57234 ZIP Code — Estelline, SD

Hamlin County, South Dakota

ZIP code 57234 is located in Estelline, South Dakota, within Hamlin County. It covers approximately 102.26 square miles and serves a population of 1,372 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57234

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 $154,100. Owner-occupancy is high at 87%, well above the national average.

Median household income is $75,387.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 24 minutes is near the national average.

Educational attainment is near the national average, with 24% of residents holding a bachelor's degree or higher.

1,372
population
102.26
sq mi land
Standard
ZIP type
Central (CT)
timezone
57234 ZIP code map
Cities in ZIP code 57234

Below are the cities the US Postal Service accepts for ZIP code 57234. Using any city not on this list may result in mail delivery delays.

City Status
Estelline Acceptable
Estelline Preferred
Nearby ZIP codes
57223 Castlewood (9.4 mi) 57220 Bruce (9.5 mi) 57268 Toronto (10.5 mi) 57248 Lake Norden (13.6 mi) 57218 Brandt (13.8 mi) 57226 Clear Lake (16.6 mi) 57241 Hayti (17.3 mi) 57006 Brookings (17.8 mi) 57212 Arlington (18.5 mi) 57213 Astoria (18.7 mi) 57276 White (20 mi)
Demographics updated 05/2026
Population
Total population 1,372
Population density 13 / sq mi
State FIPS 46
County FIPS 057
Geography
Land area 102.26 sq mi
Water area 4.74 sq mi
Latitude 44.5939
Longitude -96.9259
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 33.2% 30.6% 41.7%
$50k – $100k 48.0% 46.3% 33.8%
$100k – $200k 16.9% 20.9% 20.1%
Over $200k 1.9% 2.3% 4.4%

Demographics & statistics

1,372
Population
13
People per sq mi
39.6
Median age
$75,387
Median household income
$33,482
Per capita income
$154,100
Median home value
$705
Median monthly rent
86.5%
Home ownership
9.2%
Poverty rate
1.7%
Unemployment
651
Housing units
24.2%
Bachelor's or higher

Age distribution

Male Female
59
Under 5
55
52
5–9
48
59
10–14
54
51
15–19
48
26
20–24
25
66
25–34
61
96
35–44
89
103
45–54
96
47
55–59
44
23
60–64
22
80
65–74
74
26
75–84
24
23
85+
21
← Male
Female →

Age summary

GroupCount%
Under 1840629.6%
18 and over96670.4%
65 and over24818.1%
Median age39.6 years

Race & ethnicity

White 88%
Two or more races 6.7%
Hispanic or Latino 3%
American Indian / Alaska Native 1.4%
Asian 0.6%
Other race 0.3%
GroupCount%
White1,24588%
Two or more races956.7%
Hispanic or Latino423%
American Indian / Alaska Native201.4%
Asian80.6%
Other race40.3%

Household income

Income range This ZIP County avg State avg
Under $50k 33.2% 30.6% 41.7%
$50k – $100k 48.0% 46.3% 33.8%
$100k – $200k 16.9% 20.9% 20.1%
Over $200k 1.9% 2.3% 4.4%
Under $10k 3.1%
$10k–$15k 2.5%
$15k–$25k 5.7%
$25k–$35k 10.4%
$35k–$50k 9.4%
$50k–$75k 17.6%
$75k–$100k 25.4%
$100k–$150k 13.7%
$150k–$200k 6.8%
$200k+ 5.3%
Range% of households
Under $10k3.1%
$10k–$15k2.5%
$15k–$25k5.7%
$25k–$35k10.4%
$35k–$50k9.4%
$50k–$75k17.6%
$75k–$100k25.4%
$100k–$150k13.7%
$150k–$200k6.8%
$200k+5.3%
Median income$75,387

Housing

Home values

Under $50k 5.0%
$50k–$100k 25.3%
$100k–$150k 17.4%
$150k–$200k 18.8%
$200k–$300k 14.3%
$300k–$500k 12.2%
$500k–$1M 5.2%
$1M+ 1.8%

Housing overview

MetricValue
Median home value$154,100
Median rent / month$705
Owner occupied86.5%
Renter occupied13.5%
Vacant29.0%
Single-family detached92.8%
Large apartment buildings0.0%
Mobile homes1.5%
Median rooms5.5
Avg household size (owned)2.57

Year built

Era%
2020 or later1.0%
2010–201912.6%
2000–200911.3%
1990–19996.7%
1980–198910.1%
1970–197915.8%
1960–196910.0%
1950–19598.3%
1940–19496.0%
1939 or earlier18.2%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom8.2%
2 bedrooms26.9%
3 bedrooms40.0%
4 bedrooms18.6%
5+ bedrooms6.3%

Vehicles per household

Vehicles% of households
No vehicle2.2%
1 vehicle14.3%
2 vehicles40.3%
3 or more43.2%

Heating fuel

Fuel type%
Utility gas50.5%
Electricity26.4%
Propane / LP gas20.0%
Wood2.0%
No fuel used0.4%

Households & families

Household typeCount%
Married-couple family27353.4%
Cohabiting couple458.8%
Male householder, no spouse11422.3%
Female householder, no spouse7915.5%
Households with children under 1816933.1%
Households with seniors (65+)14728.8%
Average household size2.57

Marital status

StatusMaleFemale
Never married26.2%21.8%
Married56.1%54.6%
Separated0.0%1.2%
Widowed5.6%9.1%
Divorced12.0%13.3%

Education

Less than 9th grade 4.7%
Some HS, no diploma 2.3%
HS graduate 38.4%
Some college, no degree 16.1%
Associate's degree 14.2%
Bachelor's degree 18.9%
Graduate / professional 5.4%
Metric%
HS diploma or higher93.0%
Bachelor's or higher24.2%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool144.1%
Kindergarten288.3%
Elementary school16649.0%
High school9828.9%
College / grad school339.7%

Employment

Industry of employment

Education & healthcare 21.3%
Manufacturing 19.7%
Agriculture & mining 15.9%
Retail trade 9.6%
Construction 7.4%
Arts, food & hospitality 5.8%
Transportation & utilities 5.5%
Public administration 4.2%
Finance & real estate 3.6%
Professional & management 3.2%
Other services 3.2%
Information 0.4%
Wholesale trade 0.1%

Occupation

Category%
Management, business & arts41.6%
Service13.1%
Sales & office16.2%
Natural resources & construction11.2%
Production & transportation17.9%

Employment type

Type%
Private sector78.3%
Government11.5%
Self-employed9.9%
Unpaid family workers0.3%

Commute

Method%
Drive alone76.3%
Carpool10.3%
Public transit0.0%
Walk2.9%
Work from home10.4%
Other means0.0%
Avg commute (minutes)24.3

Poverty

All people 9.2%
Under 18 years 12.1%
18 and over 8.0%
Married-couple families 5.9%
Female-led households 29.5%

Income support

Source% of households
Social Security27.2%
Retirement income14.3%
Supplemental Security2.9%
Cash public assistance1.4%
Food stamps / SNAP1.8%

Health indicators

Condition%
Obesity31.8%
High blood pressure32.5%
High cholesterol32.1%
Diabetes9.5%
Heart disease7.7%
Stroke3.4%
Asthma8.2%
Arthritis26.0%
Kidney disease3.2%
Pulmonary disease6.1%
Cancer8.8%
Behavior / access%
Smoking15.9%
Binge drinking18.0%
No physical activity22.7%
Less than 7 hrs sleep26.2%
Depression14.1%
Fair or poor health11.2%
Poor mental health9.6%
Poor physical health8.6%
No health insurance12.1%
Visited doctor (checkup)74.6%
Visited dentist69.2%
Cholesterol screening90.3%
Teeth loss13.0%

Veterans & disability

VeteransCount%
Civilian veterans959.8%
Disability%
Any disability7.0%
Under 183.7%
18–64 years2.7%
65 and over27.6%

Health insurance coverage

Type%
Private insurance76.4%
Public insurance24.0%
No insurance6.4%
Uninsured under 190.5%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,25891.7%
Spanish483.8%
Other Indo-European463.7%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)1,30895.3%
Born in same state1,30895.3%
Born in different state99972.8%
Foreign born00.0%
Naturalized citizen644.7%
Not a US citizen00.0%

Ancestry

AncestryCount%
Polish34825.4%
English1339.7%
French1218.8%
Italian997.2%
AncestryCount%
Arab352.6%
Dutch181.3%
German20.1%

Technology access

Metric% of households
Computer access37.2%
Internet access91.8%

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

Frequently asked questions about ZIP code 57234

What city is ZIP code 57234 in?

ZIP code 57234 is primarily assigned to Estelline, South Dakota.

What county is ZIP code 57234 in?

ZIP code 57234 falls within Hamlin County, South Dakota.

Is ZIP code 57234 mostly owner-occupied?

87% of occupied units in ZIP code 57234 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 57234?

The median home value in ZIP code 57234 is $154,100.

Does ZIP code 57234 have a large veteran population?

10% of civilians in ZIP code 57234 are veterans, above the national average of ~7%.

What is the population of ZIP code 57234?

ZIP code 57234 has an estimated population of 1,372 residents, with a density of 13 people per square mile.

What timezone is ZIP code 57234 in?

ZIP code 57234 observes the CST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →