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South Dakota ZIP Codes
Grant County
Strandburg, SD
57265
57265 ZIP Code — Strandburg, SD
Grant County, South Dakota
ZIP code 57265 is located in
Strandburg ,
South Dakota ,
within Grant County .
It covers approximately 82.63 square miles and serves a population of
204 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57265
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 $125,000. Owner-occupancy is high at 81%, well above the national average.
Median household income is $75,000. The poverty rate of 4% is below the national average. 31% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 32 minutes is near the national average.
Educational attainment is near the national average, with 21% of residents holding a bachelor's degree or higher.
Overall, ZIP code 57265 reflects a community defined by high homeownership and a significant Social Security-dependent population.
57265 ZIP code map
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Cities in ZIP code 57265
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Demographics
updated 05/2026
Population
Total population
204
Population density
2 / sq mi
State FIPS
46
County FIPS
051
Geography
Land area
82.63 sq mi
Water area
3.67 sq mi
Latitude
44.9593
Longitude
-96.7836
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
50.0%
39.8%
41.7%
$50k – $100k
36.9%
38.4%
33.8%
$100k – $200k
11.9%
15.9%
20.1%
Over $200k
1.2%
5.9%
4.4%
Demographics & statistics
$75,000
Median household income
$125,000
Median home value
21.3%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 54 26.5% 18 and over 150 73.5% 65 and over 34 16.7% Median age 31.3 years
Race & ethnicity
Group Count % White 191 91.8% Two or more races 13 6.3% Hispanic or Latino 4 1.9%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
50.0%
39.8%
41.7%
$50k – $100k
36.9%
38.4%
33.8%
$100k – $200k
11.9%
15.9%
20.1%
Over $200k
1.2%
5.9%
4.4%
Range % of households $15k–$25k 9.7% $35k–$50k 22.2% $50k–$75k 18.1% $75k–$100k 27.8% $100k–$150k 19.4% $150k–$200k 2.8% Median income $75,000
Housing
Housing overview
Metric Value Median home value $125,000 Median rent / month $0 Owner occupied 80.6% Renter occupied 19.4% Vacant 21.7% Single-family detached 71.7% Large apartment buildings 0.0% Mobile homes 17.4% Median rooms 7.1 Avg household size (owned) 2.60
Year built
Era % 2020 or later 0.0% 2010–2019 0.0% 2000–2009 14.1% 1990–1999 17.4% 1980–1989 6.5% 1970–1979 5.4% 1960–1969 1.1% 1950–1959 6.5% 1940–1949 14.1% 1939 or earlier 34.8%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 3.3% 2 bedrooms 6.5% 3 bedrooms 55.4% 4 bedrooms 31.5% 5+ bedrooms 3.3%
Vehicles per household
Vehicles % of households No vehicle 5.6% 1 vehicle 9.7% 2 vehicles 26.4% 3 or more 58.3%
Heating fuel
Fuel type % Utility gas 13.9% Electricity 5.6% Propane / LP gas 62.5% Fuel oil 11.1% Wood 1.4% No fuel used 1.4%
Households & families
Household type Count % Married-couple family 47 65.3% Cohabiting couple 1 1.4% Male householder, no spouse 5 6.9% Female householder, no spouse 19 26.4% Households with children under 18 22 30.6% Households with seniors (65+) 22 30.6% Average household size 2.83
Marital status
Status Male Female Never married 25.0% 38.5% Married 72.1% 51.6% Separated 0.0% 1.1% Widowed 0.0% 8.8% Divorced 2.9% 0.0%
Education
Some college, no degree
19.4%
Graduate / professional
17.6%
Metric % HS diploma or higher 93.5% Bachelor's or higher 21.3%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 0 0.0% Elementary school 25 50.0% High school 13 26.0% College / grad school 12 24.0%
Employment
Industry of employment
Agriculture & mining
26.9%
Arts, food & hospitality
15.7%
Education & healthcare
12.0%
Transportation & utilities
9.3%
Professional & management
9.3%
Finance & real estate
5.6%
Public administration
2.8%
Occupation
Category % Management, business & arts 51.9% Service 16.7% Sales & office 14.8% Natural resources & construction 6.5% Production & transportation 10.2%
Employment type
Type % Private sector 71.3% Government 10.2% Self-employed 18.5% Unpaid family workers 0.0%
Commute
Method % Drive alone 72.0% Carpool 7.5% Public transit 0.0% Walk 6.5% Work from home 14.0% Other means 0.0% Avg commute (minutes) 32.3
Poverty
Married-couple families
2.1%
Female-led households
0.0%
Income support
Source % of households Social Security 30.6% Retirement income 15.3% Supplemental Security 1.4% Cash public assistance 0.0% Food stamps / SNAP 1.4%
Health indicators
Condition % Obesity 33.5% High blood pressure 34.0% High cholesterol 34.3% Diabetes 9.8% Heart disease 8.3% Stroke 3.6% Asthma 8.5% Arthritis 27.8% Kidney disease 3.3% Pulmonary disease 6.8% Cancer 8.7%
Behavior / access % Smoking 17.1% Binge drinking 18.5% No physical activity 25.3% Less than 7 hrs sleep 27.1% Depression 14.5% Fair or poor health 11.9% Poor mental health 9.9% Poor physical health 9.4% No health insurance 11.6% Visited doctor (checkup) 76.9% Visited dentist 68.7% Cholesterol screening 90.1% Teeth loss 14.6%
Veterans & disability
Veterans Count % Civilian veterans 4 2.7%
Disability % Any disability 2.5% Under 18 1.9% 18–64 years 0.0% 65 and over 11.8%
Health insurance coverage
Type % Private insurance 72.1% Public insurance 37.3% No insurance 2.0% Uninsured under 19 3.4%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 184 90.2% Spanish 0 0.0% Other Indo-European 0 0.0% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 204 100.0% Born in same state 204 100.0% Born in different state 146 71.6% Foreign born 0 0.0% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Italian 25 12.3% Polish 14 6.9% Dutch 3 1.5%
Ancestry Count % Arab 3 1.5% French 1 0.5%
Technology access
Metric % of households Computer access 35.3% Internet access 100.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57265
What city is ZIP code 57265 in?
ZIP code 57265 is primarily assigned to Strandburg, South Dakota.
What county is ZIP code 57265 in?
ZIP code 57265 falls within Grant County, South Dakota.
Is ZIP code 57265 mostly owner-occupied?
81% of occupied units in ZIP code 57265 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 57265?
The median home value in ZIP code 57265 is $125,000.
What is the population of ZIP code 57265?
ZIP code 57265 has an estimated population of 204 residents, with a density of 2 people per square mile.
What is the median household income in ZIP code 57265?
The median household income in ZIP code 57265 is $75,000, below the national median of ~$75,000.
What timezone is ZIP code 57265 in?
ZIP code 57265 observes the CST timezone.
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