Postal Codes

57466 ZIP Code

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ZIP code 57466 covers Onaka, South Dakota, with a population of about 167 and a median household income of $48,594.

Population
1671 per square mile
Median household income
$48,59433% below the South Dakota median
Poverty rate
35.9%23.5 points above the US average
Median home value
$39,40083% below the South Dakota median
Degree or higher
19%16 points below the US average
Homeownership
94.4%29.4 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
5

Where 57466 is

Onaka, South Dakota — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population167
Family households73.6%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)100%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans4%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$48,594
Income per person$26,865
Poverty rate35.9%
Households on SNAP or cash assistance9.7%

Household income distribution

Under $10k12.5%
$10–15k6.9%
$15–20k6.9%
$20–25k4.2%
$25–30k0.0%
$30–35k2.8%
$35–40k0.0%
$40–45k0.0%
$45–50k29.2%
$50–60k5.6%
$60–75k2.8%
$75–100k6.9%
$100–125k8.3%
$125–150k8.3%
$150–200k5.6%
$200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$39,400
Owner-occupied94.4%
Vacant homes8.9%
Median year built1964

What the homes are

Detached house94.9%
Mobile home5.1%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher19%
High school diploma or higher96.8%
Works from home23.7%
Drives to work alone30.5%
Takes public transport0%
Commutes 45 minutes or more15.6%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity34.9% 1.5 pts above the national average of 33.4%
Diagnosed diabetes13.7% 1.7 pts above the national average of 12%
Currently smokes16.1% 2.9 pts above the national average of 13.2%
High blood pressure37% 2.9 pts above the national average of 34.1%
Fair or poor general health19.7% 0.6 pts below the national average of 20.3%
No health insurance (18–64)9% 2.3 pts below the national average of 11.3%
Depression20.8% 1.1 pts below the national average of 21.9%
No leisure-time physical activity26% 0.6 pts above the national average of 25.4%
Arthritis29.3% 4.2 pts above the national average of 25.1%
Binge drinking17.4% 1.4 pts above the national average of 16%
Taking blood pressure medication79.4% 4.7 pts above the national average of 74.7%
Cancer (non-skin)10.5% 2.8 pts above the national average of 7.7%
Current asthma10.1% same as the national average of 10.4%
Coronary heart disease9.2% 3 pts above the national average of 6.2%
Routine check-up in past year76.8% same as the national average of 76.7%
Cholesterol screening84.2% 1.7 pts below the national average of 85.9%
Cognitive disability14.8% same as the national average of 14.8%
Colorectal screening67.8% 3.5 pts above the national average of 64.3%
COPD8.7% 2.1 pts above the national average of 6.6%
Visited a dentist63% 1.7 pts above the national average of 61.3%
Any disability34.4% 3.7 pts above the national average of 30.7%
Hearing disability10.7% 4 pts above the national average of 6.7%
High cholesterol36.9% 0.7 pts above the national average of 36.2%
Independent living disability9% 0.6 pts above the national average of 8.4%
Mammography use78.5% 2.6 pts above the national average of 75.9%
Poor mental health (14+ days)15.6% 1.2 pts below the national average of 16.8%
Mobility disability15.6% 1.6 pts above the national average of 14%
Poor physical health (14+ days)14.1% 0.6 pts above the national average of 13.5%
Self-care disability4.4% same as the national average of 4%
Sleeps under 7 hours30.6% 5.8 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost13.4% same as the national average of 13%
Vision disability5.6% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments5
People employed7
Annual payroll$243,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 88.9% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss81.9 out of 100
Community resilience39.3 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Winter weather99.3Very High at its worst in this ZIP code
Cold wave99.1Very High at its worst in this ZIP code
Hail98.6Very High at its worst in this ZIP code
Drought96.8Relatively Moderate at its worst in this ZIP code
Ice storm95.7Relatively High at its worst in this ZIP code
Wildfire95.7Relatively High at its worst in this ZIP code
Strong wind86.7Relatively High at its worst in this ZIP code
Tornado79.5Relatively High at its worst in this ZIP code
River flooding71.3Relatively Moderate at its worst in this ZIP code
Lightning58.5Relatively Moderate at its worst in this ZIP code
Landslide47.7Very Low at its worst in this ZIP code
Heat wave42.5Relatively Low at its worst in this ZIP code
Earthquake27.8Very Low at its worst in this ZIP code
Compared with South Dakota and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPSouth DakotaUnited States
Median household income$48,594$72,421$78,538
Income per person$26,865$38,880$43,289
Poverty rate35.9%12%12.4%
Median home value$39,400$236,800$303,400
Median gross rent$912$1,348
Homeownership94.4%68.6%65%
Bachelor's degree or higher19%31.1%35%
Unemployment rate0%3%5.2%
Works from home23.7%9.3%13.5%
Born outside the US0%3.9%13.9%
Median age37.738.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationROSCOE, SD US30 km away
Rain in a year21 in
Snow in a year47 in

Average high and low by month

January21.4°F / 3.2°F0.54 in rain, 8.1 in snow
February26.1°F / 6.7°F0.66 in rain, 8.8 in snow
March38.7°F / 17.9°F0.95 in rain, 7.3 in snow
April54.2°F / 29.9°F1.84 in rain, 5.8 in snow
May66.9°F / 43°F3.16 in rain, 0.1 in snow
June76.8°F / 54.2°F3.7 in rain
July82.8°F / 58.7°F3.24 in rain
August81.4°F / 56.2°F2.3 in rain
September72.6°F / 46.6°F1.91 in rain
October56.7°F / 33.3°F1.79 in rain, 2.3 in snow
November39.8°F / 19.9°F0.69 in rain, 5.9 in snow
December26.4°F / 9.2°F0.64 in rain, 8.7 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 4 school districts, so the address decides which one, not the ZIP code.

Faulkton School District 24-465.9% of this ZIP code's land area
Edmunds Central School District 22-515.5% of this ZIP code's land area
Bowdle School District 22-19.8% of this ZIP code's land area
Hoven School District 53-28.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability49more vulnerable than 49% of US census tracts
Socioeconomic status33more vulnerable than 33% of US census tracts
Household characteristics57more vulnerable than 57% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport78more vulnerable than 78% of US census tracts
Walkability5.2 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

57475 Tolstoy, SD13.1 km away
57473 Seneca, SD18.9 km away
57438 Faulkton, SD23.8 km away
57450 Hoven, SD25.4 km away
57471 Roscoe, SD27.4 km away
57455 Lebanon, SD30.1 km away
57428 Bowdle, SD32.5 km away
57452 Java, SD40.2 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Faulk County76.3% of this ZIP code's land area
Edmunds County23.7% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area137.26 sq mi
Water area5.82 sq mi
Population density1 people per sq mi
Latitude, longitude45.1965, -99.4551

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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