Postal Codes

57775 ZIP Code

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ZIP code 57775 covers Quinn, South Dakota, with a population of about 396 and a median household income of $95,341.

Population
3961 per square mile
Median age
32.36.4 points below the US average
Median household income
$95,3411.3× the South Dakota median
Poverty rate
0.3%12.1 points below the US average
Degree or higher
22.6%12.4 points below the US average
Homeownership
80.4%15.4 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time

Where 57775 is

Quinn, 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

Population396
Median age32.3
Family households89.7%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)93.2%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1.5%
Veterans8.8%
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$95,341
Income per person$37,627
Poverty rate0.3%
Households on SNAP or cash assistance10.3%

Household income distribution

Under $10k1.0%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k3.1%
$40–45k0.0%
$45–50k10.3%
$50–60k1.0%
$60–75k27.8%
$75–100k16.5%
$100–125k0.0%
$125–150k4.1%
$150–200k20.6%
$200k or more15.5%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied80.4%
Vacant homes27.1%
Median year built1954

What the homes are

Detached house88%
Mobile home12%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher22.6%
High school diploma or higher90.4%
Works from home8.2%
Drives to work alone79.7%
Takes public transport0%
Commutes 45 minutes or more7.4%
Health

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

Obesity33.2% same as the national average of 33.4%
Diagnosed diabetes14% 2 pts above the national average of 12%
Currently smokes15% 1.8 pts above the national average of 13.2%
High blood pressure39.2% 5.1 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)8.4% 2.9 pts below the national average of 11.3%
Depression20.6% 1.3 pts below the national average of 21.9%
No leisure-time physical activity25.9% 0.5 pts above the national average of 25.4%
Arthritis31.5% 6.4 pts above the national average of 25.1%
Binge drinking17.4% 1.4 pts above the national average of 16%
Taking blood pressure medication81.3% 6.6 pts above the national average of 74.7%
Cancer (non-skin)11.9% 4.2 pts above the national average of 7.7%
Current asthma10.3% 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 year78.7% 2 pts above the national average of 76.7%
Cholesterol screening87.4% 1.5 pts above the national average of 85.9%
Cognitive disability13.1% 1.7 pts below the national average of 14.8%
Colorectal screening67.3% 3 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist70.6% 9.3 pts above the national average of 61.3%
Any disability34.8% 4.1 pts above the national average of 30.7%
Hearing disability11.1% 4.4 pts above the national average of 6.7%
High cholesterol37.5% 1.3 pts above the national average of 36.2%
Independent living disability8.4% same as the national average of 8.4%
Mammography use73.9% 2 pts below the national average of 75.9%
Poor mental health (14+ days)14.3% 2.5 pts below the national average of 16.8%
Mobility disability16.5% 2.5 pts above the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Sleeps under 7 hours29.1% 7.3 pts below the national average of 36.4%
Stroke4.5% 1.1 pts above the national average of 3.4%
All natural teeth lost15.2% 2.2 pts above the national average of 13%
Vision disability5.2% same as the national average of 5.6%
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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 85.3% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss81.3 out of 100
Community resilience32.5 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 weather97.3Very High at its worst in this ZIP code
Wildfire96.9Relatively High at its worst in this ZIP code
Cold wave94.2Very High at its worst in this ZIP code
Strong wind94.2Very High at its worst in this ZIP code
Hail92.3Relatively High at its worst in this ZIP code
Drought90.6Relatively Moderate at its worst in this ZIP code
River flooding89.1Very High at its worst in this ZIP code
Ice storm88.9Relatively High at its worst in this ZIP code
Landslide86.8Relatively Low at its worst in this ZIP code
Lightning77.2Relatively High at its worst in this ZIP code
Tornado50.9Relatively Moderate at its worst in this ZIP code
Heat wave43.2Relatively Low at its worst in this ZIP code
Earthquake32.7Very 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$95,341$72,421$78,538
Income per person$37,627$38,880$43,289
Poverty rate0.3%12%12.4%
Median home value$236,800$303,400
Median gross rent$912$1,348
Homeownership80.4%68.6%65%
Bachelor's degree or higher22.6%31.1%35%
Unemployment rate0%3%5.2%
Works from home8.2%9.3%13.5%
Born outside the US0%3.9%13.9%
Median age32.337.738.7
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 stationCOTTONWOOD 2 E, SD US20.1 km away
Rain in a year17 in
Snow in a year38 in

Average high and low by month

January33.1°F / 8.1°F0.41 in rain, 5.4 in snow
February37°F / 10.5°F0.56 in rain, 6.3 in snow
March47.6°F / 20.4°F1.03 in rain, 6.3 in snow
April57.8°F / 30°F1.96 in rain, 6.8 in snow
May68.3°F / 42°F2.9 in rain, 0.4 in snow
June79.4°F / 52.7°F3.09 in rain
July88.2°F / 59.2°F2.1 in rain
August87.6°F / 55.8°F1.63 in rain
September78.2°F / 45°F1.22 in rain
October61.8°F / 31.3°F1.46 in rain, 2.2 in snow
November47.1°F / 19.2°F0.54 in rain, 4.8 in snow
December35.7°F / 10.2°F0.48 in rain, 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 supermarket40% 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 3 school districts, so the address decides which one, not the ZIP code.

Haakon School District 27-152.7% of this ZIP code's land area
Wall School District 51-545.6% of this ZIP code's land area
Kadoka School District 35-21.7% 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 vulnerability52more vulnerable than 52% of US census tracts
Socioeconomic status38more vulnerable than 38% of US census tracts
Household characteristics39more vulnerable than 39% of US census tracts
Racial and ethnic minority status26more vulnerable than 26% of US census tracts
Housing type and transport82more vulnerable than 82% of US census tracts
Walkability6.1 out of 20Below average
Nearby ZIP codes

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

57790 Wall, SD21.5 km away
57567 Philip, SD26.8 km away
57791 Wasta, SD35.8 km away
57750 Interior, SD41.5 km away
57553 Milesville, SD41.8 km away
57767 Owanka, SD43.9 km away
57543 Kadoka, SD47 km away
57748 Howes, SD53.4 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.

Pennington County45.6% of this ZIP code's land area
Haakon County40.3% of this ZIP code's land area
Jackson County14.1% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area291.33 sq mi
Water area1.46 sq mi
Population density1 people per sq mi
Latitude, longitude44.1035, -102.0159

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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