57385 ZIP Code — Woonsocket, SD

Sanborn County, South Dakota

ZIP code 57385 is located in Woonsocket, South Dakota, within Sanborn County. It covers approximately 235.03 square miles and serves a population of 1,335 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57385

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 $138,900. Owner-occupancy sits near the national average at 74%.

Median household income is $51,950. 46% 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 17 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 57385 reflects a community defined by a trades-oriented workforce and a significant Social Security-dependent population.

1,335
population
235.03
sq mi land
Standard
ZIP type
Central (CT)
timezone
57385 ZIP code map
Cities in ZIP code 57385

Below are the cities the US Postal Service accepts for ZIP code 57385. Using any city not on this list may result in mail delivery delays.

City Status
Woonsocket Preferred
Nearby ZIP codes
57312 Alpena (10.8 mi) 57359 Letcher (11.7 mi) 57314 Artesian (14.6 mi)
Demographics updated 05/2026
Population
Total population 1,335
Population density 6 / sq mi
State FIPS 46
County FIPS 111
Geography
Land area 235.03 sq mi
Water area 1.35 sq mi
Latitude 44.0595
Longitude -98.2715
Timezone Central (CT)
Area code 605
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 51.3% 44.1% 41.7%
$50k – $100k 31.3% 35.9% 33.8%
$100k – $200k 15.1% 16.6% 20.1%
Over $200k 2.4% 3.5% 4.4%

Demographics & statistics

1,335
Population
6
People per sq mi
44.5
Median age
$51,950
Median household income
$33,074
Per capita income
$138,900
Median home value
$425
Median monthly rent
73.9%
Home ownership
10.6%
Poverty rate
1.9%
Unemployment
561
Housing units
16.7%
Bachelor's or higher

Age distribution

Male Female
65
Under 5
64
40
5–9
40
38
10–14
38
47
15–19
46
20
20–24
19
46
25–34
46
85
35–44
84
45
45–54
44
42
55–59
42
48
60–64
48
127
65–74
125
37
75–84
37
31
85+
31
← Male
Female →

Age summary

GroupCount%
Under 1833224.9%
18 and over1,00375.1%
65 and over38829.1%
Median age44.5 years

Race & ethnicity

White 95%
Two or more races 2.7%
Hispanic or Latino 1.5%
Other race 0.8%
GroupCount%
White1,28795%
Two or more races372.7%
Hispanic or Latino201.5%
Other race110.8%

Household income

Income range This ZIP County avg State avg
Under $50k 51.3% 44.1% 41.7%
$50k – $100k 31.3% 35.9% 33.8%
$100k – $200k 15.1% 16.6% 20.1%
Over $200k 2.4% 3.5% 4.4%
Under $10k 3.3%
$10k–$15k 12.2%
$15k–$25k 4.5%
$25k–$35k 9.0%
$35k–$50k 17.6%
$50k–$75k 17.2%
$75k–$100k 12.3%
$100k–$150k 16.7%
$150k–$200k 4.5%
$200k+ 2.6%
Range% of households
Under $10k3.3%
$10k–$15k12.2%
$15k–$25k4.5%
$25k–$35k9.0%
$35k–$50k17.6%
$50k–$75k17.2%
$75k–$100k12.3%
$100k–$150k16.7%
$150k–$200k4.5%
$200k+2.6%
Median income$51,950

Housing

Home values

Under $50k 10.1%
$50k–$100k 24.7%
$100k–$150k 20.9%
$150k–$200k 16.7%
$200k–$300k 11.3%
$300k–$500k 3.8%
$500k–$1M 12.5%

Housing overview

MetricValue
Median home value$138,900
Median rent / month$425
Owner occupied73.9%
Renter occupied26.1%
Vacant19.1%
Single-family detached77.8%
Large apartment buildings0.0%
Mobile homes7.5%
Median rooms6.3
Avg household size (owned)2.26

Year built

Era%
2020 or later0.0%
2010–20194.6%
2000–200917.0%
1990–19993.9%
1980–19896.6%
1970–19799.6%
1960–19698.2%
1950–19593.1%
1940–19495.8%
1939 or earlier41.2%

Bedrooms

Size% of units
No bedroom (studio)1.8%
1 bedroom13.4%
2 bedrooms19.5%
3 bedrooms28.4%
4 bedrooms30.1%
5+ bedrooms6.8%

Vehicles per household

Vehicles% of households
No vehicle8.2%
1 vehicle16.2%
2 vehicles30.6%
3 or more45.0%

Heating fuel

Fuel type%
Utility gas0.3%
Electricity38.4%
Propane / LP gas54.6%
Fuel oil1.9%
Wood2.6%
No fuel used0.5%

Households & families

Household typeCount%
Married-couple family25644.5%
Cohabiting couple213.7%
Male householder, no spouse17831.0%
Female householder, no spouse12020.9%
Households with children under 1814024.3%
Households with seniors (65+)25243.8%
Average household size2.22

Marital status

StatusMaleFemale
Never married29.1%24.3%
Married51.1%48.4%
Separated0.0%0.0%
Widowed11.6%17.3%
Divorced8.3%10.0%

Education

Less than 9th grade 3.3%
Some HS, no diploma 7.0%
HS graduate 47.8%
Some college, no degree 17.5%
Associate's degree 7.7%
Bachelor's degree 10.6%
Graduate / professional 6.1%
Metric%
HS diploma or higher89.8%
Bachelor's or higher16.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool3312.0%
Kindergarten2910.5%
Elementary school8631.2%
High school8530.8%
College / grad school4315.6%

Employment

Industry of employment

Education & healthcare 22.4%
Agriculture & mining 18.0%
Manufacturing 10.8%
Retail trade 8.4%
Finance & real estate 7.8%
Wholesale trade 7.7%
Public administration 6.6%
Other services 5.1%
Construction 4.5%
Arts, food & hospitality 3.6%
Information 2.7%
Transportation & utilities 1.8%
Professional & management 0.5%

Occupation

Category%
Management, business & arts38.0%
Service13.8%
Sales & office22.1%
Natural resources & construction15.2%
Production & transportation10.8%

Employment type

Type%
Private sector63.3%
Government18.3%
Self-employed17.9%
Unpaid family workers0.5%

Commute

Method%
Drive alone74.1%
Carpool3.4%
Public transit0.0%
Walk4.0%
Work from home18.1%
Other means0.3%
Avg commute (minutes)17.4

Poverty

All people 10.6%
Under 18 years 10.3%
18 and over 10.7%
Married-couple families 5.5%
Female-led households 16.2%

Income support

Source% of households
Social Security46.1%
Retirement income17.0%
Supplemental Security6.8%
Cash public assistance2.6%
Food stamps / SNAP8.7%

Health indicators

Condition%
Obesity33.2%
High blood pressure34.5%
High cholesterol33.4%
Diabetes9.9%
Heart disease8.1%
Stroke3.6%
Asthma8.5%
Arthritis27.0%
Kidney disease3.3%
Pulmonary disease6.5%
Cancer8.8%
Behavior / access%
Smoking16.6%
Binge drinking18.0%
No physical activity23.7%
Less than 7 hrs sleep27.1%
Depression14.6%
Fair or poor health11.9%
Poor mental health9.9%
Poor physical health9.2%
No health insurance11.3%
Visited doctor (checkup)76.2%
Visited dentist68.1%
Cholesterol screening90.6%
Teeth loss13.7%

Veterans & disability

VeteransCount%
Civilian veterans959.6%
Disability%
Any disability17.1%
Under 183.3%
18–64 years16.3%
65 and over32.4%

Health insurance coverage

Type%
Private insurance69.5%
Public insurance40.0%
No insurance3.9%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,20690.3%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,32899.5%
Born in same state1,32699.3%
Born in different state1,12284.0%
Foreign born20.1%
Naturalized citizen70.5%
Not a US citizen114.3%

Ancestry

AncestryCount%
Polish20315.2%
Arab20115.1%
Italian977.3%
French725.4%
AncestryCount%
English483.6%
German120.9%
Dutch120.9%

Technology access

Metric% of households
Computer access43.1%
Internet access87.3%

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

Frequently asked questions about ZIP code 57385

What city is ZIP code 57385 in?

ZIP code 57385 is primarily assigned to Woonsocket, South Dakota.

What county is ZIP code 57385 in?

ZIP code 57385 falls within Sanborn County, South Dakota.

Does ZIP code 57385 have an older population?

29% of residents in ZIP code 57385 are 65 or older, above the national average of ~17%.

Does ZIP code 57385 have a large retiree population?

46% of households in ZIP code 57385 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 57385?

The median home value in ZIP code 57385 is $138,900.

Does ZIP code 57385 have a large veteran population?

10% of civilians in ZIP code 57385 are veterans, above the national average of ~7%.

What timezone is ZIP code 57385 in?

ZIP code 57385 observes the CST timezone.

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