Postal Codes

57718 ZIP Code

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ZIP code 57718 covers Black Hawk, South Dakota, with a population of about 7,329 and a median household income of $81,858.

Population
7,329276 per square mile
Median age
41.83.1 points above the US average
Median household income
$81,8581.1× the South Dakota median
Poverty rate
5.1%7.3 points below the US average
Typical home value
$375,950up 19.8% in five years
Median rent
$1,1671.3× the South Dakota median
Degree or higher
28.7%6.3 points below the US average
Homeownership
88.3%23.3 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
196

Where 57718 is

Black Hawk, 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

Population7,329
Median age41.8
Family households72.8%
Born outside the US2.6%
Speaks a language other than English at home3.5%
White (non-Hispanic)84.6%
Black (non-Hispanic)1.2%
Asian (non-Hispanic)1.4%
Hispanic or Latino4.6%
Veterans11.7%
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$81,858
Income per person$39,644
Poverty rate5.1%
Households on SNAP or cash assistance7.9%

Household income distribution

Under $10k1.5%
$10–15k0.9%
$15–20k3.5%
$20–25k0.6%
$25–30k2.1%
$30–35k8.7%
$35–40k1.8%
$40–45k1.6%
$45–50k5.1%
$50–60k11.2%
$60–75k7.8%
$75–100k18.8%
$100–125k11.2%
$125–150k11.9%
$150–200k7.7%
$200k or more5.6%

Income as declared to the IRS

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

Tax returns filed3,620
Mean adjusted gross income$71,078
Returns declaring $200,000 or more3.9%
Returns, under $25k24.0%
Returns, $25k–$50k24.0%
Returns, $50k–$75k17.1%
Returns, $75k–$100k12.2%
Returns, $100k–$200k18.8%
Returns, $200k or more3.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$271,400
Median gross rent$1,167
Owner-occupied88.3%
Vacant homes3.1%
Median year built1989

What the homes are

Detached house81.7%
Attached house1%
2 to 4 units2.3%
5 to 19 units2.4%
20 or more units0.2%
Mobile home12.4%
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$375,950as of 2026-07
Typical home value, 1 yearup 2%
Typical home value, 5 yearsup 19.8%
Typical home value, 10 yearsup 75.7%
Typical home value since 2000
201620212026$375,950$214,002

$214,002 in 2016 to $375,950 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.2%
Bachelor's degree or higher28.7%
High school diploma or higher96%
Works from home4%
Drives to work alone86.4%
Takes public transport0%
Commutes 45 minutes or more4.6%
Health

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

Obesity31.6% 1.8 pts below the national average of 33.4%
Diagnosed diabetes10.3% 1.7 pts below the national average of 12%
Currently smokes14.6% 1.4 pts above the national average of 13.2%
High blood pressure32.9% 1.2 pts below the national average of 34.1%
Fair or poor general health15.5% 4.8 pts below the national average of 20.3%
No health insurance (18–64)7.4% 3.9 pts below the national average of 11.3%
Depression22.8% 0.9 pts above the national average of 21.9%
No leisure-time physical activity21.3% 4.1 pts below the national average of 25.4%
Arthritis27.2% 2.1 pts above the national average of 25.1%
Binge drinking18.6% 2.6 pts above the national average of 16%
Taking blood pressure medication75.5% 0.8 pts above the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma10.6% same as the national average of 10.4%
Coronary heart disease6.4% same as the national average of 6.2%
Routine check-up in past year76.6% same as the national average of 76.7%
Cholesterol screening86.8% 0.9 pts above the national average of 85.9%
Cognitive disability12.8% 2 pts below the national average of 14.8%
Colorectal screening66.2% 1.9 pts above the national average of 64.3%
COPD6.3% same as the national average of 6.6%
Visited a dentist73% 11.7 pts above the national average of 61.3%
Any disability28.8% 1.9 pts below the national average of 30.7%
Hearing disability7.6% 0.9 pts above the national average of 6.7%
High cholesterol35.4% 0.8 pts below the national average of 36.2%
Independent living disability6.9% 1.5 pts below the national average of 8.4%
Mammography use76.4% 0.5 pts above the national average of 75.9%
Poor mental health (14+ days)15.4% 1.4 pts below the national average of 16.8%
Mobility disability12% 2 pts below the national average of 14%
Poor physical health (14+ days)12% 1.5 pts below the national average of 13.5%
Self-care disability3.2% 0.8 pts below the national average of 4%
Sleeps under 7 hours27.8% 8.6 pts below the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost9.5% 3.5 pts below the national average of 13%
Vision disability3.9% 1.7 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments196
People employed1,559
Annual payroll$72,239,000
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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 75.7% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 4 census tracts this ZIP code covers
Expected annual loss86.2 out of 100
Community resilience24.6 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 weather99.8Very High at its worst in this ZIP code
Wildfire98.1Very High at its worst in this ZIP code
Hail92.2Very High at its worst in this ZIP code
Lightning90.7Very High at its worst in this ZIP code
Ice storm89.7Relatively High at its worst in this ZIP code
Cold wave88.3Very High at its worst in this ZIP code
Landslide87.6Relatively Low at its worst in this ZIP code
Strong wind83.4Relatively High at its worst in this ZIP code
River flooding75.9Very High at its worst in this ZIP code
Tornado63.6Relatively High at its worst in this ZIP code
Earthquake43.7Relatively Low at its worst in this ZIP code
Heat wave25.4Relatively Moderate at its worst in this ZIP code
Drought14.6Very Low at its worst in this ZIP code
Avalanche0.8Very 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$81,858$72,421$78,538
Income per person$39,644$38,880$43,289
Poverty rate5.1%12%12.4%
Median home value$271,400$236,800$303,400
Median gross rent$1,167$912$1,348
Homeownership88.3%68.6%65%
Bachelor's degree or higher28.7%31.1%35%
Unemployment rate4.2%3%5.2%
Works from home4%9.3%13.5%
Born outside the US2.6%3.9%13.9%
Median age41.837.738.7
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 4NW, SD US6.2 km away
Rain in a year19 in
Snow in a year36 in

Average high and low by month

January36.9°F / 13.2°F0.24 in rain, 3.9 in snow
February37.8°F / 14.5°F0.44 in rain, 6.1 in snow
March46.7°F / 22.6°F0.88 in rain, 6.2 in snow
April54.4°F / 31°F1.99 in rain, 7.9 in snow
May64.4°F / 41.6°F3.73 in rain, 0.9 in snow
June75.4°F / 51.6°F2.95 in rain
July83.6°F / 58.2°F2.68 in rain
August82.7°F / 56.3°F1.97 in rain
September73.9°F / 46.9°F1.48 in rain
October59.3°F / 34.9°F1.6 in rain, 2.1 in snow
November47.3°F / 23.5°F0.51 in rain, 4 in snow
December38.6°F / 15.4°F0.31 in rain, 5 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 46-153.1% of this ZIP code's land area
Rapid City School District 51-446.9% 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 vulnerability25more vulnerable than 25% of US census tracts
Socioeconomic status35more vulnerable than 35% of US census tracts
Household characteristics39more vulnerable than 39% of US census tracts
Racial and ethnic minority status21more vulnerable than 21% of US census tracts
Housing type and transport21more vulnerable than 21% 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.

57709 Rapid City, SD8.7 km away
57769 Piedmont, SD8.8 km away
57701 Rapid City, SD11.5 km away
57702 Rapid City, SD16.4 km away
57759 Nemo, SD17 km away
57703 Rapid City, SD17.9 km away
57706 Ellsworth Afb, SD21.8 km away
57719 Box Elder, SD22.6 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 County98.7% of this ZIP code's land area
Pennington County1.3% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area26.58 sq mi
Population density276 people per sq mi
Latitude, longitude44.1512, -103.3486

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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