959 8.3%
1940–1949 6.0%
1939 or earlier 18.2%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 8.2%
2 bedrooms 26.9%
3 bedrooms 40.0%
4 bedrooms 18.6%
5+ bedrooms 6.3%
Vehicles per household
Vehicles % of households
No vehicle 2.2%
1 vehicle 14.3%
2 vehicles 40.3%
3 or more 43.2%
Heating fuel
Fuel type %
Utility gas 50.5%
Electricity 26.4%
Propane / LP gas 20.0%
Wood 2.0%
No fuel used 0.4%
Households & families
Household type Count %
Married-couple family 273 53.4%
Cohabiting couple 45 8.8%
Male householder, no spouse 114 22.3%
Female householder, no spouse 79 15.5%
Households with children under 18 169 33.1%
Households with seniors (65+) 147 28.8%
Average household size 2.57
Marital status
Status Male Female
Never married 26.2% 21.8%
Married 56.1% 54.6%
Separated 0.0% 1.2%
Widowed 5.6% 9.1%
Divorced 12.0% 13.3%
Education
Some college, no degree
16.1%
Graduate / professional
5.4%
Metric %
HS diploma or higher 93.0%
Bachelor's or higher 24.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 14 4.1%
Kindergarten 28 8.3%
Elementary school 166 49.0%
High school 98 28.9%
College / grad school 33 9.7%
Employment
Industry of employment
Education & healthcare
21.3%
Agriculture & mining
15.9%
Arts, food & hospitality
5.8%
Transportation & utilities
5.5%
Public administration
4.2%
Finance & real estate
3.6%
Professional & management
3.2%
Occupation
Category %
Management, business & arts 41.6%
Service 13.1%
Sales & office 16.2%
Natural resources & construction 11.2%
Production & transportation 17.9%
Employment type
Type %
Private sector 78.3%
Government 11.5%
Self-employed 9.9%
Unpaid family workers 0.3%
Commute
Method %
Drive alone 76.3%
Carpool 10.3%
Public transit 0.0%
Walk 2.9%
Work from home 10.4%
Other means 0.0%
Avg commute (minutes) 24.3
Poverty
Married-couple families
5.9%
Female-led households
29.5%
Income support
Source % of households
Social Security 27.2%
Retirement income 14.3%
Supplemental Security 2.9%
Cash public assistance 1.4%
Food stamps / SNAP 1.8%
Health indicators
Condition %
Obesity 31.8%
High blood pressure 32.5%
High cholesterol 32.1%
Diabetes 9.5%
Heart disease 7.7%
Stroke 3.4%
Asthma 8.2%
Arthritis 26.0%
Kidney disease 3.2%
Pulmonary disease 6.1%
Cancer 8.8%
Behavior / access %
Smoking 15.9%
Binge drinking 18.0%
No physical activity 22.7%
Less than 7 hrs sleep 26.2%
Depression 14.1%
Fair or poor health 11.2%
Poor mental health 9.6%
Poor physical health 8.6%
No health insurance 12.1%
Visited doctor (checkup) 74.6%
Visited dentist 69.2%
Cholesterol screening 90.3%
Teeth loss 13.0%
Veterans & disability
Veterans Count %
Civilian veterans 95 9.8%
Disability %
Any disability 7.0%
Under 18 3.7%
18–64 years 2.7%
65 and over 27.6%
Health insurance coverage
Type %
Private insurance 76.4%
Public insurance 24.0%
No insurance 6.4%
Uninsured under 19 0.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,258 91.7%
Spanish 48 3.8%
Other Indo-European 46 3.7%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,308 95.3%
Born in same state 1,308 95.3%
Born in different state 999 72.8%
Foreign born 0 0.0%
Naturalized citizen 64 4.7%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Polish 348 25.4%
English 133 9.7%
French 121 8.8%
Italian 99 7.2%
Ancestry Count %
Arab 35 2.6%
Dutch 18 1.3%
German 2 0.1%
Technology access
Metric % of households
Computer access 37.2%
Internet access 91.8%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57234
What city is ZIP code 57234 in?
ZIP code 57234 is primarily assigned to Estelline, South Dakota.
What county is ZIP code 57234 in?
ZIP code 57234 falls within Hamlin County, South Dakota.
Is ZIP code 57234 mostly owner-occupied?
87% of occupied units in ZIP code 57234 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 57234?
The median home value in ZIP code 57234 is $154,100.
Does ZIP code 57234 have a large veteran population?
10% of civilians in ZIP code 57234 are veterans, above the national average of ~7%.
What is the population of ZIP code 57234?
ZIP code 57234 has an estimated population of 1,372 residents, with a density of 13 people per square mile.
What timezone is ZIP code 57234 in?
ZIP code 57234 observes the CST timezone.
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