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South Dakota ZIP Codes
Mccook County
Salem, SD
57058
57058 ZIP Code — Salem, SD
Mccook County, South Dakota
ZIP code 57058 is located in
Salem ,
South Dakota ,
within Mccook County .
It covers approximately 159.05 square miles and serves a population of
1,964 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57058
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 $175,600. Owner-occupancy is high at 80%, well above the national average.
Median household income is $74,405. 30% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 21 minutes is near the national average.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
Overall, ZIP code 57058 reflects a community defined by high homeownership and a significant Social Security-dependent population.
57058 ZIP code map
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Cities in ZIP code 57058
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,964
Population density
12 / sq mi
State FIPS
46
County FIPS
087
Geography
Land area
159.05 sq mi
Water area
0.77 sq mi
Latitude
43.7611
Longitude
-97.3689
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.7%
34.4%
41.7%
$50k – $100k
47.1%
42.7%
33.8%
$100k – $200k
10.4%
16.5%
20.1%
Over $200k
8.8%
6.4%
4.4%
Demographics & statistics
$74,405
Median household income
$175,600
Median home value
26.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 536 27.3%
18 and over 1,428 72.7%
65 and over 451 23.0%
Median age 40.9 years
Race & ethnicity
American Indian / Alaska Native
2.6%
Black or African American
0.2%
Group Count %
White 1,841 93%
Two or more races 63 3.2%
American Indian / Alaska Native 51 2.6%
Hispanic or Latino 15 0.8%
Other race 6 0.3%
Black or African American 3 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
33.7%
34.4%
41.7%
$50k – $100k
47.1%
42.7%
33.8%
$100k – $200k
10.4%
16.5%
20.1%
Over $200k
8.8%
6.4%
4.4%
Range % of households
Under $10k 3.7%
$10k–$15k 1.5%
$15k–$25k 3.4%
$25k–$35k 5.0%
$35k–$50k 12.7%
$50k–$75k 25.0%
$75k–$100k 16.8%
$100k–$150k 19.7%
$150k–$200k 3.8%
$200k+ 8.3%
Median income $74,405
Housing
Housing overview
Metric Value
Median home value $175,600
Median rent / month $922
Owner occupied 79.9%
Renter occupied 20.1%
Vacant 10.4%
Single-family detached 83.2%
Large apartment buildings 1.3%
Mobile homes 1.7%
Median rooms 6.3
Avg household size (owned) 2.47
Year built
Era %
2020 or later 0.0%
2010–2019 1.7%
2000–2009 8.4%
1990–1999 11.7%
1980–1989 14.7%
1970–1979 14.6%
1960–1969 7.5%
1950–1959 13.5%
1940–1949 4.0%
1939 or earlier 23.9%
Bedrooms
Size % of units
No bedroom (studio) 1.7%
1 bedroom 2.8%
2 bedrooms 30.5%
3 bedrooms 36.5%
4 bedrooms 19.1%
5+ bedrooms 9.5%
Vehicles per household
Vehicles % of households
No vehicle 0.8%
1 vehicle 16.9%
2 vehicles 36.2%
3 or more 46.0%
Heating fuel
Fuel type %
Utility gas 44.0%
Electricity 29.9%
Propane / LP gas 21.2%
Fuel oil 0.9%
Wood 0.4%
Households & families
Household type Count %
Married-couple family 461 61.0%
Cohabiting couple 27 3.6%
Male householder, no spouse 123 16.3%
Female householder, no spouse 145 19.2%
Households with children under 18 226 29.9%
Households with seniors (65+) 234 31.0%
Average household size 2.39
Marital status
Status Male Female
Never married 18.1% 23.0%
Married 65.9% 60.8%
Separated 0.1% 0.7%
Widowed 4.7% 9.1%
Divorced 11.1% 6.6%
Education
Some college, no degree
16.8%
Graduate / professional
7.9%
Metric %
HS diploma or higher 90.0%
Bachelor's or higher 26.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 17 3.6%
Kindergarten 42 8.9%
Elementary school 297 62.8%
High school 52 11.0%
College / grad school 65 13.7%
Employment
Industry of employment
Education & healthcare
17.4%
Finance & real estate
15.9%
Agriculture & mining
14.1%
Professional & management
6.8%
Public administration
6.1%
Arts, food & hospitality
5.4%
Transportation & utilities
3.9%
Occupation
Category %
Management, business & arts 35.6%
Service 13.1%
Sales & office 25.9%
Natural resources & construction 16.3%
Production & transportation 9.1%
Employment type
Type %
Private sector 69.1%
Government 12.3%
Self-employed 17.0%
Unpaid family workers 1.5%
Commute
Method %
Drive alone 81.7%
Carpool 6.6%
Public transit 0.0%
Walk 3.9%
Work from home 7.4%
Other means 0.4%
Avg commute (minutes) 20.5
Poverty
Married-couple families
2.2%
Female-led households
11.9%
Income support
Source % of households
Social Security 30.3%
Retirement income 17.7%
Supplemental Security 5.4%
Cash public assistance 3.4%
Food stamps / SNAP 5.6%
Health indicators
Condition %
Obesity 33.8%
High blood pressure 34.8%
High cholesterol 32.5%
Diabetes 10.5%
Heart disease 8.5%
Stroke 3.8%
Asthma 8.8%
Arthritis 27.9%
Kidney disease 3.5%
Pulmonary disease 7.1%
Cancer 8.7%
Behavior / access %
Smoking 17.9%
Binge drinking 17.6%
No physical activity 24.9%
Less than 7 hrs sleep 27.4%
Depression 15.6%
Fair or poor health 13.0%
Poor mental health 10.4%
Poor physical health 9.9%
No health insurance 12.4%
Visited doctor (checkup) 76.7%
Visited dentist 66.4%
Cholesterol screening 89.9%
Teeth loss 15.8%
Veterans & disability
Veterans Count %
Civilian veterans 99 6.9%
Disability %
Any disability 15.5%
Under 18 4.3%
18–64 years 12.5%
65 and over 36.9%
Health insurance coverage
Type %
Private insurance 77.2%
Public insurance 28.0%
No insurance 8.7%
Uninsured under 19 6.3%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,820 92.7%
Spanish 4 0.2%
Other Indo-European 2 0.1%
Asian & Pacific Islander 2 0.1%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 1,962 99.9%
Born in same state 1,962 99.9%
Born in different state 1,652 84.1%
Foreign born 0 0.0%
Naturalized citizen 2 0.1%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
English 166 8.5%
French 129 6.6%
Italian 125 6.4%
Ancestry Count %
Arab 82 4.2%
Polish 80 4.1%
Dutch 20 1%
Technology access
Metric % of households
Computer access 38.5%
Internet access 93.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57058
What city is ZIP code 57058 in?
ZIP code 57058 is primarily assigned to Salem, South Dakota.
What county is ZIP code 57058 in?
ZIP code 57058 falls within Mccook County, South Dakota.
What is the typical home value in ZIP code 57058?
The median home value in ZIP code 57058 is $175,600.
What is the population of ZIP code 57058?
ZIP code 57058 has an estimated population of 1,964 residents, with a density of 12 people per square mile.
What is the median household income in ZIP code 57058?
The median household income in ZIP code 57058 is $74,405, below the national median of ~$75,000.
What timezone is ZIP code 57058 in?
ZIP code 57058 observes the CST timezone.
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