PlainZIP

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
$32,589
Median income
8.9%
Bachelor's or higher

The verdict

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

3th 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 South Dakota average), while per-capita income is $7,640. Local economic indicators show a 67.0% poverty rate alongside 47.1% unemployment. The typical home here is valued at -; renters pay a median of $592 monthly, and 22.8% of units are owner-occupied.

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 -. Use the benchmarks above to see where 57621 sits relative to South Dakota and the national baseline rather than viewing the numbers in isolation.

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 →

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

$7,640

Per Capita Income

67.0%

Poverty Rate

47.1%

Unemployment Rate

How ZIP 57621 ranks nationally

Bullhead, SD household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$32,589 3rd percentile higher than 3% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). This entry sits in this band. $40,000–$60,000: 7,092 US ZIPs (23%). Above this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US 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)

More ZIP Codes in Corson County

57642 standard
Mc Laughlin, SD
Pop: 1,917
57658 standard
Wakpala, SD
Pop: 446
57639 standard
Little Eagle, SD
Pop: 371
57644 standard
Meadow, SD
Pop: 335
57641 standard
Mc Intosh, SD
Pop: 295
57645 standard
Morristown, SD
Pop: 217

Related Areas

Corson County Bullhead, SD South Dakota

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.

Read our methodology to see how this data is sourced, computed, and verified.