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South Dakota ZIP Codes
Moody County
Egan, SD
57024
57024 ZIP Code — Egan, SD
Moody County, South Dakota
ZIP code 57024 is located in
Egan ,
South Dakota ,
within Moody County .
It covers approximately 29.16 square miles and serves a population of
473 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57024
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 $113,800. Owner-occupancy is high at 86%, well above the national average.
The gap between median ($83,750) and mean household income suggests income inequality — a small number of higher earners pull the average up. 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 21 minutes is near the national average.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (21%) compared to national benchmarks.
Overall, ZIP code 57024 reflects a community defined by high homeownership and a significant Social Security-dependent population.
57024 ZIP code map
View map of 57024
Cities in ZIP code 57024
Below are the cities the US Postal Service accepts for ZIP code 57024. Using any city not on this list may result in mail delivery delays.
City
Status
Egan
Acceptable
Demographics
updated 05/2026
Population
Total population
473
Population density
16 / sq mi
State FIPS
46
County FIPS
101
Geography
Land area
29.16 sq mi
Water area
0.00 sq mi
Latitude
43.9785
Longitude
-96.6472
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
37.1%
39.5%
41.7%
$50k – $100k
31.9%
34.4%
33.8%
$100k – $200k
9.5%
20.3%
20.1%
Over $200k
21.6%
5.9%
4.4%
Demographics & statistics
$83,750
Median household income
$113,800
Median home value
30.8%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 132 27.9% 18 and over 341 72.1% 65 and over 77 16.3% Median age 42.3 years
Race & ethnicity
American Indian / Alaska Native
2.3%
Group Count % White 414 80.7% Hispanic or Latino 40 7.8% Two or more races 30 5.8% Other race 17 3.3% American Indian / Alaska Native 12 2.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
37.1%
39.5%
41.7%
$50k – $100k
31.9%
34.4%
33.8%
$100k – $200k
9.5%
20.3%
20.1%
Over $200k
21.6%
5.9%
4.4%
Range % of households Under $10k 2.1% $15k–$25k 11.9% $25k–$35k 11.3% $35k–$50k 8.8% $50k–$75k 13.9% $75k–$100k 8.2% $100k–$150k 7.7% $150k–$200k 10.8% $200k+ 25.3% Median income $83,750
Housing
Housing overview
Metric Value Median home value $113,800 Median rent / month $775 Owner occupied 86.1% Renter occupied 13.9% Vacant 2.0% Single-family detached 91.9% Large apartment buildings 0.0% Mobile homes 7.1% Median rooms 6.4 Avg household size (owned) 2.44
Year built
Era % 2020 or later 0.0% 2010–2019 2.5% 2000–2009 4.5% 1990–1999 3.5% 1980–1989 10.6% 1970–1979 7.6% 1960–1969 26.3% 1950–1959 1.5% 1940–1949 2.5% 1939 or earlier 40.9%
Bedrooms
Size % of units No bedroom (studio) 0.5% 1 bedroom 3.5% 2 bedrooms 19.7% 3 bedrooms 34.8% 4 bedrooms 36.9% 5+ bedrooms 4.5%
Vehicles per household
Vehicles % of households No vehicle 1.0% 1 vehicle 15.5% 2 vehicles 28.4% 3 or more 55.2%
Heating fuel
Fuel type % Utility gas 5.7% Electricity 9.3% Propane / LP gas 60.8% Fuel oil 1.0% Wood 3.6% No fuel used 3.1%
Households & families
Household type Count % Married-couple family 130 67.0% Cohabiting couple 13 6.7% Male householder, no spouse 36 18.6% Female householder, no spouse 15 7.7% Households with children under 18 74 38.1% Households with seniors (65+) 53 27.3% Average household size 2.44
Marital status
Status Male Female Never married 12.4% 10.2% Married 67.7% 73.1% Separated 0.0% 0.0% Widowed 4.8% 5.4% Divorced 15.1% 11.4%
Education
Some college, no degree
19.9%
Graduate / professional
2.1%
Metric % HS diploma or higher 96.7% Bachelor's or higher 30.8%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 3 2.5% Kindergarten 5 4.1% Elementary school 91 75.2% High school 18 14.9% College / grad school 4 3.3%
Employment
Industry of employment
Agriculture & mining
23.1%
Education & healthcare
9.2%
Public administration
7.9%
Arts, food & hospitality
4.8%
Transportation & utilities
4.4%
Finance & real estate
3.5%
Occupation
Category % Management, business & arts 42.4% Service 7.4% Sales & office 27.1% Natural resources & construction 12.2% Production & transportation 10.9%
Employment type
Type % Private sector 73.4% Government 11.8% Self-employed 6.6% Unpaid family workers 8.3%
Commute
Method % Drive alone 82.6% Carpool 9.1% Public transit 0.0% Walk 0.0% Work from home 8.3% Other means 0.0% Avg commute (minutes) 21.1
Poverty
Married-couple families
0.8%
Female-led households
10.0%
Income support
Source % of households Social Security 31.4% Retirement income 17.0% Supplemental Security 6.2% Cash public assistance 0.5% Food stamps / SNAP 10.8%
Health indicators
Condition % Obesity 33.4% High blood pressure 31.9% High cholesterol 30.1% Diabetes 9.8% Heart disease 7.1% Stroke 3.3% Asthma 9.2% Arthritis 24.9% Kidney disease 3.0% Pulmonary disease 6.7% Cancer 7.0%
Behavior / access % Smoking 20.8% Binge drinking 19.6% No physical activity 24.0% Less than 7 hrs sleep 28.7% Depression 15.9% Fair or poor health 12.7% Poor mental health 11.1% Poor physical health 9.7% No health insurance 12.6% Visited doctor (checkup) 74.0% Visited dentist 64.3% Cholesterol screening 88.7% Teeth loss 14.9%
Veterans & disability
Veterans Count % Civilian veterans 30 8.8%
Disability % Any disability 15.5% Under 18 4.5% 18–64 years 14.9% 65 and over 36.4%
Health insurance coverage
Type % Private insurance 72.8% Public insurance 31.2% No insurance 7.2% Uninsured under 19 1.5%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 458 96.8% Spanish 6 1.3% Other Indo-European 6 1.3% Asian & Pacific Islander 0 0.0% Other languages 0 0.0%
Place of birth & citizenship
Origin Count % Native born (US) 450 95.1% Born in same state 450 95.1% Born in different state 330 69.8% Foreign born 0 0.0% Naturalized citizen 23 4.9% Not a US citizen 13 56.5%
Ancestry
Ancestry Count % French 106 22.4% Polish 48 10.1% English 42 8.9% Italian 40 8.5%
Ancestry Count % Arab 21 4.4% Dutch 8 1.7% German 3 0.6%
Technology access
Metric % of households Computer access 41.0% Internet access 90.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57024
What city is ZIP code 57024 in?
ZIP code 57024 is primarily assigned to Egan, South Dakota.
What county is ZIP code 57024 in?
ZIP code 57024 falls within Moody County, South Dakota.
Is ZIP code 57024 mostly owner-occupied?
86% of occupied units in ZIP code 57024 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 57024?
The median home value in ZIP code 57024 is $113,800.
What is the population of ZIP code 57024?
ZIP code 57024 has an estimated population of 473 residents, with a density of 16 people per square mile.
What is the median household income in ZIP code 57024?
The median household income in ZIP code 57024 is $83,750, above the national median of ~$75,000.
What timezone is ZIP code 57024 in?
ZIP code 57024 observes the CST timezone.
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