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South Dakota ZIP Codes
Davison County
Ethan, SD
57334
57334 ZIP Code — Ethan, SD
Davison County, South Dakota
ZIP code 57334 is located in
Ethan ,
South Dakota ,
within Davison County .
It covers approximately 106.24 square miles and serves a population of
809 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57334
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 $156,300. Owner-occupancy is high at 77%, well above the national average.
Median household income is $64,844.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
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Cities in ZIP code 57334
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City
Status
Ethan
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
809
Population density
8 / sq mi
State FIPS
46
County FIPS
035
Geography
Land area
106.24 sq mi
Water area
0.17 sq mi
Latitude
43.5219
Longitude
-97.9989
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.7%
52.2%
41.7%
$50k – $100k
36.5%
25.6%
33.8%
$100k – $200k
25.7%
19.2%
20.1%
Over $200k
1.1%
2.9%
4.4%
Demographics & statistics
$64,844
Median household income
$156,300
Median home value
26.3%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 247 30.5%
18 and over 562 69.5%
65 and over 132 16.3%
Median age 37.6 years
Race & ethnicity
Group Count %
White 743 89.3%
Two or more races 47 5.6%
Hispanic or Latino 23 2.8%
Other race 19 2.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.7%
52.2%
41.7%
$50k – $100k
36.5%
25.6%
33.8%
$100k – $200k
25.7%
19.2%
20.1%
Over $200k
1.1%
2.9%
4.4%
Range % of households
Under $10k 0.7%
$10k–$15k 1.7%
$15k–$25k 4.9%
$25k–$35k 3.8%
$35k–$50k 24.0%
$50k–$75k 21.3%
$75k–$100k 15.0%
$100k–$150k 21.3%
$150k–$200k 4.2%
$200k+ 3.1%
Median income $64,844
Housing
Housing overview
Metric Value
Median home value $156,300
Median rent / month $819
Owner occupied 77.4%
Renter occupied 22.6%
Vacant 5.3%
Single-family detached 87.5%
Large apartment buildings 0.7%
Mobile homes 5.0%
Median rooms 6.6
Avg household size (owned) 2.60
Year built
Era %
2020 or later 0.0%
2010–2019 5.6%
2000–2009 11.2%
1990–1999 5.3%
1980–1989 2.3%
1970–1979 14.5%
1960–1969 6.6%
1950–1959 12.9%
1940–1949 9.6%
1939 or earlier 32.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 1.3%
2 bedrooms 15.5%
3 bedrooms 51.5%
4 bedrooms 23.8%
5+ bedrooms 7.9%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 23.0%
2 vehicles 35.9%
3 or more 41.1%
Heating fuel
Fuel type %
Utility gas 24.4%
Electricity 40.4%
Propane / LP gas 27.9%
Fuel oil 3.8%
No fuel used 1.4%
Households & families
Household type Count %
Married-couple family 191 66.6%
Cohabiting couple 28 9.8%
Male householder, no spouse 45 15.7%
Female householder, no spouse 23 8.0%
Households with children under 18 100 34.8%
Households with seniors (65+) 63 22.0%
Average household size 2.67
Marital status
Status Male Female
Never married 22.6% 33.1%
Married 68.6% 57.9%
Separated 0.0% 0.0%
Widowed 1.4% 4.6%
Divorced 7.3% 4.3%
Education
Some college, no degree
18.2%
Graduate / professional
13.4%
Metric %
HS diploma or higher 92.8%
Bachelor's or higher 26.3%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 10 5.6%
Kindergarten 24 13.3%
Elementary school 99 55.0%
High school 26 14.4%
College / grad school 21 11.7%
Employment
Industry of employment
Education & healthcare
26.4%
Agriculture & mining
21.7%
Transportation & utilities
5.4%
Professional & management
5.2%
Arts, food & hospitality
3.8%
Finance & real estate
3.3%
Public administration
2.4%
Occupation
Category %
Management, business & arts 39.9%
Service 13.9%
Sales & office 15.8%
Natural resources & construction 11.1%
Production & transportation 19.3%
Employment type
Type %
Private sector 72.2%
Government 8.5%
Self-employed 17.0%
Unpaid family workers 2.4%
Commute
Method %
Drive alone 70.8%
Carpool 7.9%
Public transit 0.0%
Walk 0.0%
Work from home 19.9%
Other means 1.4%
Avg commute (minutes) 29.8
Poverty
Married-couple families
1.0%
Female-led households
66.7%
Income support
Source % of households
Social Security 22.6%
Retirement income 9.1%
Supplemental Security 1.7%
Cash public assistance 0.3%
Food stamps / SNAP 1.0%
Health indicators
Condition %
Obesity 33.2%
High blood pressure 28.0%
High cholesterol 28.8%
Diabetes 8.0%
Heart disease 6.1%
Stroke 2.7%
Asthma 8.7%
Arthritis 21.4%
Kidney disease 2.6%
Pulmonary disease 5.4%
Cancer 6.5%
Behavior / access %
Smoking 18.2%
Binge drinking 21.0%
No physical activity 21.5%
Less than 7 hrs sleep 27.7%
Depression 15.7%
Fair or poor health 10.3%
Poor mental health 11.0%
Poor physical health 8.1%
No health insurance 12.2%
Visited doctor (checkup) 73.5%
Visited dentist 69.3%
Cholesterol screening 87.5%
Teeth loss 13.1%
Veterans & disability
Veterans Count %
Civilian veterans 53 9.4%
Disability %
Any disability 17.2%
Under 18 5.7%
18–64 years 10.7%
65 and over 59.8%
Health insurance coverage
Type %
Private insurance 76.0%
Public insurance 26.2%
No insurance 7.8%
Uninsured under 19 16.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 724 89.5%
Spanish 19 2.6%
Other Indo-European 19 2.6%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 790 97.7%
Born in same state 785 97.0%
Born in different state 675 83.4%
Foreign born 5 0.6%
Naturalized citizen 19 2.3%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 69 8.5%
Arab 67 8.3%
English 53 6.6%
Polish 32 4%
Ancestry Count %
French 17 2.1%
Dutch 11 1.4%
Irish 8 1%
German 2 0.2%
Technology access
Metric % of households
Computer access 35.5%
Internet access 94.1%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57334
What city is ZIP code 57334 in?
ZIP code 57334 is primarily assigned to Ethan, South Dakota.
What county is ZIP code 57334 in?
ZIP code 57334 falls within Davison County, South Dakota.
Is ZIP code 57334 family-oriented?
31% of residents in ZIP code 57334 are under 18, reflecting a younger, family-oriented community.
What is the typical home value in ZIP code 57334?
The median home value in ZIP code 57334 is $156,300.
Does ZIP code 57334 have a large veteran population?
9% of civilians in ZIP code 57334 are veterans, above the national average of ~7%.
What is the population of ZIP code 57334?
ZIP code 57334 has an estimated population of 809 residents, with a density of 8 people per square mile.
What timezone is ZIP code 57334 in?
ZIP code 57334 observes the CST timezone.
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