57424 ZIP Code — Ashton, SD

Spink County, South Dakota

ZIP code 57424 is located in Ashton, South Dakota, within Spink County. It covers approximately 166.62 square miles and serves a population of 306 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57424

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Owner-occupancy is high at 91%, well above the national average.

Median household income is $70,500. The poverty rate of 5% is below the national average.

The dominant occupation class is service, with agriculture and mining as the leading industry. The average commute of 17 minutes is near the national average. Remote work is prevalent — 41% of workers work from home.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 57424 reflects a community defined by a trades-oriented workforce, high homeownership, and a high rate of remote workers.

306
population
166.62
sq mi land
Standard
ZIP type
Central (CT)
timezone
57424 ZIP code map
Cities in ZIP code 57424

Below are the cities the US Postal Service accepts for ZIP code 57424. Using any city not on this list may result in mail delivery delays.

City Status
Ashton Acceptable
Ashton Preferred
Nearby ZIP codes
57461 Mellette (10.5 mi) 57469 Redfield (10.6 mi) 57465 Northville (13.5 mi) 57440 Frankfort (17 mi) 57470 Rockham (19 mi) 57477 Turton (19 mi) 57460 Mansfield (19.5 mi)
Demographics updated 06/2026
Population
Total population 306
Population density 2 / sq mi
State FIPS 46
County FIPS 115
Geography
Land area 166.62 sq mi
Water area 0.25 sq mi
Latitude 45.0135
Longitude -98.4927
Timezone Central (CT)
Area code 605
Total population by age
Gender
Race & ethnicity
Economics updated 06/2026
Household income
Income range This ZIP County avg State avg
Under $50k 42.6% 39.1% 41.7%
$50k – $100k 29.5% 33.1% 33.8%
$100k – $200k 23.0% 20.0% 20.1%
Over $200k 4.9% 7.8% 4.4%

Demographics & statistics

306
Population
2
People per sq mi
38.6
Median age
$70,500
Median household income
$32,590
Per capita income
$0
Median home value
$0
Median monthly rent
91.2%
Home ownership
4.6%
Poverty rate
0.0%
Unemployment
124
Housing units
15.9%
Bachelor's or higher

Age distribution

Male Female
19
Under 5
22
4
5–9
4
8
10–14
9
15
15–19
17
0
20–24
1
19
25–34
23
16
35–44
19
17
45–54
19
5
55–59
6
17
60–64
20
11
65–74
13
6
75–84
8
4
85+
4
← Male
Female →

Age summary

GroupCount%
Under 188527.8%
18 and over22172.2%
65 and over4615.0%
Median age38.6 years

Race & ethnicity

White 99%
Two or more races 1%
GroupCount%
White30399%
Two or more races31%

Household income

Income range This ZIP County avg State avg
Under $50k 42.6% 39.1% 41.7%
$50k – $100k 29.5% 33.1% 33.8%
$100k – $200k 23.0% 20.0% 20.1%
Over $200k 4.9% 7.8% 4.4%
$10k–$15k 3.5%
$15k–$25k 5.3%
$25k–$35k 2.6%
$35k–$50k 23.7%
$50k–$75k 18.4%
$75k–$100k 20.2%
$100k–$150k 12.3%
$150k–$200k 6.1%
$200k+ 7.9%
Range% of households
$10k–$15k3.5%
$15k–$25k5.3%
$25k–$35k2.6%
$35k–$50k23.7%
$50k–$75k18.4%
$75k–$100k20.2%
$100k–$150k12.3%
$150k–$200k6.1%
$200k+7.9%
Median income$70,500

Housing

Home values

Under $50k 38.5%
$50k–$100k 13.5%
$100k–$150k 9.6%
$150k–$200k 6.7%
$200k–$300k 2.9%
$300k–$500k 11.5%
$500k–$1M 17.3%

Housing overview

MetricValue
Median home value$0
Median rent / month$0
Owner occupied91.2%
Renter occupied8.8%
Vacant14.9%
Single-family detached91.0%
Large apartment buildings0.0%
Mobile homes7.5%
Median rooms6.9
Avg household size (owned)2.81

Year built

Era%
2020 or later0.0%
2010–20193.7%
2000–200917.2%
1990–199911.2%
1980–19893.7%
1970–19791.5%
1960–196910.4%
1950–19590.7%
1940–19497.5%
1939 or earlier44.0%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom4.5%
2 bedrooms14.9%
3 bedrooms48.5%
4 bedrooms17.2%
5+ bedrooms14.9%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle14.9%
2 vehicles23.7%
3 or more61.4%

Heating fuel

Fuel type%
Utility gas2.6%
Electricity34.2%
Propane / LP gas60.5%
Wood1.8%

Households & families

Household typeCount%
Married-couple family8070.2%
Cohabiting couple97.9%
Male householder, no spouse87.0%
Female householder, no spouse1714.9%
Households with children under 184236.8%
Households with seniors (65+)3228.1%
Average household size2.68

Marital status

StatusMaleFemale
Never married17.8%18.0%
Married63.6%68.0%
Separated0.0%0.0%
Widowed17.8%4.1%
Divorced0.8%9.8%

Education

Less than 9th grade 0.0%
Some HS, no diploma 4.8%
HS graduate 46.4%
Some college, no degree 15.5%
Associate's degree 17.4%
Bachelor's degree 13.5%
Graduate / professional 2.4%
Metric%
HS diploma or higher95.2%
Bachelor's or higher15.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool814.3%
Kindergarten00.0%
Elementary school1119.6%
High school3053.6%
College / grad school712.5%

Employment

Industry of employment

Agriculture & mining 32.3%
Public administration 18.9%
Other services 12.8%
Education & healthcare 9.8%
Retail trade 9.1%
Construction 4.3%
Transportation & utilities 3.7%
Information 3.0%
Professional & management 2.4%
Wholesale trade 1.8%
Arts, food & hospitality 1.8%

Occupation

Category%
Management, business & arts27.4%
Service36.0%
Sales & office11.0%
Natural resources & construction15.9%
Production & transportation9.8%

Employment type

Type%
Private sector57.3%
Government28.7%
Self-employed3.0%
Unpaid family workers11.0%

Commute

Method%
Drive alone40.4%
Carpool18.6%
Public transit0.0%
Walk0.0%
Work from home41.0%
Other means0.0%
Avg commute (minutes)17.1

Poverty

All people 4.6%
Under 18 years 7.1%
18 and over 3.6%
Married-couple families 0.0%
Female-led households 100.0%

Income support

Source% of households
Social Security24.6%
Retirement income14.0%
Supplemental Security0.0%
Cash public assistance0.0%
Food stamps / SNAP3.5%

Health indicators

Condition%
Obesity35.4%
High blood pressure33.0%
High cholesterol35.5%
Diabetes9.8%
Heart disease7.5%
Stroke3.3%
Asthma8.6%
Arthritis25.9%
Kidney disease3.1%
Pulmonary disease6.4%
Cancer8.0%
Behavior / access%
Smoking17.0%
Binge drinking19.0%
No physical activity22.8%
Less than 7 hrs sleep27.4%
Depression15.2%
Fair or poor health11.4%
Poor mental health10.0%
Poor physical health9.1%
No health insurance10.7%
Visited doctor (checkup)75.4%
Visited dentist69.8%
Cholesterol screening90.9%
Teeth loss12.9%

Veterans & disability

VeteransCount%
Civilian veterans209.0%
Disability%
Any disability3.3%
Under 180.0%
18–64 years0.6%
65 and over19.6%

Health insurance coverage

Type%
Private insurance74.5%
Public insurance27.8%
No insurance6.5%
Uninsured under 198.6%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only26586.6%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)306100.0%
Born in same state306100.0%
Born in different state28392.5%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian103.3%
English82.6%
Polish72.3%
AncestryCount%
Dutch72.3%
French20.7%
Arab20.7%

Technology access

Metric% of households
Computer access37.3%
Internet access85.1%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 57424

What city is ZIP code 57424 in?

ZIP code 57424 is primarily assigned to Ashton, South Dakota.

What county is ZIP code 57424 in?

ZIP code 57424 falls within Spink County, South Dakota.

Is ZIP code 57424 mostly owner-occupied?

91% of occupied units in ZIP code 57424 are owner-occupied, well above the national average.

What is the population of ZIP code 57424?

ZIP code 57424 has an estimated population of 306 residents, with a density of 2 people per square mile.

What is the median household income in ZIP code 57424?

The median household income in ZIP code 57424 is $70,500, below the national median of ~$75,000.

What timezone is ZIP code 57424 in?

ZIP code 57424 observes the CST timezone.

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