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South Dakota ZIP Codes
Custer County
Hermosa, SD
57744
57744 ZIP Code — Hermosa, SD
Custer County, South Dakota
ZIP code 57744 is located in
Hermosa ,
South Dakota ,
within Custer County .
It covers approximately 478.58 square miles and serves a population of
2,243 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 605 .
About ZIP code 57744
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 2000s, giving the area an established character. Median home value is $307,400. Owner-occupancy is high at 96%, well above the national average.
The gap between median ($84,063) and mean household income suggests income inequality — a small number of higher earners pull the average up. Poverty affects 23% of residents, above the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 36 minutes suggests many residents work outside the immediate area.
Educational attainment is near the national average, with 33% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (20%) compared to national benchmarks. 22% of residents lack health insurance, above the national average.
Overall, ZIP code 57744 reflects a community defined by economic challenges above the national average, high homeownership, and a significant Social Security-dependent population.
57744 ZIP code map
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Cities in ZIP code 57744
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
2,243
Population density
5 / sq mi
State FIPS
46
County FIPS
033
Geography
Land area
478.58 sq mi
Water area
0.72 sq mi
Latitude
43.8062
Longitude
-103.1328
Timezone
Mountain (MT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
34.5%
37.6%
41.7%
$50k – $100k
33.4%
34.7%
33.8%
$100k – $200k
29.7%
25.3%
20.1%
Over $200k
2.4%
2.4%
4.4%
Demographics & statistics
$84,063
Median household income
$307,400
Median home value
33.0%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 612 27.3%
18 and over 1,631 72.7%
65 and over 371 16.5%
Median age 43.9 years
Race & ethnicity
American Indian / Alaska Native
16.5%
Group Count %
White 1,626 66.9%
American Indian / Alaska Native 400 16.5%
Two or more races 209 8.6%
Hispanic or Latino 186 7.7%
Asian 7 0.3%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
34.5%
37.6%
41.7%
$50k – $100k
33.4%
34.7%
33.8%
$100k – $200k
29.7%
25.3%
20.1%
Over $200k
2.4%
2.4%
4.4%
Range % of households
Under $10k 3.8%
$10k–$15k 1.8%
$15k–$25k 9.4%
$25k–$35k 1.8%
$35k–$50k 12.6%
$50k–$75k 13.8%
$75k–$100k 11.7%
$100k–$150k 19.1%
$150k–$200k 14.2%
$200k+ 11.7%
Median income $84,063
Housing
Housing overview
Metric Value
Median home value $307,400
Median rent / month $0
Owner occupied 95.8%
Renter occupied 4.2%
Vacant 11.6%
Single-family detached 76.2%
Large apartment buildings 0.0%
Mobile homes 23.0%
Median rooms 6.8
Avg household size (owned) 2.77
Year built
Era %
2020 or later 0.5%
2010–2019 16.8%
2000–2009 33.4%
1990–1999 13.4%
1980–1989 8.6%
1970–1979 10.4%
1960–1969 4.5%
1950–1959 2.9%
1940–1949 2.2%
1939 or earlier 7.2%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 2.5%
2 bedrooms 11.7%
3 bedrooms 48.3%
4 bedrooms 31.7%
5+ bedrooms 5.8%
Vehicles per household
Vehicles % of households
No vehicle 0.6%
1 vehicle 20.8%
2 vehicles 24.4%
3 or more 54.2%
Heating fuel
Fuel type %
Utility gas 7.6%
Electricity 36.2%
Propane / LP gas 42.4%
Wood 12.3%
Households & families
Household type Count %
Married-couple family 614 75.1%
Cohabiting couple 49 6.0%
Male householder, no spouse 45 5.5%
Female householder, no spouse 110 13.4%
Households with children under 18 293 35.8%
Households with seniors (65+) 290 35.5%
Average household size 2.74
Marital status
Status Male Female
Never married 27.4% 9.9%
Married 65.6% 74.0%
Separated 0.0% 0.0%
Widowed 1.5% 10.9%
Divorced 5.5% 5.1%
Education
Some college, no degree
17.6%
Graduate / professional
13.8%
Metric %
HS diploma or higher 94.4%
Bachelor's or higher 33.0%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 26 5.9%
Kindergarten 28 6.4%
Elementary school 248 56.6%
High school 103 23.5%
College / grad school 33 7.5%
Employment
Industry of employment
Education & healthcare
31.2%
Agriculture & mining
6.6%
Arts, food & hospitality
6.1%
Finance & real estate
5.8%
Transportation & utilities
5.6%
Professional & management
4.2%
Public administration
3.3%
Occupation
Category %
Management, business & arts 43.4%
Service 16.1%
Sales & office 14.5%
Natural resources & construction 12.9%
Production & transportation 13.2%
Employment type
Type %
Private sector 68.8%
Government 17.8%
Self-employed 13.4%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 79.2%
Carpool 8.1%
Public transit 0.0%
Walk 0.9%
Work from home 11.8%
Other means 0.0%
Avg commute (minutes) 36.1
Poverty
Married-couple families
3.4%
Female-led households
64.5%
Income support
Source % of households
Social Security 34.6%
Retirement income 28.2%
Supplemental Security 7.1%
Cash public assistance 3.2%
Food stamps / SNAP 4.2%
Health indicators
Condition %
Obesity 35.8%
High blood pressure 33.4%
High cholesterol 32.9%
Diabetes 10.0%
Heart disease 7.0%
Stroke 3.3%
Asthma 9.5%
Arthritis 25.0%
Kidney disease 3.0%
Pulmonary disease 6.7%
Cancer 6.9%
Behavior / access %
Smoking 20.3%
Binge drinking 19.3%
No physical activity 23.8%
Less than 7 hrs sleep 28.7%
Depression 16.6%
Fair or poor health 12.8%
Poor mental health 11.3%
Poor physical health 10.0%
No health insurance 11.7%
Visited doctor (checkup) 75.8%
Visited dentist 66.0%
Cholesterol screening 89.5%
Teeth loss 13.6%
Veterans & disability
Veterans Count %
Civilian veterans 166 10.2%
Disability %
Any disability 8.9%
Under 18 0.0%
18–64 years 9.4%
65 and over 21.8%
Health insurance coverage
Type %
Private insurance 61.8%
Public insurance 23.4%
No insurance 22.0%
Uninsured under 19 38.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 2,108 94.0%
Spanish 1 0.0%
Other Indo-European 0 0.0%
Asian & Pacific Islander 0 0.0%
Other languages 1 0.0%
Place of birth & citizenship
Origin Count %
Native born (US) 2,236 99.7%
Born in same state 2,210 98.5%
Born in different state 1,298 57.9%
Foreign born 26 1.2%
Naturalized citizen 7 0.3%
Not a US citizen 7 100.0%
Ancestry
Ancestry Count %
Italian 304 13.6%
French 226 10.1%
Polish 222 9.9%
Arab 109 4.9%
Ancestry Count %
English 46 2.1%
Norwegian 11 0.5%
German 1 0%
Technology access
Metric % of households
Computer access 36.5%
Internet access 97.6%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57744
What city is ZIP code 57744 in?
ZIP code 57744 is primarily assigned to Hermosa, South Dakota.
What county is ZIP code 57744 in?
ZIP code 57744 falls within Pennington County, South Dakota.
Is ZIP code 57744 mostly owner-occupied?
96% of occupied units in ZIP code 57744 are owner-occupied, well above the national average.
What is the poverty rate in ZIP code 57744?
23% of residents in ZIP code 57744 live below the poverty line, above the national average.
Does ZIP code 57744 have a large veteran population?
10% of civilians in ZIP code 57744 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 57744?
The median home value in ZIP code 57744 is $307,400.
What timezone is ZIP code 57744 in?
ZIP code 57744 observes the MST timezone.
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