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South Dakota ZIP Codes
Lincoln County
Lennox, SD
57039
57039 ZIP Code — Lennox, SD
Lincoln County, South Dakota
ZIP code 57039 is located in
Lennox ,
South Dakota ,
within Lincoln County .
It covers approximately 91.94 square miles and serves a population of
3,759 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57039
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 $217,800. Owner-occupancy is high at 77%, well above the national average.
Median household income is $73,960.
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 21% of residents holding a bachelor's degree or higher.
57039 ZIP code map
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Cities in ZIP code 57039
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,759
Population density
41 / sq mi
State FIPS
46
County FIPS
083
Geography
Land area
91.94 sq mi
Water area
0.01 sq mi
Latitude
43.3233
Longitude
-96.8755
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.0%
26.1%
41.7%
$50k – $100k
37.0%
32.8%
33.8%
$100k – $200k
25.1%
31.2%
20.1%
Over $200k
1.9%
9.9%
4.4%
Demographics & statistics
$73,960
Median household income
$217,800
Median home value
21.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 1,033 27.5%
18 and over 2,726 72.5%
65 and over 571 15.2%
Median age 38.5 years
Race & ethnicity
Black or African American
1.1%
American Indian / Alaska Native
0.3%
Group Count %
White 3,419 84.9%
Hispanic or Latino 267 6.6%
Two or more races 168 4.2%
Other race 115 2.9%
Black or African American 45 1.1%
American Indian / Alaska Native 12 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
36.0%
26.1%
41.7%
$50k – $100k
37.0%
32.8%
33.8%
$100k – $200k
25.1%
31.2%
20.1%
Over $200k
1.9%
9.9%
4.4%
Range % of households
Under $10k 2.9%
$10k–$15k 2.5%
$15k–$25k 7.4%
$25k–$35k 6.6%
$35k–$50k 14.0%
$50k–$75k 19.6%
$75k–$100k 13.2%
$100k–$150k 22.6%
$150k–$200k 8.4%
$200k+ 2.7%
Median income $73,960
Housing
Housing overview
Metric Value
Median home value $217,800
Median rent / month $788
Owner occupied 77.3%
Renter occupied 22.7%
Vacant 2.6%
Single-family detached 76.3%
Large apartment buildings 0.9%
Mobile homes 11.0%
Median rooms 6.5
Avg household size (owned) 2.71
Year built
Era %
2020 or later 0.0%
2010–2019 8.0%
2000–2009 10.2%
1990–1999 14.0%
1980–1989 6.8%
1970–1979 20.3%
1960–1969 4.7%
1950–1959 2.3%
1940–1949 6.7%
1939 or earlier 26.9%
Bedrooms
Size % of units
No bedroom (studio) 0.4%
1 bedroom 4.3%
2 bedrooms 27.2%
3 bedrooms 28.1%
4 bedrooms 25.9%
5+ bedrooms 14.2%
Vehicles per household
Vehicles % of households
No vehicle 2.3%
1 vehicle 27.7%
2 vehicles 29.0%
3 or more 41.0%
Heating fuel
Fuel type %
Utility gas 54.2%
Electricity 28.0%
Propane / LP gas 14.8%
Fuel oil 0.9%
No fuel used 0.4%
Households & families
Household type Count %
Married-couple family 904 62.0%
Cohabiting couple 100 6.9%
Male householder, no spouse 195 13.4%
Female householder, no spouse 258 17.7%
Households with children under 18 555 38.1%
Households with seniors (65+) 343 23.5%
Average household size 2.52
Marital status
Status Male Female
Never married 27.2% 16.1%
Married 63.1% 62.2%
Separated 0.0% 0.9%
Widowed 1.3% 10.1%
Divorced 8.3% 10.7%
Education
Some college, no degree
14.0%
Graduate / professional
6.4%
Metric %
HS diploma or higher 92.2%
Bachelor's or higher 21.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 50 5.3%
Kindergarten 67 7.1%
Elementary school 512 54.0%
High school 257 27.1%
College / grad school 63 6.6%
Employment
Industry of employment
Education & healthcare
25.4%
Finance & real estate
12.6%
Professional & management
5.2%
Transportation & utilities
4.9%
Public administration
4.3%
Agriculture & mining
4.1%
Arts, food & hospitality
2.6%
Occupation
Category %
Management, business & arts 29.0%
Service 14.1%
Sales & office 25.2%
Natural resources & construction 12.0%
Production & transportation 19.8%
Employment type
Type %
Private sector 81.1%
Government 13.2%
Self-employed 5.6%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 74.2%
Carpool 9.2%
Public transit 0.0%
Walk 1.2%
Work from home 15.0%
Other means 0.2%
Avg commute (minutes) 21.0
Poverty
Married-couple families
6.0%
Female-led households
44.6%
Income support
Source % of households
Social Security 26.7%
Retirement income 17.0%
Supplemental Security 2.8%
Cash public assistance 6.4%
Food stamps / SNAP 9.7%
Health indicators
Condition %
Obesity 34.5%
High blood pressure 29.7%
High cholesterol 29.9%
Diabetes 8.3%
Heart disease 6.5%
Stroke 2.8%
Asthma 8.3%
Arthritis 21.7%
Kidney disease 2.7%
Pulmonary disease 5.3%
Cancer 7.2%
Behavior / access %
Smoking 16.9%
Binge drinking 20.6%
No physical activity 23.6%
Less than 7 hrs sleep 25.6%
Depression 15.6%
Fair or poor health 10.0%
Poor mental health 10.3%
Poor physical health 8.1%
No health insurance 11.5%
Visited doctor (checkup) 76.0%
Visited dentist 68.8%
Cholesterol screening 89.3%
Teeth loss 13.5%
Veterans & disability
Veterans Count %
Civilian veterans 151 5.6%
Disability %
Any disability 8.3%
Under 18 2.0%
18–64 years 9.1%
65 and over 17.7%
Health insurance coverage
Type %
Private insurance 77.1%
Public insurance 28.7%
No insurance 5.8%
Uninsured under 19 3.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 3,581 95.3%
Spanish 18 0.5%
Other Indo-European 14 0.4%
Asian & Pacific Islander 4 0.1%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 3,739 99.5%
Born in same state 3,727 99.1%
Born in different state 2,695 71.7%
Foreign born 12 0.3%
Naturalized citizen 20 0.5%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Polish 675 18%
Italian 365 9.7%
English 254 6.8%
French 209 5.6%
Ancestry Count %
Arab 163 4.3%
Dutch 137 3.6%
German 28 0.7%
Technology access
Metric % of households
Computer access 38.8%
Internet access 94.2%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57039
What city is ZIP code 57039 in?
ZIP code 57039 is primarily assigned to Lennox, South Dakota.
What county is ZIP code 57039 in?
ZIP code 57039 falls within Lincoln County, South Dakota.
What is the population of ZIP code 57039?
ZIP code 57039 has an estimated population of 3,759 residents, with a density of 41 people per square mile.
What is the typical home value in ZIP code 57039?
The median home value in ZIP code 57039 is $217,800.
What is the median household income in ZIP code 57039?
The median household income in ZIP code 57039 is $73,960, below the national median of ~$75,000.
What timezone is ZIP code 57039 in?
ZIP code 57039 observes the CST timezone.
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