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South Dakota ZIP Codes
Minnehaha County
Colton, SD
57018
57018 ZIP Code — Colton, SD
Minnehaha County, South Dakota
ZIP code 57018 is located in
Colton ,
South Dakota ,
within Minnehaha County .
It covers approximately 84.93 square miles and serves a population of
1,445 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57018
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 $216,500. Owner-occupancy is high at 83%, well above the national average.
The gap between median ($84,306) and mean household income suggests income inequality — a small number of higher earners pull the average up. 33% 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 25 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.
Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.
Overall, ZIP code 57018 reflects a community defined by high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.
57018 ZIP code map
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Cities in ZIP code 57018
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Nearby ZIP codes
Demographics
updated 06/2026
Population
Total population
1,445
Population density
17 / sq mi
State FIPS
46
County FIPS
099
Geography
Land area
84.93 sq mi
Water area
1.41 sq mi
Latitude
43.7903
Longitude
-96.9802
Timezone
Central (CT)
Area code
605
Economics
updated 06/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
19.9%
38.0%
41.7%
$50k – $100k
48.7%
35.0%
33.8%
$100k – $200k
29.0%
22.8%
20.1%
Over $200k
2.5%
4.2%
4.4%
Demographics & statistics
$84,306
Median household income
$216,500
Median home value
26.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 439 30.4%
18 and over 1,006 69.6%
65 and over 264 18.3%
Median age 36.7 years
Race & ethnicity
American Indian / Alaska Native
1%
Black or African American
0.6%
Group Count %
White 1,389 96%
Two or more races 32 2.2%
American Indian / Alaska Native 14 1%
Black or African American 9 0.6%
Hispanic or Latino 2 0.1%
Other race 1 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
19.9%
38.0%
41.7%
$50k – $100k
48.7%
35.0%
33.8%
$100k – $200k
29.0%
22.8%
20.1%
Over $200k
2.5%
4.2%
4.4%
Range % of households
Under $10k 5.4%
$10k–$15k 1.7%
$15k–$25k 6.4%
$25k–$35k 3.9%
$35k–$50k 9.8%
$50k–$75k 12.0%
$75k–$100k 16.3%
$100k–$150k 21.4%
$150k–$200k 11.1%
$200k+ 12.0%
Median income $84,306
Housing
Housing overview
Metric Value
Median home value $216,500
Median rent / month $680
Owner occupied 83.1%
Renter occupied 16.9%
Vacant 9.0%
Single-family detached 85.2%
Large apartment buildings 1.7%
Mobile homes 4.1%
Median rooms 7.0
Avg household size (owned) 2.86
Year built
Era %
2020 or later 0.3%
2010–2019 2.6%
2000–2009 11.4%
1990–1999 10.4%
1980–1989 9.2%
1970–1979 10.4%
1960–1969 6.8%
1950–1959 11.1%
1940–1949 2.6%
1939 or earlier 35.2%
Bedrooms
Size % of units
No bedroom (studio) 5.1%
1 bedroom 3.6%
2 bedrooms 19.1%
3 bedrooms 27.1%
4 bedrooms 29.0%
5+ bedrooms 16.0%
Vehicles per household
Vehicles % of households
No vehicle 6.4%
1 vehicle 20.6%
2 vehicles 23.5%
3 or more 49.5%
Heating fuel
Fuel type %
Utility gas 48.8%
Electricity 22.3%
Propane / LP gas 25.5%
Fuel oil 1.7%
No fuel used 0.4%
Households & families
Household type Count %
Married-couple family 338 63.4%
Cohabiting couple 20 3.8%
Male householder, no spouse 50 9.4%
Female householder, no spouse 125 23.5%
Households with children under 18 215 40.3%
Households with seniors (65+) 168 31.5%
Average household size 2.70
Marital status
Status Male Female
Never married 25.1% 19.8%
Married 71.7% 60.9%
Separated 0.4% 5.5%
Widowed 0.0% 10.3%
Divorced 2.8% 3.6%
Education
Some college, no degree
21.6%
Graduate / professional
3.7%
Metric %
HS diploma or higher 96.8%
Bachelor's or higher 26.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 20 4.8%
Kindergarten 38 9.0%
Elementary school 261 62.1%
High school 88 21.0%
College / grad school 13 3.1%
Employment
Industry of employment
Education & healthcare
20.7%
Agriculture & mining
10.6%
Finance & real estate
8.6%
Professional & management
7.9%
Arts, food & hospitality
5.0%
Transportation & utilities
3.5%
Public administration
1.3%
Occupation
Category %
Management, business & arts 43.3%
Service 15.7%
Sales & office 19.8%
Natural resources & construction 8.3%
Production & transportation 12.8%
Employment type
Type %
Private sector 77.8%
Government 6.6%
Self-employed 15.6%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 71.7%
Carpool 3.9%
Public transit 0.0%
Walk 3.1%
Work from home 20.7%
Other means 0.5%
Avg commute (minutes) 24.9
Poverty
Married-couple families
8.3%
Female-led households
12.5%
Income support
Source % of households
Social Security 33.4%
Retirement income 21.0%
Supplemental Security 2.6%
Cash public assistance 0.0%
Food stamps / SNAP 6.6%
Health indicators
Condition %
Obesity 28.6%
High blood pressure 28.6%
High cholesterol 30.0%
Diabetes 7.2%
Heart disease 5.7%
Stroke 2.5%
Asthma 8.6%
Arthritis 21.4%
Kidney disease 2.4%
Pulmonary disease 4.7%
Cancer 7.3%
Behavior / access %
Smoking 15.0%
Binge drinking 19.8%
No physical activity 18.4%
Less than 7 hrs sleep 25.8%
Depression 15.7%
Fair or poor health 8.9%
Poor mental health 9.6%
Poor physical health 7.2%
No health insurance 10.5%
Visited doctor (checkup) 76.8%
Visited dentist 75.2%
Cholesterol screening 89.7%
Teeth loss 9.8%
Veterans & disability
Veterans Count %
Civilian veterans 57 5.7%
Disability %
Any disability 11.0%
Under 18 0.0%
18–64 years 10.7%
65 and over 29.9%
Health insurance coverage
Type %
Private insurance 82.7%
Public insurance 26.6%
No insurance 4.6%
Uninsured under 19 2.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 1,378 95.4%
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) 1,439 99.6%
Born in same state 1,436 99.4%
Born in different state 1,027 71.1%
Foreign born 3 0.2%
Naturalized citizen 6 0.4%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Polish 551 38.1%
Italian 178 12.3%
Arab 166 11.5%
Ancestry Count %
English 125 8.7%
Dutch 109 7.5%
French 76 5.3%
Technology access
Metric % of households
Computer access 36.9%
Internet access 88.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57018
What city is ZIP code 57018 in?
ZIP code 57018 is primarily assigned to Colton, South Dakota.
What county is ZIP code 57018 in?
ZIP code 57018 falls within Minnehaha County, South Dakota.
Is ZIP code 57018 family-oriented?
30% of residents in ZIP code 57018 are under 18, reflecting a younger, family-oriented community.
Is ZIP code 57018 mostly owner-occupied?
83% of occupied units in ZIP code 57018 are owner-occupied, well above the national average.
What is the population of ZIP code 57018?
ZIP code 57018 has an estimated population of 1,445 residents, with a density of 17 people per square mile.
What is the typical home value in ZIP code 57018?
The median home value in ZIP code 57018 is $216,500.
What timezone is ZIP code 57018 in?
ZIP code 57018 observes the CST timezone.
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