Postal Codes

57766 ZIP Code

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ZIP code 57766 covers Oral, South Dakota.

Poverty rate
4.1%8.3 points below the US average
Degree or higher
24.1%10.9 points below the US average
Homeownership
100%35 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
7

Where 57766 is

Oral, 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

Family households78%
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%
Veterans5%
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

Income per person$34,335
Poverty rate4.1%
Households on SNAP or cash assistance32%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k2.0%
$20–25k0.0%
$25–30k20.0%
$30–35k0.0%
$35–40k0.0%
$40–45k2.0%
$45–50k12.0%
$50–60k4.0%
$60–75k0.0%
$75–100k32.0%
$100–125k10.0%
$125–150k0.0%
$150–200k18.0%
$200k or more0.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed100
Mean adjusted gross income$68,890
Returns declaring $200,000 or more0%
Returns, under $25k30.0%
Returns, $25k–$50k30.0%
Returns, $50k–$75k20.0%
Returns, $75k–$100k0.0%
Returns, $100k–$200k20.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied100%
Vacant homes39.8%
Median year built1975

What the homes are

Detached house43.4%
Mobile home56.6%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher24.1%
High school diploma or higher94.4%
Works from home0%
Drives to work alone93.5%
Takes public transport0%
Commutes 45 minutes or more0%
Health

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

Obesity36.7% 3.3 pts above the national average of 33.4%
Diagnosed diabetes13.9% 1.9 pts above the national average of 12%
Currently smokes16.1% 2.9 pts above the national average of 13.2%
High blood pressure39.7% 5.6 pts above the national average of 34.1%
Fair or poor general health18.8% 1.5 pts below the national average of 20.3%
No health insurance (18–64)7.8% 3.5 pts below the national average of 11.3%
Depression20.7% 1.2 pts below the national average of 21.9%
No leisure-time physical activity26.8% 1.4 pts above the national average of 25.4%
Arthritis32.2% 7.1 pts above the national average of 25.1%
Binge drinking16.3% same as the national average of 16%
Taking blood pressure medication80.2% 5.5 pts above the national average of 74.7%
Cancer (non-skin)11.6% 3.9 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease8.9% 2.7 pts above the national average of 6.2%
Routine check-up in past year79% 2.3 pts above the national average of 76.7%
Cholesterol screening87.4% 1.5 pts above the national average of 85.9%
Cognitive disability13.2% 1.6 pts below the national average of 14.8%
Colorectal screening68.6% 4.3 pts above the national average of 64.3%
COPD8.8% 2.2 pts above the national average of 6.6%
Visited a dentist67.5% 6.2 pts above the national average of 61.3%
Any disability33% 2.3 pts above the national average of 30.7%
Hearing disability10.1% 3.4 pts above the national average of 6.7%
High cholesterol39.4% 3.2 pts above the national average of 36.2%
Independent living disability8.2% same as the national average of 8.4%
Mammography use78.5% 2.6 pts above the national average of 75.9%
Poor mental health (14+ days)14.3% 2.5 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)13.9% same as the national average of 13.5%
Self-care disability4.2% same as the national average of 4%
Sleeps under 7 hours31.2% 5.2 pts below the national average of 36.4%
Stroke4.3% 0.9 pts above the national average of 3.4%
All natural teeth lost9.8% 3.2 pts below the national average of 13%
Vision disability5.1% 0.5 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments7
People employed17
Annual payroll$978,000
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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 95% of US census tracts
FEMA ratingRelatively High
Expected annual loss91.8 out of 100
Community resilience65.1 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.

Wildfire99.4Very High at its worst in this ZIP code
Winter weather98.8Very High at its worst in this ZIP code
Hail96.4Relatively High at its worst in this ZIP code
Lightning96.2Very High at its worst in this ZIP code
Strong wind95.4Relatively High at its worst in this ZIP code
River flooding94.4Relatively High at its worst in this ZIP code
Landslide94.2Relatively Low at its worst in this ZIP code
Cold wave91.9Relatively High at its worst in this ZIP code
Drought89.9Relatively Low at its worst in this ZIP code
Tornado76.3Relatively High at its worst in this ZIP code
Earthquake61.3Relatively Low at its worst in this ZIP code
Ice storm37.8Relatively Low at its worst in this ZIP code
Heat wave17.2Relatively Low at its worst in this ZIP code
Avalanche1.5Very 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$72,421$78,538
Income per person$34,335$38,880$43,289
Poverty rate4.1%12%12.4%
Median home value$236,800$303,400
Median gross rent$912$1,348
Homeownership100%68.6%65%
Bachelor's degree or higher24.1%31.1%35%
Unemployment rate0%3%5.2%
Works from home0%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 stationORAL, SD US7.1 km away
Rain in a year18 in
Snow in a year37 in

Average high and low by month

January38.2°F / 11.3°F0.38 in rain, 5.6 in snow
February41.2°F / 12.9°F0.56 in rain, 7.1 in snow
March51.7°F / 21.1°F0.86 in rain, 5.6 in snow
April60.2°F / 29.5°F2.03 in rain, 5.2 in snow
May69.4°F / 40.6°F3.3 in rain, 1.2 in snow
June80.4°F / 50.2°F3.05 in rain
July89°F / 56.1°F2.35 in rain
August87.9°F / 53.2°F2.01 in rain
September79.1°F / 42.8°F1.45 in rain
October63.9°F / 31°F1.28 in rain, 1.8 in snow
November49.9°F / 20.5°F0.53 in rain, 3.7 in snow
December39.7°F / 12.6°F0.4 in rain, 6.6 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 supermarket100% of this ZIP code's area
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 2 school districts, so the address decides which one, not the ZIP code.

Hot Springs School District 23-255.3% of this ZIP code's land area
Oelrichs School District 23-344.7% 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 vulnerability62more vulnerable than 62% of US census tracts
Socioeconomic status60more vulnerable than 60% of US census tracts
Household characteristics75more vulnerable than 75% of US census tracts
Racial and ethnic minority status30more vulnerable than 30% of US census tracts
Housing type and transport56more vulnerable than 56% of US census tracts
Walkability5.1 out of 20Least walkable
Nearby ZIP codes

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

57782 Smithwick, SD10 km away
57722 Buffalo Gap, SD16.1 km away
57747 Hot Springs, SD24 km away
57763 Oelrichs, SD26 km away
57738 Fairburn, SD30.6 km away
57730 Custer, SD35.8 km away
57773 Pringle, SD41.2 km away
57764 Oglala, SD42.2 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.

Fall River County100% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area142.54 sq mi
Water area0.18 sq mi
Latitude, longitude43.3876, -103.1832

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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