57621 ZIP Code — Bullhead, SD

Corson County, South Dakota

ZIP code 57621 is located in Bullhead, South Dakota, within Corson County. It covers approximately 3.07 square miles and serves a population of 250 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 605.

About ZIP code 57621

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1980s, giving the area an established character. Renters make up the majority at 79%, typical of denser urban areas.

Median household income is $26,250. Poverty affects 74% of residents, above the national average. SNAP benefit usage at 50% of households reflects economic stress in the area.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 24 minutes is near the national average.

College attainment at 7% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (36%) compared to national benchmarks. 17% of residents lack health insurance, above the national average.

Overall, ZIP code 57621 reflects a community defined by a trades-oriented workforce, economic challenges above the national average, and elevated reliance on food assistance.

250

population

3.07

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

57621 ZIP code map

Cities in ZIP code 57621

Below are the cities the US Postal Service accepts for ZIP code 57621. Using any city not on this list may result in mail delivery delays.

City	Status
Bullhead	Acceptable

Demographics updated 05/2026

Population
Total population	250
Population density	81 / sq mi
State FIPS	46
County FIPS	031

Geography
Land area	3.07 sq mi
Water area	0.10 sq mi
Latitude	45.7749
Longitude	-101.0486
Timezone	Mountain (MT)
Area code	605

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	79.5%	61.0%	41.7%
$50k – $100k	11.0%	23.8%	33.8%
$100k – $200k	5.5%	12.9%	20.1%
Over $200k	4.1%	2.3%	4.4%

Demographics & statistics

250

Population

People per sq mi

24.6

Median age

$26,250

Median household income

$7,670

Per capita income

Median home value

$529

Median monthly rent

21.2%

Home ownership

73.7%

Poverty rate

51.1%

Unemployment

Housing units

7.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

← Male

Female →

Age summary

Group	Count	%
Under 18	103	41.2%
18 and over	147	58.8%
65 and over	13	5.2%
Median age	24.6 years

Race & ethnicity

American Indian / Alaska Native 99.2%

White 0.8%

Group	Count	%
American Indian / Alaska Native	248	99.2%
White	2	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	79.5%	61.0%	41.7%
$50k – $100k	11.0%	23.8%	33.8%
$100k – $200k	5.5%	12.9%	20.1%
Over $200k	4.1%	2.3%	4.4%

Under $10k 21.2%

$10k–$15k 19.2%

$15k–$25k 5.8%

$25k–$35k 19.2%

$35k–$50k 5.8%

$50k–$75k 11.5%

$75k–$100k 15.4%

$100k–$150k 1.9%

Range	% of households
Under $10k	21.2%
$10k–$15k	19.2%
$15k–$25k	5.8%
$25k–$35k	19.2%
$35k–$50k	5.8%
$50k–$75k	11.5%
$75k–$100k	15.4%
$100k–$150k	1.9%
Median income	$26,250

Housing

Home values

Under $50k 54.5%

$50k–$100k 9.1%

$100k–$150k 27.3%

$500k–$1M 9.1%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$529
Owner occupied	21.2%
Renter occupied	78.8%
Vacant	20.0%
Single-family detached	84.6%
Large apartment buildings	0.0%
Mobile homes	15.4%
Median rooms	5.1
Avg household size (owned)	3.73

Year built

Era	%
2020 or later	0.0%
2010–2019	0.0%
2000–2009	9.2%
1990–1999	20.0%
1980–1989	30.8%
1970–1979	26.2%
1960–1969	7.7%
1950–1959	4.6%
1940–1949	0.0%
1939 or earlier	1.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.1%
2 bedrooms	16.9%
3 bedrooms	63.1%
4 bedrooms	16.9%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	26.9%
1 vehicle	36.5%
2 vehicles	30.8%
3 or more	5.8%

Heating fuel

Fuel type	%
Propane / LP gas	100.0%

Households & families

Household type	Count	%
Married-couple family	7	13.5%
Cohabiting couple	4	7.7%
Male householder, no spouse	20	38.5%
Female householder, no spouse	21	40.4%
Households with children under 18	30	57.7%
Households with seniors (65+)	13	25.0%
Average household size	4.81

Marital status

Status	Male	Female
Never married	60.2%	57.3%
Married	15.7%	14.7%
Separated	0.0%	0.0%
Widowed	7.2%	12.0%
Divorced	16.9%	16.0%

Education

Less than 9th grade 0.0%

Some HS, no diploma 29.5%

HS graduate 50.0%

Some college, no degree 8.2%

Associate's degree 4.9%

Bachelor's degree 5.7%

Graduate / professional 1.6%

Metric	%
HS diploma or higher	70.5%
Bachelor's or higher	7.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	4	5.3%
Kindergarten	6	7.9%
Elementary school	43	56.6%
High school	20	26.3%
College / grad school	3	3.9%

Employment

Industry of employment

Agriculture & mining 32.6%

Education & healthcare 23.3%

Arts, food & hospitality 14.0%

Public administration 14.0%

Finance & real estate 11.6%

Construction 4.7%

Occupation

Category	%
Management, business & arts	44.2%
Service	18.6%
Sales & office	7.0%
Natural resources & construction	30.2%
Production & transportation	0.0%

Employment type

Type	%
Private sector	11.6%
Government	81.4%
Self-employed	7.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	78.0%
Carpool	0.0%
Public transit	0.0%
Walk	14.6%
Work from home	0.0%
Other means	7.3%
Avg commute (minutes)	24.3

Poverty

All people 73.7%

Under 18 years 85.0%

18 and over 66.0%

Married-couple families 71.4%

Female-led households 69.2%

Income support

Source	% of households
Social Security	26.9%
Retirement income	25.0%
Supplemental Security	13.5%
Cash public assistance	42.3%
Food stamps / SNAP	50.0%

Health indicators

Condition	%
Obesity	43.6%
High blood pressure	29.3%
High cholesterol	23.2%
Diabetes	13.1%
Heart disease	6.5%
Stroke	4.3%
Asthma	13.4%
Arthritis	19.2%
Kidney disease	3.4%
Pulmonary disease	8.0%
Cancer	3.7%

Behavior / access	%
Smoking	35.9%
Binge drinking	21.3%
No physical activity	33.3%
Less than 7 hrs sleep	34.6%
Depression	18.8%
Fair or poor health	23.2%
Poor mental health	17.7%
Poor physical health	14.1%
No health insurance	17.2%
Visited doctor (checkup)	73.4%
Visited dentist	47.0%
Cholesterol screening	79.4%
Teeth loss	32.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	8	5.4%

Disability	%
Any disability	12.8%
Under 18	4.9%
18–64 years	15.7%
65 and over	46.2%

Health insurance coverage

Type	%
Private insurance	6.8%
Public insurance	76.8%
No insurance	16.8%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	207	82.8%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	250	100.0%
Born in same state	250	100.0%
Born in different state	117	46.8%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	2	0.8%

Technology access

Metric	% of households
Computer access	20.8%
Internet access	78.8%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 57621

What city is ZIP code 57621 in?

ZIP code 57621 is primarily assigned to Bullhead, South Dakota.

What county is ZIP code 57621 in?

ZIP code 57621 falls within Corson County, South Dakota.

What is the poverty rate in ZIP code 57621?

74% of residents in ZIP code 57621 live below the poverty line, above the national average.

Is ZIP code 57621 mostly rentals?

79% of occupied units in ZIP code 57621 are renter-occupied.

Is ZIP code 57621 family-oriented?

41% of residents in ZIP code 57621 are under 18, reflecting a younger, family-oriented community.

How educated is the population of ZIP code 57621?

7% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.

What timezone is ZIP code 57621 in?

ZIP code 57621 observes the MST timezone.