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South Dakota ZIP Codes
Hamlin County
Bryant, SD
57221
57221 ZIP Code — Bryant, SD
Hamlin County, South Dakota
ZIP code 57221 is located in
Bryant ,
South Dakota ,
within Hamlin County .
It covers approximately 118.20 square miles and serves a population of
1,020 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 605 .
About ZIP code 57221
The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $188,400. Owner-occupancy sits near the national average at 75%.
Median household income is $74,750. Poverty affects 21% of residents, above the national average.
The dominant occupation class is management, business, and professional, with construction as the leading industry. The average commute of 20 minutes is near the national average.
College attainment at 11% is below the national average, consistent with a trades and production-oriented local economy.
Overall, ZIP code 57221 reflects a community defined by a trades-oriented workforce and economic challenges above the national average.
57221 ZIP code map
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Cities in ZIP code 57221
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
1,020
Population density
9 / sq mi
State FIPS
46
County FIPS
057
Geography
Land area
118.20 sq mi
Water area
1.01 sq mi
Latitude
44.6080
Longitude
-97.4813
Timezone
Central (CT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.4%
30.6%
41.7%
$50k – $100k
33.1%
46.3%
33.8%
$100k – $200k
20.7%
20.9%
20.1%
Over $200k
4.7%
2.3%
4.4%
Demographics & statistics
$74,750
Median household income
$188,400
Median home value
11.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 349 34.2%
18 and over 671 65.8%
65 and over 177 17.4%
Median age 24.6 years
Race & ethnicity
Black or African American
0.2%
Group Count %
White 997 95.8%
Hispanic or Latino 21 2%
Other race 20 1.9%
Black or African American 2 0.2%
Two or more races 1 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.4%
30.6%
41.7%
$50k – $100k
33.1%
46.3%
33.8%
$100k – $200k
20.7%
20.9%
20.1%
Over $200k
4.7%
2.3%
4.4%
Range % of households
Under $10k 0.6%
$10k–$15k 1.3%
$15k–$25k 6.6%
$25k–$35k 9.4%
$35k–$50k 16.7%
$50k–$75k 15.7%
$75k–$100k 15.7%
$100k–$150k 23.6%
$150k–$200k 5.7%
$200k+ 4.7%
Median income $74,750
Housing
Housing overview
Metric Value
Median home value $188,400
Median rent / month $660
Owner occupied 74.5%
Renter occupied 25.5%
Vacant 11.4%
Single-family detached 90.3%
Large apartment buildings 0.0%
Mobile homes 3.6%
Median rooms 6.6
Avg household size (owned) 3.19
Year built
Era %
2020 or later 0.8%
2010–2019 15.0%
2000–2009 9.2%
1990–1999 2.8%
1980–1989 11.4%
1970–1979 11.4%
1960–1969 2.5%
1950–1959 11.4%
1940–1949 5.8%
1939 or earlier 29.5%
Bedrooms
Size % of units
No bedroom (studio) 3.1%
1 bedroom 5.0%
2 bedrooms 18.1%
3 bedrooms 37.6%
4 bedrooms 19.8%
5+ bedrooms 16.4%
Vehicles per household
Vehicles % of households
No vehicle 3.8%
1 vehicle 16.4%
2 vehicles 38.4%
3 or more 41.5%
Heating fuel
Fuel type %
Utility gas 55.0%
Electricity 29.6%
Propane / LP gas 13.5%
Fuel oil 0.9%
Wood 0.6%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 201 63.2%
Cohabiting couple 11 3.5%
Male householder, no spouse 75 23.6%
Female householder, no spouse 31 9.7%
Households with children under 18 122 38.4%
Households with seniors (65+) 76 23.9%
Average household size 2.95
Marital status
Status Male Female
Never married 22.1% 19.9%
Married 63.4% 63.0%
Separated 2.2% 0.0%
Widowed 4.5% 8.8%
Divorced 7.8% 8.3%
Education
Less than 9th grade
14.2%
Some college, no degree
13.6%
Graduate / professional
2.2%
Metric %
HS diploma or higher 83.6%
Bachelor's or higher 11.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 12 6.1%
Kindergarten 25 12.7%
Elementary school 112 56.9%
High school 39 19.8%
College / grad school 9 4.6%
Employment
Industry of employment
Education & healthcare
13.9%
Agriculture & mining
11.8%
Transportation & utilities
8.6%
Public administration
3.1%
Professional & management
2.2%
Arts, food & hospitality
1.9%
Finance & real estate
0.2%
Occupation
Category %
Management, business & arts 26.9%
Service 11.3%
Sales & office 13.7%
Natural resources & construction 26.9%
Production & transportation 21.3%
Employment type
Type %
Private sector 84.9%
Government 6.5%
Self-employed 8.4%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 83.7%
Carpool 5.0%
Public transit 0.0%
Walk 2.6%
Work from home 8.6%
Other means 0.0%
Avg commute (minutes) 20.2
Poverty
Married-couple families
14.4%
Female-led households
12.5%
Income support
Source % of households
Social Security 19.2%
Retirement income 11.3%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 1.6%
Health indicators
Condition %
Obesity 31.4%
High blood pressure 32.4%
High cholesterol 32.0%
Diabetes 9.4%
Heart disease 8.0%
Stroke 3.6%
Asthma 8.3%
Arthritis 25.6%
Kidney disease 3.3%
Pulmonary disease 6.4%
Cancer 8.6%
Behavior / access %
Smoking 16.9%
Binge drinking 18.7%
No physical activity 23.7%
Less than 7 hrs sleep 26.3%
Depression 14.4%
Fair or poor health 11.8%
Poor mental health 10.1%
Poor physical health 8.9%
No health insurance 12.7%
Visited doctor (checkup) 73.7%
Visited dentist 67.1%
Cholesterol screening 88.6%
Teeth loss 15.4%
Veterans & disability
Veterans Count %
Civilian veterans 43 6.4%
Disability %
Any disability 5.0%
Under 18 2.0%
18–64 years 2.1%
65 and over 27.0%
Health insurance coverage
Type %
Private insurance 74.4%
Public insurance 25.0%
No insurance 6.7%
Uninsured under 19 6.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 862 84.5%
Spanish 27 3.1%
Other Indo-European 27 3.1%
Asian & Pacific Islander 0 0.0%
Other languages 0 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 981 96.2%
Born in same state 981 96.2%
Born in different state 616 60.4%
Foreign born 0 0.0%
Naturalized citizen 39 3.8%
Not a US citizen 2 5.1%
Ancestry
Ancestry Count %
Polish 122 12%
French 74 7.3%
Arab 39 3.8%
Ancestry Count %
Italian 31 3%
Dutch 20 2%
English 4 0.4%
Technology access
Metric % of households
Computer access 31.2%
Internet access 95.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57221
What city is ZIP code 57221 in?
ZIP code 57221 is primarily assigned to Bryant, South Dakota.
What county is ZIP code 57221 in?
ZIP code 57221 falls within Hamlin County, South Dakota.
Is ZIP code 57221 family-oriented?
34% of residents in ZIP code 57221 are under 18, reflecting a younger, family-oriented community.
How educated is the population of ZIP code 57221?
11% of residents hold a bachelor's degree or higher — below the national average of ~33%, consistent with a trades-oriented local economy.
What is the poverty rate in ZIP code 57221?
21% of residents in ZIP code 57221 live below the poverty line, above the national average.
What is the typical home value in ZIP code 57221?
The median home value in ZIP code 57221 is $188,400.
What timezone is ZIP code 57221 in?
ZIP code 57221 observes the CST timezone.
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