Postal Codes

57273 ZIP Code

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ZIP code 57273 covers Waubay, South Dakota, with a population of about 1,226 and a median household income of $48,750.

Population
1,2267 per square mile
Median age
42.53.8 points above the US average
Median household income
$48,75033% below the South Dakota median
Poverty rate
21.9%9.5 points above the US average
Typical home value
$308,636up 37.7% in five years
Median rent
$57837% below the South Dakota median
Degree or higher
24.4%10.6 points below the US average
Homeownership
71.7%6.7 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
30

Where 57273 is

Waubay, 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

Population1,226
Median age42.5
Family households68.5%
Born outside the US0.2%
Speaks a language other than English at home1.7%
White (non-Hispanic)59%
Black (non-Hispanic)0.2%
Asian (non-Hispanic)0.7%
Hispanic or Latino0%
Veterans12.5%
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$48,750
Income per person$28,155
Poverty rate21.9%
Households on SNAP or cash assistance14.3%

Household income distribution

Under $10k6.9%
$10–15k3.7%
$15–20k4.8%
$20–25k6.5%
$25–30k6.7%
$30–35k9.3%
$35–40k8.6%
$40–45k0.4%
$45–50k3.9%
$50–60k8.6%
$60–75k9.1%
$75–100k9.5%
$100–125k7.8%
$125–150k5.4%
$150–200k0.0%
$200k or more8.9%

Income as declared to the IRS

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

Tax returns filed470
Mean adjusted gross income$132,596
Returns declaring $200,000 or more6.4%
Returns, under $25k31.9%
Returns, $25k–$50k27.7%
Returns, $50k–$75k12.8%
Returns, $75k–$100k8.5%
Returns, $100k–$200k12.8%
Returns, $200k or more6.4%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$155,800
Median gross rent$578
Owner-occupied71.7%
Vacant homes48.4%
Median year built1973

What the homes are

Detached house87.6%
Attached house0.4%
2 to 4 units2.7%
5 to 19 units2.1%
Mobile home7.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$308,636as of 2026-07
Typical home value, 1 yearup 8.3%
Typical home value, 5 yearsup 37.7%
Typical home value since 2000
201920222026$308,636$192,426

$192,426 in 2019 to $308,636 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.6%
Bachelor's degree or higher24.4%
High school diploma or higher93%
Works from home13%
Drives to work alone78.2%
Takes public transport0%
Commutes 45 minutes or more9.6%
Health

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

Obesity38.4% 5 pts above the national average of 33.4%
Diagnosed diabetes16.5% 4.5 pts above the national average of 12%
Currently smokes20.5% 7.3 pts above the national average of 13.2%
High blood pressure39.3% 5.2 pts above the national average of 34.1%
Fair or poor general health23.3% 3 pts above the national average of 20.3%
No health insurance (18–64)9.8% 1.5 pts below the national average of 11.3%
Depression20.6% 1.3 pts below the national average of 21.9%
No leisure-time physical activity29.2% 3.8 pts above the national average of 25.4%
Arthritis31.4% 6.3 pts above the national average of 25.1%
Binge drinking15.6% same as the national average of 16%
Taking blood pressure medication79.5% 4.8 pts above the national average of 74.7%
Cancer (non-skin)10.1% 2.4 pts above the national average of 7.7%
Current asthma11.6% 1.2 pts above the national average of 10.4%
Coronary heart disease9.4% 3.2 pts above the national average of 6.2%
Routine check-up in past year77.8% 1.1 pts above the national average of 76.7%
Cholesterol screening84.9% 1 pts below the national average of 85.9%
Cognitive disability15.9% 1.1 pts above the national average of 14.8%
Colorectal screening65.4% 1.1 pts above the national average of 64.3%
COPD9.7% 3.1 pts above the national average of 6.6%
Visited a dentist61.6% same as the national average of 61.3%
Any disability36.9% 6.2 pts above the national average of 30.7%
Hearing disability11.2% 4.5 pts above the national average of 6.7%
High cholesterol36.2% same as the national average of 36.2%
Independent living disability10.4% 2 pts above the national average of 8.4%
Mammography use73.2% 2.7 pts below the national average of 75.9%
Poor mental health (14+ days)16.6% same as the national average of 16.8%
Mobility disability18.4% 4.4 pts above the national average of 14%
Poor physical health (14+ days)16.1% 2.6 pts above the national average of 13.5%
Self-care disability5.1% 1.1 pts above the national average of 4%
Sleeps under 7 hours32.5% 3.9 pts below the national average of 36.4%
Stroke5% 1.6 pts above the national average of 3.4%
All natural teeth lost16.4% 3.4 pts above the national average of 13%
Vision disability7.1% 1.5 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments30
People employed178
Annual payroll$6,322,000
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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 87.1% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss79.2 out of 100
Community resilience62.8 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 weather99.6Very High at its worst in this ZIP code
Strong wind98.8Very High at its worst in this ZIP code
Cold wave98.7Very High at its worst in this ZIP code
Ice storm97.1Relatively High at its worst in this ZIP code
Wildfire96.1Relatively Moderate at its worst in this ZIP code
Hail93.9Relatively High at its worst in this ZIP code
Landslide89.9Relatively Low at its worst in this ZIP code
Tornado85.2Relatively High at its worst in this ZIP code
River flooding77.4Relatively High at its worst in this ZIP code
Drought55.4Very Low at its worst in this ZIP code
Heat wave46.1Relatively Moderate at its worst in this ZIP code
Lightning25.8Relatively Low at its worst in this ZIP code
Earthquake14.8Very 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$48,750$72,421$78,538
Income per person$28,155$38,880$43,289
Poverty rate21.9%12%12.4%
Median home value$155,800$236,800$303,400
Median gross rent$578$912$1,348
Homeownership71.7%68.6%65%
Bachelor's degree or higher24.4%31.1%35%
Unemployment rate8.6%3%5.2%
Works from home13%9.3%13.5%
Born outside the US0.2%3.9%13.9%
Median age42.537.738.7
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 stationWAUBAY NATL WILD LIFE, SD US5.7 km away
Rain in a year23 in
Snow in a year36 in

Average high and low by month

January21.7°F / 3.5°F0.6 in rain, 6.6 in snow
February26.4°F / 7°F0.54 in rain, 6 in snow
March38.7°F / 19.2°F0.84 in rain, 5.5 in snow
April54°F / 32.8°F1.96 in rain, 5 in snow
May67.6°F / 46.6°F2.93 in rain
June76.8°F / 57.6°F3.69 in rain
July81.7°F / 62.2°F3.79 in rain
August80.5°F / 60.8°F2.26 in rain
September72.6°F / 52°F2.39 in rain
October57°F / 38.4°F2.17 in rain, 1.2 in snow
November39.9°F / 23.9°F0.69 in rain, 5 in snow
December26.5°F / 10.5°F0.66 in rain, 6.3 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 5 school districts, so the address decides which one, not the ZIP code.

Waubay School District 18-382.5% of this ZIP code's land area
Webster School District 18-59.9% of this ZIP code's land area
Wilmot School District 54-73.8% of this ZIP code's land area
Sisseton School District 54-21.5% of this ZIP code's land area
Summit School District 54-61.3% 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 vulnerability66more vulnerable than 66% of US census tracts
Socioeconomic status68more vulnerable than 68% of US census tracts
Household characteristics60more vulnerable than 60% of US census tracts
Racial and ethnic minority status53more vulnerable than 53% 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.

57239 Grenville, SD14.6 km away
57256 Ortley, SD14.9 km away
57274 Webster, SD19.3 km away
57266 Summit, SD19.9 km away
57261 Roslyn, SD23.5 km away
57232 Eden, SD27.7 km away
57257 Peever, SD27.8 km away
57251 Marvin, SD32.3 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.

Day County74.9% of this ZIP code's land area
Roberts County25.1% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area175.01 sq mi
Water area22.63 sq mi
Population density7 people per sq mi
Latitude, longitude45.3784, -97.2950

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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