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South Dakota ZIP Codes
Lake County
Nunda, SD
57050
57050 ZIP Code — Nunda, SD
Lake County, South Dakota
ZIP code 57050 is located in
Nunda ,
South Dakota ,
within Lake County .
It covers approximately 39.99 square miles and serves a population of
200 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57050
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 $171,600. Owner-occupancy is high at 87%, well above the national average.
Median household income is $114,250. Poverty affects 21% of residents, above the national average.
The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 32 minutes is near the national average.
Educational attainment is high — 50% of residents hold a bachelor's degree or higher, well above the national average of 33%.
Overall, ZIP code 57050 reflects a community defined by a highly educated population, economic challenges above the national average, and high homeownership.
57050 ZIP code map
View map of 57050
Cities in ZIP code 57050
Below are the cities the US Postal Service accepts for ZIP code 57050. Using any city not on this list may result in mail delivery delays.
City
Status
Nunda
Preferred
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
200
Population density
5 / sq mi
State FIPS
46
County FIPS
079
Geography
Land area
39.99 sq mi
Water area
0.84 sq mi
Latitude
44.1524
Longitude
-97.0091
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.8%
34.6%
41.7%
$50k – $100k
13.6%
39.3%
33.8%
$100k – $200k
29.6%
21.7%
20.1%
Over $200k
4.0%
4.4%
4.4%
Demographics & statistics
$114,250
Median household income
$171,600
Median home value
50.4%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 66 33.0% 18 and over 134 67.0% 65 and over 30 15.0% Median age 42.6 years
Race & ethnicity
Group Count % White 198 99% Two or more races 2 1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.8%
34.6%
41.7%
$50k – $100k
13.6%
39.3%
33.8%
$100k – $200k
29.6%
21.7%
20.1%
Over $200k
4.0%
4.4%
4.4%
Range % of households Under $10k 1.2% $10k–$15k 9.6% $15k–$25k 1.2% $25k–$35k 9.6% $35k–$50k 4.8% $50k–$75k 10.8% $75k–$100k 6.0% $100k–$150k 34.9% $150k–$200k 15.7% $200k+ 6.0% Median income $114,250
Housing
Housing overview
Metric Value Median home value $171,600 Median rent / month $0 Owner occupied 86.7% Renter occupied 13.3% Vacant 2.4% Single-family detached 95.3% Large apartment buildings 0.0% Mobile homes 3.5% Median rooms 10.0 Avg household size (owned) 2.24
Year built
Era % 2020 or later 0.0% 2010–2019 5.9% 2000–2009 18.8% 1990–1999 1.2% 1980–1989 12.9% 1970–1979 7.1% 1960–1969 2.4% 1950–1959 1.2% 1940–1949 10.6% 1939 or earlier 40.0%
Bedrooms
Size % of units No bedroom (studio) 0.0% 1 bedroom 0.0% 2 bedrooms 27.1% 3 bedrooms 36.5% 4 bedrooms 8.2% 5+ bedrooms 28.2%
Vehicles per household
Vehicles % of households No vehicle 0.0% 1 vehicle 2.4% 2 vehicles 27.7% 3 or more 69.9%
Heating fuel
Fuel type % Electricity 28.9% Propane / LP gas 37.3% Wood 2.4%
Households & families
Household type Count % Married-couple family 55 66.3% Cohabiting couple 0 0.0% Male householder, no spouse 17 20.5% Female householder, no spouse 11 13.3% Households with children under 18 35 42.2% Households with seniors (65+) 20 24.1% Average household size 2.41
Marital status
Status Male Female Never married 36.0% 3.2% Married 60.7% 82.5% Separated 0.0% 0.0% Widowed 2.2% 1.6% Divorced 1.1% 12.7%
Education
Some college, no degree
22.1%
Graduate / professional
6.1%
Metric % HS diploma or higher 94.7% Bachelor's or higher 50.4%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 0 0.0% Kindergarten 4 9.3% Elementary school 21 48.8% High school 18 41.9% College / grad school 0 0.0%
Employment
Industry of employment
Education & healthcare
22.1%
Agriculture & mining
13.9%
Finance & real estate
7.4%
Transportation & utilities
4.1%
Arts, food & hospitality
2.5%
Professional & management
0.8%
Occupation
Category % Management, business & arts 36.1% Service 11.5% Sales & office 10.7% Natural resources & construction 22.1% Production & transportation 19.7%
Employment type
Type % Private sector 52.5% Government 25.4% Self-employed 22.1% Unpaid family workers 0.0%
Commute
Method % Drive alone 76.2% Carpool 7.4% Public transit 0.0% Walk 13.1% Work from home 3.3% Other means 0.0% Avg commute (minutes) 31.7
Poverty
Married-couple families
16.4%
Female-led households
0.0%
Income support
Source % of households Social Security 21.7% Retirement income 9.6% Supplemental Security 2.4% Cash public assistance 0.0% Food stamps / SNAP 6.0%
Health indicators
Condition % Obesity 31.9% High blood pressure 30.3% High cholesterol 30.9% Diabetes 8.9% Heart disease 7.0% Stroke 2.9% Asthma 8.4% Arthritis 24.1% Kidney disease 2.9% Pulmonary disease 5.4% Cancer 8.1%
Behavior / access % Smoking 15.1% Binge drinking 20.0% No physical activity 20.6% Less than 7 hrs sleep 26.6% Depression 14.1% Fair or poor health 9.7% Poor mental health 9.5% Poor physical health 7.9% No health insurance 10.2% Visited doctor (checkup) 75.7% Visited dentist 72.4% Cholesterol screening 90.9% Teeth loss 10.8%
Veterans & disability
Veterans Count % Civilian veterans 4 3.0%
Disability % Any disability 8.0% Under 18 13.6% 18–64 years 6.7% 65 and over 0.0%
Health insurance coverage
Type % Private insurance 93.5% Public insurance 15.0% No insurance 0.0% Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 178 89.0% Spanish 1 0.6% Other Indo-European 1 0.6% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 200 100.0% Born in same state 199 99.5% Born in different state 176 88.0% Foreign born 1 0.5% Naturalized citizen 0 0.0% Not a US citizen 0 0.0%
Ancestry
Ancestry Count % Polish 46 23% Italian 20 10% Arab 13 6.5%
Ancestry Count % Dutch 10 5% English 8 4% French 4 2%
Technology access
Metric % of households Computer access 41.5% Internet access 90.4%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57050
What city is ZIP code 57050 in?
ZIP code 57050 is primarily assigned to Nunda, South Dakota.
What county is ZIP code 57050 in?
ZIP code 57050 falls within Lake County, South Dakota.
Is ZIP code 57050 family-oriented?
33% of residents in ZIP code 57050 are under 18, reflecting a younger, family-oriented community.
Is ZIP code 57050 mostly owner-occupied?
87% of occupied units in ZIP code 57050 are owner-occupied, well above the national average.
What is the poverty rate in ZIP code 57050?
21% of residents in ZIP code 57050 live below the poverty line, above the national average.
How educated is the population of ZIP code 57050?
50% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What timezone is ZIP code 57050 in?
ZIP code 57050 observes the CST timezone.
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