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South Dakota ZIP Codes
Custer County
Buffalo Gap, SD
57722
57722 ZIP Code — Buffalo Gap, SD
Custer County, South Dakota
ZIP code 57722 is located in
Buffalo Gap ,
South Dakota ,
within Custer County .
It covers approximately 544.72 square miles and serves a population of
143 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 605 .
57722 ZIP code map
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Cities in ZIP code 57722
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
143
Population density
0 / sq mi
State FIPS
46
County FIPS
033
Geography
Land area
544.72 sq mi
Water area
0.66 sq mi
Latitude
43.5148
Longitude
-103.2504
Timezone
Mountain (MT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.9%
37.6%
41.7%
$50k – $100k
45.2%
34.7%
33.8%
$100k – $200k
1.9%
25.3%
20.1%
Over $200k
0.0%
2.4%
4.4%
Demographics & statistics
$55,000
Median household income
21.4%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 13 9.1%
18 and over 130 90.9%
65 and over 62 43.4%
Median age 61.7 years
Race & ethnicity
American Indian / Alaska Native
0.7%
Group Count %
White 140 97.9%
Two or more races 2 1.4%
American Indian / Alaska Native 1 0.7%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
52.9%
37.6%
41.7%
$50k – $100k
45.2%
34.7%
33.8%
$100k – $200k
1.9%
25.3%
20.1%
Over $200k
0.0%
2.4%
4.4%
Range % of households
Under $10k 1.3%
$10k–$15k 2.5%
$15k–$25k 31.3%
$25k–$35k 11.3%
$35k–$50k 2.5%
$50k–$75k 12.5%
$75k–$100k 33.8%
$100k–$150k 5.0%
Median income $55,000
Housing
Housing overview
Metric Value
Median home value $75,000
Median rent / month $0
Owner occupied 86.3%
Renter occupied 13.8%
Vacant 55.1%
Single-family detached 83.1%
Large apartment buildings 0.0%
Mobile homes 16.9%
Median rooms 5.2
Avg household size (owned) 1.75
Year built
Era %
2020 or later 0.0%
2010–2019 1.7%
2000–2009 1.1%
1990–1999 2.2%
1980–1989 0.0%
1970–1979 10.1%
1960–1969 14.6%
1950–1959 18.0%
1940–1949 5.6%
1939 or earlier 46.6%
Bedrooms
Size % of units
No bedroom (studio) 18.0%
1 bedroom 3.4%
2 bedrooms 39.3%
3 bedrooms 17.4%
4 bedrooms 12.4%
5+ bedrooms 9.6%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 15.0%
2 vehicles 45.0%
3 or more 40.0%
Heating fuel
Fuel type %
Electricity 7.5%
Propane / LP gas 86.3%
Wood 6.3%
Households & families
Household type Count %
Married-couple family 31 38.8%
Cohabiting couple 0 0.0%
Male householder, no spouse 29 36.3%
Female householder, no spouse 20 25.0%
Households with children under 18 3 3.8%
Households with seniors (65+) 46 57.5%
Average household size 1.79
Marital status
Status Male Female
Never married 6.6% 1.9%
Married 44.7% 61.1%
Separated 6.6% 1.9%
Widowed 7.9% 29.6%
Divorced 34.2% 5.6%
Education
Some college, no degree
39.7%
Graduate / professional
5.6%
Metric %
HS diploma or higher 98.4%
Bachelor's or higher 21.4%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 6 60.0%
High school 0 0.0%
College / grad school 4 40.0%
Employment
Industry of employment
Education & healthcare
26.8%
Agriculture & mining
15.5%
Professional & management
7.0%
Finance & real estate
4.2%
Transportation & utilities
2.8%
Public administration
1.4%
Occupation
Category %
Management, business & arts 19.7%
Service 2.8%
Sales & office 33.8%
Natural resources & construction 29.6%
Production & transportation 14.1%
Employment type
Type %
Private sector 71.8%
Government 14.1%
Self-employed 14.1%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 85.7%
Carpool 0.0%
Public transit 0.0%
Walk 0.0%
Work from home 14.3%
Other means 0.0%
Avg commute (minutes) 30.8
Poverty
Married-couple families
0.0%
Female-led households
14.3%
Income support
Source % of households
Social Security 67.5%
Retirement income 53.8%
Supplemental Security 0.0%
Cash public assistance 1.3%
Food stamps / SNAP 3.8%
Health indicators
Condition %
Obesity 36.6%
High blood pressure 39.4%
High cholesterol 34.6%
Diabetes 13.4%
Heart disease 10.0%
Stroke 4.9%
Asthma 9.7%
Arthritis 29.8%
Kidney disease 4.1%
Pulmonary disease 8.8%
Cancer 8.4%
Behavior / access %
Smoking 21.8%
Binge drinking 16.6%
No physical activity 28.0%
Less than 7 hrs sleep 28.7%
Depression 15.5%
Fair or poor health 16.8%
Poor mental health 11.1%
Poor physical health 12.2%
No health insurance 12.6%
Visited doctor (checkup) 78.0%
Visited dentist 62.7%
Cholesterol screening 90.1%
Teeth loss 18.0%
Veterans & disability
Veterans Count %
Civilian veterans 56 43.1%
Disability %
Any disability 27.3%
Under 18 0.0%
18–64 years 2.9%
65 and over 59.7%
Health insurance coverage
Type %
Private insurance 57.3%
Public insurance 58.0%
No insurance 12.6%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 136 95.1%
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) 140 97.9%
Born in same state 140 97.9%
Born in different state 39 27.3%
Foreign born 0 0.0%
Naturalized citizen 3 2.1%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
French 69 48.3%
Italian 44 30.8%
Dutch 3 2.1%
Ancestry Count %
Polish 2 1.4%
Arab 1 0.7%
Technology access
Metric % of households
Computer access 55.9%
Internet access 91.3%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57722
What city is ZIP code 57722 in?
ZIP code 57722 is primarily assigned to Buffalo Gap, South Dakota.
What county is ZIP code 57722 in?
ZIP code 57722 falls within Custer County, South Dakota.
Does ZIP code 57722 have a large veteran population?
43% of civilians in ZIP code 57722 are veterans, above the national average of ~7%.
Does ZIP code 57722 have an older population?
43% of residents in ZIP code 57722 are 65 or older, above the national average of ~17%.
Does ZIP code 57722 have a large retiree population?
68% of households in ZIP code 57722 receive Social Security income, suggesting a significant retiree or disability population.
Is ZIP code 57722 mostly owner-occupied?
86% of occupied units in ZIP code 57722 are owner-occupied, well above the national average.
What timezone is ZIP code 57722 in?
ZIP code 57722 observes the MST timezone.
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