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South Dakota ZIP Codes
Charles Mix County
Geddes, SD
57342
57342 ZIP Code — Geddes, SD
Charles Mix County, South Dakota
ZIP code 57342 is located in
Geddes ,
South Dakota ,
within Charles Mix County .
It covers approximately 159.02 square miles and serves a population of
298 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57342
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 $87,900. Owner-occupancy is high at 96%, well above the national average.
Median household income is $63,167. The poverty rate of 7% is below the national average. 39% 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 19 minutes is near the national average.
Educational attainment is near the national average, with 29% of residents holding a bachelor's degree or higher.
Notable community characteristics include a notable veteran presence at 15% of civilians, above the national average of 7%.
Overall, ZIP code 57342 reflects a community defined by a strong veteran community, high homeownership, and a significant Social Security-dependent population.
57342 ZIP code map
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Cities in ZIP code 57342
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
298
Population density
2 / sq mi
State FIPS
46
County FIPS
023
Geography
Land area
159.02 sq mi
Water area
8.87 sq mi
Latitude
43.2236
Longitude
-98.6910
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
46.7%
48.4%
41.7%
$50k – $100k
38.3%
33.7%
33.8%
$100k – $200k
15.0%
13.5%
20.1%
Over $200k
0.0%
4.4%
4.4%
Demographics & statistics
$63,167
Median household income
29.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 59 19.8%
18 and over 239 80.2%
65 and over 72 24.2%
Median age 53.4 years
Race & ethnicity
Group Count %
White 282 93.1%
Two or more races 16 5.3%
Hispanic or Latino 5 1.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
46.7%
48.4%
41.7%
$50k – $100k
38.3%
33.7%
33.8%
$100k – $200k
15.0%
13.5%
20.1%
Over $200k
0.0%
4.4%
4.4%
Range % of households
Under $10k 2.2%
$10k–$15k 4.5%
$15k–$25k 5.2%
$25k–$35k 10.4%
$35k–$50k 18.7%
$50k–$75k 25.4%
$75k–$100k 9.0%
$100k–$150k 10.4%
$150k–$200k 13.4%
$200k+ 0.7%
Median income $63,167
Housing
Housing overview
Metric Value
Median home value $87,900
Median rent / month $0
Owner occupied 96.3%
Renter occupied 3.7%
Vacant 51.4%
Single-family detached 94.9%
Large apartment buildings 0.0%
Mobile homes 5.1%
Median rooms 6.9
Avg household size (owned) 2.27
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 1.4%
1990–1999 2.5%
1980–1989 5.1%
1970–1979 12.3%
1960–1969 3.3%
1950–1959 6.2%
1940–1949 5.8%
1939 or earlier 63.4%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 3.6%
2 bedrooms 28.6%
3 bedrooms 23.6%
4 bedrooms 35.1%
5+ bedrooms 9.1%
Vehicles per household
Vehicles % of households
No vehicle 9.0%
1 vehicle 12.7%
2 vehicles 37.3%
3 or more 41.0%
Heating fuel
Fuel type %
Utility gas 7.5%
Electricity 28.4%
Propane / LP gas 50.0%
Fuel oil 6.7%
Wood 6.0%
Households & families
Household type Count %
Married-couple family 72 53.7%
Cohabiting couple 1 0.7%
Male householder, no spouse 44 32.8%
Female householder, no spouse 17 12.7%
Households with children under 18 23 17.2%
Households with seniors (65+) 53 39.6%
Average household size 2.22
Marital status
Status Male Female
Never married 17.6% 27.9%
Married 60.8% 59.6%
Separated 0.0% 0.0%
Widowed 6.4% 8.8%
Divorced 15.2% 3.7%
Education
Some college, no degree
19.4%
Graduate / professional
4.6%
Metric %
HS diploma or higher 99.5%
Bachelor's or higher 29.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 9 15.8%
Kindergarten 6 10.5%
Elementary school 7 12.3%
High school 32 56.1%
College / grad school 3 5.3%
Employment
Industry of employment
Agriculture & mining
32.2%
Education & healthcare
21.0%
Finance & real estate
10.5%
Public administration
7.0%
Arts, food & hospitality
2.8%
Professional & management
2.1%
Occupation
Category %
Management, business & arts 58.0%
Service 9.1%
Sales & office 21.0%
Natural resources & construction 9.1%
Production & transportation 2.8%
Employment type
Type %
Private sector 39.9%
Government 21.7%
Self-employed 37.1%
Unpaid family workers 1.4%
Commute
Method %
Drive alone 71.3%
Carpool 6.3%
Public transit 0.0%
Walk 4.2%
Work from home 18.2%
Other means 0.0%
Avg commute (minutes) 18.5
Poverty
Married-couple families
1.4%
Female-led households
0.0%
Income support
Source % of households
Social Security 38.8%
Retirement income 29.9%
Supplemental Security 0.0%
Cash public assistance 6.7%
Food stamps / SNAP 0.7%
Health indicators
Condition %
Obesity 33.7%
High blood pressure 35.3%
High cholesterol 33.9%
Diabetes 10.7%
Heart disease 8.5%
Stroke 3.9%
Asthma 8.8%
Arthritis 26.2%
Kidney disease 3.5%
Pulmonary disease 7.4%
Cancer 8.1%
Behavior / access %
Smoking 19.1%
Binge drinking 18.3%
No physical activity 25.1%
Less than 7 hrs sleep 31.0%
Depression 14.9%
Fair or poor health 13.6%
Poor mental health 10.5%
Poor physical health 10.2%
No health insurance 12.4%
Visited doctor (checkup) 76.4%
Visited dentist 65.8%
Cholesterol screening 89.2%
Teeth loss 15.8%
Veterans & disability
Veterans Count %
Civilian veterans 35 14.6%
Disability %
Any disability 17.4%
Under 18 0.0%
18–64 years 12.6%
65 and over 43.1%
Health insurance coverage
Type %
Private insurance 78.2%
Public insurance 46.6%
No insurance 5.0%
Uninsured under 19 17.9%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 274 91.9%
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) 294 98.7%
Born in same state 294 98.7%
Born in different state 250 83.9%
Foreign born 0 0.0%
Naturalized citizen 4 1.3%
Not a US citizen 3 75.0%
Ancestry
Ancestry Count %
English 34 11.4%
French 20 6.7%
Italian 17 5.7%
Ancestry Count %
Arab 14 4.7%
Polish 7 2.3%
Technology access
Metric % of households
Computer access 45.0%
Internet access 84.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57342
What city is ZIP code 57342 in?
ZIP code 57342 is primarily assigned to Geddes, South Dakota.
What county is ZIP code 57342 in?
ZIP code 57342 falls within Charles Mix County, South Dakota.
Is ZIP code 57342 mostly owner-occupied?
96% of occupied units in ZIP code 57342 are owner-occupied, well above the national average.
Does ZIP code 57342 have a large veteran population?
15% of civilians in ZIP code 57342 are veterans, above the national average of ~7%.
Does ZIP code 57342 have a large retiree population?
39% of households in ZIP code 57342 receive Social Security income, suggesting a significant retiree or disability population.
What is the typical home value in ZIP code 57342?
The median home value in ZIP code 57342 is $87,900.
What timezone is ZIP code 57342 in?
ZIP code 57342 observes the CST timezone.
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