Postal Codes

57470 ZIP Code

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ZIP code 57470 covers Rockham, South Dakota.

Poverty rate
54.2%41.8 points above the US average
Median home value
$167,90029% below the South Dakota median
Degree or higher
12.3%22.7 points below the US average
Homeownership
100%35 points above the US average
Time zone
Central UTC-06:00observes daylight saving time

Where 57470 is

Rockham, 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 households100%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)97.9%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans13.6%
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

Poverty rate54.2%
Households on SNAP or cash assistance0%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k29.4%
$35–40k0.0%
$40–45k0.0%
$45–50k8.8%
$50–60k0.0%
$60–75k5.9%
$75–100k5.9%
$100–125k26.5%
$125–150k5.9%
$150–200k2.9%
$200k or more14.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$167,900
Owner-occupied100%
Vacant homes49.3%
Median year built1938

What the homes are

Detached house94%
Mobile home6%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate7.5%
Bachelor's degree or higher12.3%
High school diploma or higher100%
Works from home44.9%
Drives to work alone44.9%
Takes public transport0%
Health

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

Obesity35.6% 2.2 pts above the national average of 33.4%
Diagnosed diabetes13.5% 1.5 pts above the national average of 12%
Currently smokes15.9% 2.7 pts above the national average of 13.2%
High blood pressure39.1% 5 pts above the national average of 34.1%
Fair or poor general health18.5% 1.8 pts below the national average of 20.3%
No health insurance (18–64)8.3% 3 pts below the national average of 11.3%
Depression19.7% 2.2 pts below the national average of 21.9%
No leisure-time physical activity25.4% same as the national average of 25.4%
Arthritis31.6% 6.5 pts above the national average of 25.1%
Binge drinking16.5% 0.5 pts above the national average of 16%
Taking blood pressure medication80.4% 5.7 pts above the national average of 74.7%
Cancer (non-skin)12.1% 4.4 pts above the national average of 7.7%
Current asthma9.7% 0.7 pts below 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 year78.6% 1.9 pts above the national average of 76.7%
Cholesterol screening87.6% 1.7 pts above the national average of 85.9%
Cognitive disability13% 1.8 pts below the national average of 14.8%
Colorectal screening68.4% 4.1 pts above the national average of 64.3%
COPD8.3% 1.7 pts above the national average of 6.6%
Visited a dentist69.4% 8.1 pts above the national average of 61.3%
Any disability33.1% 2.4 pts above the national average of 30.7%
Hearing disability11.2% 4.5 pts above the national average of 6.7%
High cholesterol38.4% 2.2 pts above the national average of 36.2%
Independent living disability8.3% same as the national average of 8.4%
Mammography use77.4% 1.5 pts above the national average of 75.9%
Poor mental health (14+ days)14.1% 2.7 pts below the national average of 16.8%
Mobility disability15.5% 1.5 pts above the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability4.2% same as the national average of 4%
Sleeps under 7 hours29.6% 6.8 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost10.6% 2.4 pts below the national average of 13%
Vision disability5% 0.6 pts below the national average of 5.6%
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 84.8% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss85.4 out of 100
Community resilience42.3 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.

Cold wave99.1Very High at its worst in this ZIP code
Hail98.3Very High at its worst in this ZIP code
Drought97.2Relatively Moderate at its worst in this ZIP code
Wildfire96.7Relatively High at its worst in this ZIP code
Winter weather95.6Very High at its worst in this ZIP code
Ice storm90.7Relatively High at its worst in this ZIP code
Strong wind81.6Relatively High at its worst in this ZIP code
Tornado71.9Relatively High at its worst in this ZIP code
River flooding60.9Relatively Moderate at its worst in this ZIP code
Landslide52.7Very Low at its worst in this ZIP code
Heat wave34.2Relatively Low at its worst in this ZIP code
Lightning31.4Relatively Moderate at its worst in this ZIP code
Earthquake22.3Very Low at its worst in this ZIP code
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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$38,880$43,289
Poverty rate54.2%12%12.4%
Median home value$167,900$236,800$303,400
Median gross rent$912$1,348
Homeownership100%68.6%65%
Bachelor's degree or higher12.3%31.1%35%
Unemployment rate7.5%3%5.2%
Works from home44.9%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 stationREDFIELD, SD US26.9 km away
Rain in a year23 in

Average high and low by month

January22.8°F / 2.9°F0.49 in rain
February27.6°F / 7°F0.56 in rain
March41.3°F / 19.9°F0.87 in rain
April56.3°F / 31.5°F2.08 in rain
May68.6°F / 44.4°F3.34 in rain
June78.7°F / 55.5°F4.09 in rain
July84.1°F / 60.3°F3.27 in rain
August82.3°F / 57.4°F2.68 in rain
September74.4°F / 47.7°F2 in rain
October58.9°F / 33.5°F2.04 in rain
November42.1°F / 20.6°F0.68 in rain
December27.9°F / 9.3°F0.66 in rain
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 24-433.4% of this ZIP code's land area
Redfield School District 56-431.2% of this ZIP code's land area
Miller Area School District 29-428.6% of this ZIP code's land area
Northwestern Area School District 56-76.8% 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 vulnerability26more vulnerable than 26% of US census tracts
Socioeconomic status24more vulnerable than 24% of US census tracts
Household characteristics32more vulnerable than 32% of US census tracts
Racial and ethnic minority status14more vulnerable than 14% of US census tracts
Housing type and transport41more vulnerable than 41% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

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

57467 Orient, SD19.4 km away
57469 Redfield, SD28 km away
57476 Tulare, SD29.6 km away
57435 Cresbard, SD33 km away
57438 Faulkton, SD34.7 km away
57465 Northville, SD35.6 km away
57373 Saint Lawrence, SD39.5 km away
57424 Ashton, SD41.5 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.

Hand County59.9% of this ZIP code's land area
Faulk County40.1% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area149.72 sq mi
Water area1.31 sq mi
Latitude, longitude44.8767, -98.8669

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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