Bullhead, SD · standard

ZIP Code 57621

Corson County, South Dakota - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

378
2/sq mi Low-density area
$32,589
Median income Below-median income area
8.9%
Bachelor's or higher Below-average bachelor's attainment

National ZIP placement

Bullhead pairs one of the lowest household incomes in the country, in a rural, renter-heavy area.

3rd pct
household income, US ZIPs
2
people per sq mi
23%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 57621 against every reporting US ZIP.

ZIP code 57621 is a sparsely populated ZIP (a standard USPS delivery area) in Bullhead, Corson County, South Dakota, home to just 378 residents across 252.0 square miles, a density of 2 people per square mile, in the Denver time zone.

ZIP 57621 sits on the lower end of the income spectrum: median household income is $32,589 (57% below the average South Dakota ZIP), while per-capita income is $7,640. Economic pressure is pronounced: 67.0% of residents are below the poverty line and unemployment is 47.1%. The ACS does not report a median home value for this ZIP, so housing cost context is limited to the available tenure and rent fields.

Formal educational attainment runs low here: just 8.9% of adults hold a bachelor's degree or higher, the median age is 19.7, and the average commute is -. No nearby ZIP peer set is available for this delivery area, so the South Dakota and national benchmarks above are the appropriate context for 57621.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

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Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 57621, Bullhead, SD · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

378

Population

252.0

Area (sq mi)

2

People / sq mi

Denver

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 57621?

19.7

Median Age

49.7%

Male

50.3%

Female

0.0%

Foreign-Born

White 1.0%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 99.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 0.0%
Hispanic or Latino 0.0%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$32,589

Median Household Income

-57% vs state ZIP avg

$7,640

Per Capita Income

67.0%

Poverty Rate

47.1%

Unemployment Rate

How ZIP 57621 ranks among South Dakota ZIPs

Bullhead, SD household income vs. every South Dakota ZIP code

Median household income among 337 reporting South Dakota ZIPs (this ZIP's population is too small for a reliable national-corpus placement)

$32,589 3rd percentile higher than 3% of 337 South Dakota ZIPs

This ZIP $0 $200K+ every South Dakota ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more South Dakota ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 69.1%
Bachelor's Degree or Higher 8.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

63

Total Housing Units

57

Occupied Units

6

Vacant Units

5.16

Avg Household Size

Occupancy Type

Owner 22.8%
Renter 77.2%

$592

Median Rent

1989

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Nationwide ZIPs with similar ACS profiles

Two Census-derived peer sets for ZIP 57621, both outside SD so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).

More ZIP Codes in Corson County

Frequently Asked Questions

What county is ZIP code 57621 in?

ZIP code 57621 (Bullhead) is located in Corson County, South Dakota. Corson County contains multiple ZIP codes, see the full list at /counties/corson-sd.

What is the population of ZIP code 57621?

ZIP code 57621 in Bullhead, SD has a population of 378 according to the Census Bureau ACS 2023 estimates.

What is the median household income in ZIP 57621?

The median household income in ZIP 57621 is $32,589, which is 57% below the national average of $76,288.

What is the demographic makeup of ZIP 57621?

The largest racial group in ZIP 57621 is American Indian or Alaska Native at 99.0%.

What is the education level in ZIP code 57621?

In ZIP code 57621, 69.1% of residents aged 25+ have a high school diploma or higher, and 8.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).

What percentage of residents own vs. rent in ZIP 57621?

In ZIP code 57621, approximately 22.8% of occupied housing units are owner-occupied and 77.2% are renter-occupied, based on Census ACS 2023 data.

What is the poverty rate in ZIP code 57621?

The poverty rate in ZIP code 57621 is 67.0% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

ZIP 57621's figures come from ACS 5-Year Estimates, Census ZIP Code Business Patterns, and the FHFA House Price Index. See our methodology for details.

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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.