57237 ZIP Code — Gary, SD

Deuel County, South Dakota

ZIP code 57237 is located in Gary, South Dakota, within Deuel County. It covers approximately 98.49 square miles and serves a population of 691 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57237

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 $200,000. Owner-occupancy is high at 90%, well above the national average.

Median household income is $81,349. The poverty rate of 2% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 30 minutes is near the national average.

Educational attainment is near the national average, with 22% of residents holding a bachelor's degree or higher.

691
population
98.49
sq mi land
Standard
ZIP type
Central (CT)
timezone
57237 ZIP code map
Cities in ZIP code 57237

Below are the cities the US Postal Service accepts for ZIP code 57237. Using any city not on this list may result in mail delivery delays.

City Status
Gary Preferred
Nearby ZIP codes
57259 Revillo (10.6 mi) 57226 Clear Lake (10.9 mi) 56257 Marietta (11.7 mi) 57218 Brandt (13.4 mi) 57238 Goodwin (14.8 mi) 56220 Canby (16.7 mi) 57213 Astoria (19.5 mi)
Demographics updated 05/2026
Population
Total population 691
Population density 7 / sq mi
State FIPS 46
County FIPS 039
Geography
Land area 98.49 sq mi
Water area 2.38 sq mi
Latitude 44.8476
Longitude -96.5450
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 38.5% 33.9% 41.7%
$50k – $100k 24.0% 40.3% 33.8%
$100k – $200k 30.5% 24.2% 20.1%
Over $200k 6.9% 1.6% 4.4%

Demographics & statistics

691
Population
7
People per sq mi
43.3
Median age
$81,349
Median household income
$42,706
Per capita income
$200,000
Median home value
$446
Median monthly rent
89.8%
Home ownership
2.3%
Poverty rate
2.1%
Unemployment
313
Housing units
22.3%
Bachelor's or higher

Age distribution

Male Female
22
Under 5
21
15
5–9
14
19
10–14
18
41
15–19
39
11
20–24
11
24
25–34
24
55
35–44
53
30
45–54
29
48
55–59
46
22
60–64
22
40
65–74
39
22
75–84
21
3
85+
2
← Male
Female →

Age summary

GroupCount%
Under 1817625.5%
18 and over51574.5%
65 and over12718.4%
Median age43.3 years

Race & ethnicity

White 97.8%
Hispanic or Latino 0.9%
Other race 0.9%
Two or more races 0.4%
GroupCount%
White68297.8%
Hispanic or Latino60.9%
Other race60.9%
Two or more races30.4%

Household income

Income range This ZIP County avg State avg
Under $50k 38.5% 33.9% 41.7%
$50k – $100k 24.0% 40.3% 33.8%
$100k – $200k 30.5% 24.2% 20.1%
Over $200k 6.9% 1.6% 4.4%
Under $10k 1.4%
$10k–$15k 1.4%
$15k–$25k 10.2%
$25k–$35k 4.9%
$35k–$50k 8.5%
$50k–$75k 14.8%
$75k–$100k 17.3%
$100k–$150k 22.3%
$150k–$200k 8.1%
$200k+ 11.0%
Range% of households
Under $10k1.4%
$10k–$15k1.4%
$15k–$25k10.2%
$25k–$35k4.9%
$35k–$50k8.5%
$50k–$75k14.8%
$75k–$100k17.3%
$100k–$150k22.3%
$150k–$200k8.1%
$200k+11.0%
Median income$81,349

Housing

Home values

Under $50k 15.0%
$50k–$100k 24.4%
$100k–$150k 9.8%
$150k–$200k 0.8%
$200k–$300k 28.0%
$300k–$500k 9.1%
$500k–$1M 13.0%

Housing overview

MetricValue
Median home value$200,000
Median rent / month$446
Owner occupied89.8%
Renter occupied10.2%
Vacant17.3%
Single-family detached92.1%
Large apartment buildings0.0%
Mobile homes2.9%
Median rooms6.0
Avg household size (owned)2.52

Year built

Era%
2020 or later3.2%
2010–20192.9%
2000–200915.2%
1990–199917.8%
1980–19894.7%
1970–19795.6%
1960–19696.1%
1950–19592.0%
1940–194914.3%
1939 or earlier28.1%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom9.6%
2 bedrooms19.0%
3 bedrooms46.5%
4 bedrooms15.2%
5+ bedrooms9.6%

Vehicles per household

Vehicles% of households
No vehicle0.4%
1 vehicle15.9%
2 vehicles39.2%
3 or more44.5%

Heating fuel

Fuel type%
Utility gas1.1%
Electricity28.6%
Propane / LP gas66.8%
Wood3.5%

Households & families

Household typeCount%
Married-couple family17060.1%
Cohabiting couple134.6%
Male householder, no spouse6121.6%
Female householder, no spouse3913.8%
Households with children under 1812142.8%
Households with seniors (65+)9834.6%
Average household size2.44

Marital status

StatusMaleFemale
Never married23.7%18.4%
Married60.3%67.4%
Separated3.7%0.0%
Widowed2.7%8.2%
Divorced9.7%6.0%

Education

Less than 9th grade 0.4%
Some HS, no diploma 3.5%
HS graduate 43.3%
Some college, no degree 19.2%
Associate's degree 11.3%
Bachelor's degree 19.2%
Graduate / professional 3.1%
Metric%
HS diploma or higher96.0%
Bachelor's or higher22.3%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool42.4%
Kindergarten31.8%
Elementary school6136.1%
High school8047.3%
College / grad school2112.4%

Employment

Industry of employment

Education & healthcare 26.8%
Manufacturing 14.1%
Retail trade 14.1%
Transportation & utilities 10.5%
Construction 9.5%
Other services 7.8%
Finance & real estate 4.4%
Agriculture & mining 4.1%
Professional & management 3.9%
Arts, food & hospitality 3.9%
Public administration 0.7%

Occupation

Category%
Management, business & arts27.8%
Service17.1%
Sales & office23.4%
Natural resources & construction8.8%
Production & transportation22.9%

Employment type

Type%
Private sector75.6%
Government8.3%
Self-employed15.9%
Unpaid family workers0.2%

Commute

Method%
Drive alone75.5%
Carpool8.0%
Public transit0.0%
Walk3.5%
Work from home5.3%
Other means7.8%
Avg commute (minutes)29.6

Poverty

All people 2.3%
Under 18 years 2.3%
18 and over 2.3%
Married-couple families 0.6%
Female-led households 0.0%

Income support

Source% of households
Social Security24.7%
Retirement income18.0%
Supplemental Security4.2%
Cash public assistance0.7%
Food stamps / SNAP0.7%

Health indicators

Condition%
Obesity35.4%
High blood pressure33.9%
High cholesterol34.7%
Diabetes10.2%
Heart disease8.0%
Stroke3.5%
Asthma8.6%
Arthritis27.5%
Kidney disease3.3%
Pulmonary disease6.9%
Cancer8.5%
Behavior / access%
Smoking18.2%
Binge drinking18.3%
No physical activity24.1%
Less than 7 hrs sleep27.8%
Depression15.0%
Fair or poor health12.0%
Poor mental health9.7%
Poor physical health9.4%
No health insurance11.1%
Visited doctor (checkup)76.4%
Visited dentist68.2%
Cholesterol screening91.4%
Teeth loss12.6%

Veterans & disability

VeteransCount%
Civilian veterans305.8%
Disability%
Any disability4.3%
Under 180.0%
18–64 years3.4%
65 and over13.4%

Health insurance coverage

Type%
Private insurance84.5%
Public insurance21.4%
No insurance4.8%
Uninsured under 192.2%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only64893.8%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)69099.9%
Born in same state69099.9%
Born in different state26638.5%
Foreign born00.0%
Naturalized citizen10.1%
Not a US citizen00.0%

Ancestry

AncestryCount%
Polish20730%
French497.1%
Italian446.4%
AncestryCount%
English273.9%
Arab233.3%
Dutch71%

Technology access

Metric% of households
Computer access41.0%
Internet access90.8%

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

Frequently asked questions about ZIP code 57237

What city is ZIP code 57237 in?

ZIP code 57237 is primarily assigned to Gary, South Dakota.

What county is ZIP code 57237 in?

ZIP code 57237 falls within Deuel County, South Dakota.

Is ZIP code 57237 mostly owner-occupied?

90% of occupied units in ZIP code 57237 are owner-occupied, well above the national average.

What is the population of ZIP code 57237?

ZIP code 57237 has an estimated population of 691 residents, with a density of 7 people per square mile.

What is the typical home value in ZIP code 57237?

The median home value in ZIP code 57237 is $200,000.

What is the median household income in ZIP code 57237?

The median household income in ZIP code 57237 is $81,349, above the national median of ~$75,000.

What timezone is ZIP code 57237 in?

ZIP code 57237 observes the CST timezone.

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