Postal Codes

57761 ZIP Code

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ZIP code 57761 covers New Underwood, South Dakota, with a population of about 1,274 and a median household income of $101,042.

Population
1,2743 per square mile
Median age
38.4about the US average
Median household income
$101,0421.4× the South Dakota median
Poverty rate
10.3%2.1 points below the US average
Typical home value
$435,359up 49.9% in five years
Median rent
$871about the South Dakota median
Degree or higher
27.9%7.1 points below the US average
Homeownership
85.8%20.8 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
39

Where 57761 is

New Underwood, 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

Population1,274
Median age38.4
Family households79.7%
Born outside the US1.6%
Speaks a language other than English at home1.7%
White (non-Hispanic)84.8%
Black (non-Hispanic)0.2%
Asian (non-Hispanic)0%
Hispanic or Latino5.4%
Veterans4.3%
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$101,042
Income per person$32,784
Poverty rate10.3%
Households on SNAP or cash assistance14.5%

Household income distribution

Under $10k9.5%
$10–15k0.8%
$15–20k4.2%
$20–25k3.2%
$25–30k0.0%
$30–35k2.1%
$35–40k0.0%
$40–45k0.5%
$45–50k3.7%
$50–60k11.3%
$60–75k4.7%
$75–100k9.2%
$100–125k20.1%
$125–150k9.2%
$150–200k18.2%
$200k or more3.2%

Income as declared to the IRS

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

Tax returns filed550
Mean adjusted gross income$67,895
Returns declaring $200,000 or more0%
Returns, under $25k23.6%
Returns, $25k–$50k25.5%
Returns, $50k–$75k16.4%
Returns, $75k–$100k12.7%
Returns, $100k–$200k21.8%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$263,800
Median gross rent$871
Rent as a share of household income51%
Owner-occupied85.8%
Vacant homes18.7%
Median year built1984

What the homes are

Detached house73.4%
20 or more units2.8%
Mobile home23.4%
Boat, RV or van0.4%
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$435,359as of 2026-07
Typical home value, 1 yearup 10.5%
Typical home value, 5 yearsup 49.9%
Typical home value, 10 yearsup 132.9%
Typical home value since 2000
200820172026$435,359$170,041

$189,345 in 2008 to $435,359 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate2.9%
Bachelor's degree or higher27.9%
High school diploma or higher96%
Works from home24.3%
Drives to work alone59.8%
Takes public transport0%
Commutes 45 minutes or more22.5%
Health

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

Obesity33.6% same as the national average of 33.4%
Diagnosed diabetes11.6% same as the national average of 12%
Currently smokes15.6% 2.4 pts above the national average of 13.2%
High blood pressure34.6% 0.5 pts above the national average of 34.1%
Fair or poor general health17% 3.3 pts below the national average of 20.3%
No health insurance (18–64)8% 3.3 pts below the national average of 11.3%
Depression22% same as the national average of 21.9%
No leisure-time physical activity23.5% 1.9 pts below the national average of 25.4%
Arthritis27.3% 2.2 pts above the national average of 25.1%
Binge drinking20.3% 4.3 pts above the national average of 16%
Taking blood pressure medication76.8% 2.1 pts above the national average of 74.7%
Cancer (non-skin)9.6% 1.9 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease7.1% 0.9 pts above the national average of 6.2%
Routine check-up in past year76.1% 0.6 pts below the national average of 76.7%
Cholesterol screening85.9% same as the national average of 85.9%
Cognitive disability13.3% 1.5 pts below the national average of 14.8%
Colorectal screening65.2% 0.9 pts above the national average of 64.3%
COPD6.9% same as the national average of 6.6%
Visited a dentist67.1% 5.8 pts above the national average of 61.3%
Any disability31.5% 0.8 pts above the national average of 30.7%
Hearing disability8.7% 2 pts above the national average of 6.7%
High cholesterol34.4% 1.8 pts below the national average of 36.2%
Independent living disability7.7% 0.7 pts below the national average of 8.4%
Mammography use74.1% 1.8 pts below the national average of 75.9%
Poor mental health (14+ days)15.3% 1.5 pts below the national average of 16.8%
Mobility disability13.5% 0.5 pts below the national average of 14%
Poor physical health (14+ days)12.7% 0.8 pts below the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Sleeps under 7 hours31.5% 4.9 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost15.4% 2.4 pts above the national average of 13%
Vision disability4.5% 1.1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments39
People employed142
Annual payroll$5,278,000
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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 86.7% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss90.6 out of 100
Community resilience36 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.

Wildfire98.7Relatively High at its worst in this ZIP code
Winter weather98.1Very High at its worst in this ZIP code
Hail95.3Relatively High at its worst in this ZIP code
Cold wave92.3Relatively High at its worst in this ZIP code
Landslide91.6Relatively Low at its worst in this ZIP code
Strong wind90.9Relatively High at its worst in this ZIP code
Lightning88.5Relatively High at its worst in this ZIP code
Ice storm88.2Relatively High at its worst in this ZIP code
Drought85.6Relatively Low at its worst in this ZIP code
River flooding85.4Relatively High at its worst in this ZIP code
Tornado58.4Relatively Moderate at its worst in this ZIP code
Heat wave42.1Relatively Low at its worst in this ZIP code
Earthquake36.6Very 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$101,042$72,421$78,538
Income per person$32,784$38,880$43,289
Poverty rate10.3%12%12.4%
Median home value$263,800$236,800$303,400
Median gross rent$871$912$1,348
Homeownership85.8%68.6%65%
Bachelor's degree or higher27.9%31.1%35%
Unemployment rate2.9%3%5.2%
Works from home24.3%9.3%13.5%
Born outside the US1.6%3.9%13.9%
Median age38.437.738.7
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 stationRAPID CITY RGNL AP, SD US19.8 km away
Rain in a year17 in
Snow in a year49 in

Average high and low by month

January36°F / 12.7°F0.31 in rain, 5.3 in snow
February38.1°F / 14°F0.5 in rain, 7.7 in snow
March48.2°F / 22.6°F0.91 in rain, 8.4 in snow
April56.6°F / 31.2°F2.08 in rain, 10.1 in snow
May66.5°F / 41.7°F3.45 in rain, 1.5 in snow
June77.6°F / 51.6°F2.87 in rain
July86.4°F / 58.5°F2.28 in rain
August85.4°F / 56.2°F1.59 in rain
September76.1°F / 46.4°F1.22 in rain, 0.1 in snow
October60.4°F / 33.7°F1.41 in rain, 3 in snow
November47.3°F / 21.9°F0.47 in rain, 5.7 in snow
December37.2°F / 13.9°F0.35 in rain, 6.7 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 2 school districts, so the address decides which one, not the ZIP code.

Meade School District 46-166.7% of this ZIP code's land area
New Underwood School District 51-333.3% 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 vulnerability36more vulnerable than 36% of US census tracts
Socioeconomic status48more vulnerable than 48% of US census tracts
Household characteristics16more vulnerable than 16% of US census tracts
Racial and ethnic minority status31more vulnerable than 31% of US census tracts
Housing type and transport51more vulnerable than 51% of US census tracts
Walkability4.5 out of 20Least walkable
Nearby ZIP codes

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

57725 Caputa, SD15.6 km away
57767 Owanka, SD20.2 km away
57719 Box Elder, SD20.6 km away
57706 Ellsworth Afb, SD21.9 km away
57703 Rapid City, SD29.3 km away
57701 Rapid City, SD31.8 km away
57791 Wasta, SD34.1 km away
57780 Scenic, SD39 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.

Meade County66.7% of this ZIP code's land area
Pennington County33.3% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area441.07 sq mi
Water area1.65 sq mi
Population density3 people per sq mi
Latitude, longitude44.0874, -102.8136

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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