57269 ZIP Code — Twin Brooks, SD

Grant County, South Dakota

ZIP code 57269 is located in Twin Brooks, South Dakota, within Grant County. It covers approximately 94.05 square miles and serves a population of 179 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

179
population
94.05
sq mi land
Standard
ZIP type
Central (CT)
timezone
57269 ZIP code map
Cities in ZIP code 57269

Below are the cities the US Postal Service accepts for ZIP code 57269. Using any city not on this list may result in mail delivery delays.

City Status
Twin Brooks Preferred
Nearby ZIP codes
57251 Marvin (7.7 mi) 57264 Stockholm (8.6 mi) 57252 Milbank (10 mi) 57227 Corona (11.7 mi) 57279 Wilmot (12.7 mi) 57263 South Shore (13.2 mi) 57216 Big Stone City (13.4 mi) 57266 Summit (14.7 mi) 56278 Ortonville (15.8 mi) 57259 Revillo (19.6 mi)
Demographics updated 05/2026
Population
Total population 179
Population density 2 / sq mi
State FIPS 46
County FIPS 051
Geography
Land area 94.05 sq mi
Water area 0.02 sq mi
Latitude 45.2307
Longitude -96.8083
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 32.8% 39.8% 41.7%
$50k – $100k 43.8% 38.4% 33.8%
$100k – $200k 15.6% 15.9% 20.1%
Over $200k 7.8% 5.9% 4.4%

Demographics & statistics

179
Population
2
People per sq mi
54.3
Median age
$80,750
Median household income
$72,283
Per capita income
$241,700
Median home value
$0
Median monthly rent
97.3%
Home ownership
10.1%
Poverty rate
0.0%
Unemployment
77
Housing units
27.5%
Bachelor's or higher

Age distribution

Male Female
3
Under 5
3
1
10–14
1
11
15–19
11
7
25–34
7
7
35–44
7
16
45–54
17
9
55–59
10
11
60–64
11
19
65–74
19
4
75–84
5
← Male
Female →

Age summary

GroupCount%
Under 182715.1%
18 and over15284.9%
65 and over4726.3%
Median age54.3 years

Race & ethnicity

White 98.9%
Hispanic or Latino 0.6%
Two or more races 0.6%
GroupCount%
White17898.9%
Hispanic or Latino10.6%
Two or more races10.6%

Household income

Income range This ZIP County avg State avg
Under $50k 32.8% 39.8% 41.7%
$50k – $100k 43.8% 38.4% 33.8%
$100k – $200k 15.6% 15.9% 20.1%
Over $200k 7.8% 5.9% 4.4%
Under $10k 4.0%
$10k–$15k 1.3%
$15k–$25k 4.0%
$25k–$35k 2.7%
$35k–$50k 6.7%
$50k–$75k 13.3%
$75k–$100k 25.3%
$100k–$150k 18.7%
$200k+ 24.0%
Range% of households
Under $10k4.0%
$10k–$15k1.3%
$15k–$25k4.0%
$25k–$35k2.7%
$35k–$50k6.7%
$50k–$75k13.3%
$75k–$100k25.3%
$100k–$150k18.7%
$200k+24.0%
Median income$80,750

Housing

Home values

Under $50k 16.4%
$50k–$100k 8.2%
$100k–$150k 4.1%
$150k–$200k 4.1%
$200k–$300k 31.5%
$300k–$500k 23.3%
$500k–$1M 2.7%
$1M+ 9.6%

Housing overview

MetricValue
Median home value$241,700
Median rent / month$0
Owner occupied97.3%
Renter occupied2.7%
Vacant5.1%
Single-family detached88.6%
Large apartment buildings0.0%
Mobile homes7.6%
Median rooms7.9
Avg household size (owned)2.37

Year built

Era%
2020 or later0.0%
2010–20198.9%
2000–200924.1%
1990–19996.3%
1980–19897.6%
1970–197911.4%
1960–19695.1%
1950–19593.8%
1940–19496.3%
1939 or earlier26.6%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom1.3%
2 bedrooms19.0%
3 bedrooms26.6%
4 bedrooms36.7%
5+ bedrooms16.5%

Vehicles per household

Vehicles% of households
No vehicle0.0%
1 vehicle20.0%
2 vehicles28.0%
3 or more52.0%

Heating fuel

Fuel type%
Utility gas4.0%
Electricity36.0%
Propane / LP gas49.3%
Fuel oil4.0%
Wood6.7%

Households & families

Household typeCount%
Married-couple family6282.7%
Cohabiting couple11.3%
Male householder, no spouse810.7%
Female householder, no spouse45.3%
Households with children under 182229.3%
Households with seniors (65+)3141.3%
Average household size2.39

Marital status

StatusMaleFemale
Never married8.4%38.6%
Married83.1%60.2%
Separated0.0%0.0%
Widowed1.2%0.0%
Divorced7.2%1.1%

Education

Less than 9th grade 16.1%
Some HS, no diploma 1.3%
HS graduate 35.6%
Some college, no degree 14.1%
Associate's degree 5.4%
Bachelor's degree 24.8%
Graduate / professional 2.7%
Metric%
HS diploma or higher82.6%
Bachelor's or higher27.5%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school00.0%
High school2482.8%
College / grad school517.2%

Employment

Industry of employment

Agriculture & mining 29.7%
Manufacturing 21.2%
Education & healthcare 11.9%
Finance & real estate 7.6%
Other services 7.6%
Arts, food & hospitality 6.8%
Retail trade 5.1%
Public administration 3.4%
Wholesale trade 2.5%
Professional & management 2.5%
Construction 1.7%

Occupation

Category%
Management, business & arts41.5%
Service25.4%
Sales & office11.9%
Natural resources & construction6.8%
Production & transportation14.4%

Employment type

Type%
Private sector72.0%
Government5.9%
Self-employed22.0%
Unpaid family workers0.0%

Commute

Method%
Drive alone89.0%
Carpool2.5%
Public transit0.0%
Walk0.0%
Work from home8.5%
Other means0.0%
Avg commute (minutes)17.2

Poverty

All people 10.1%
Under 18 years 22.2%
18 and over 7.9%
Married-couple families 8.1%
Female-led households 0.0%

Income support

Source% of households
Social Security32.0%
Retirement income45.3%
Supplemental Security0.0%
Cash public assistance2.7%
Food stamps / SNAP2.7%

Health indicators

Condition%
Obesity34.8%
High blood pressure30.5%
High cholesterol30.5%
Diabetes8.7%
Heart disease6.8%
Stroke2.9%
Asthma8.7%
Arthritis24.1%
Kidney disease2.8%
Pulmonary disease5.9%
Cancer7.0%
Behavior / access%
Smoking18.6%
Binge drinking20.4%
No physical activity24.2%
Less than 7 hrs sleep28.1%
Depression15.3%
Fair or poor health10.9%
Poor mental health10.6%
Poor physical health8.7%
No health insurance12.2%
Visited doctor (checkup)74.8%
Visited dentist68.2%
Cholesterol screening88.9%
Teeth loss13.8%

Veterans & disability

VeteransCount%
Civilian veterans2214.5%
Disability%
Any disability12.3%
Under 1822.2%
18–64 years3.8%
65 and over25.5%

Health insurance coverage

Type%
Private insurance72.1%
Public insurance29.6%
No insurance9.5%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only17396.6%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)179100.0%
Born in same state179100.0%
Born in different state13776.5%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Polish4625.7%
Italian1910.6%
Dutch84.5%
AncestryCount%
French52.8%
English31.7%
Arab21.1%

Technology access

Metric% of households
Computer access41.9%
Internet access78.7%

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

Frequently asked questions about ZIP code 57269

What city is ZIP code 57269 in?

ZIP code 57269 is primarily assigned to Twin Brooks, South Dakota.

What county is ZIP code 57269 in?

ZIP code 57269 falls within Grant County, South Dakota.

Is ZIP code 57269 mostly owner-occupied?

97% of occupied units in ZIP code 57269 are owner-occupied, well above the national average.

Does ZIP code 57269 have an older population?

26% of residents in ZIP code 57269 are 65 or older, above the national average of ~17%.

Does ZIP code 57269 have a large veteran population?

15% of civilians in ZIP code 57269 are veterans, above the national average of ~7%.

What is the population of ZIP code 57269?

ZIP code 57269 has an estimated population of 179 residents, with a density of 2 people per square mile.

What timezone is ZIP code 57269 in?

ZIP code 57269 observes the CST timezone.

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