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South Dakota ZIP Codes
Lawrence County
Spearfish, SD
57799
57799 ZIP Code — Spearfish, SD
Lawrence County, South Dakota
ZIP code 57799 is located in
Spearfish ,
South Dakota ,
within Lawrence County .
It covers approximately 0.19 square miles and serves a population of
565 residents.
This is a standard ZIP code in the Mountain (MT) timezone,
served by area code 605 .
About ZIP code 57799
The housing stock consists of a mix of housing types.
The dominant occupation class is sales and office, with arts, entertainment, and food service as the leading industry. The average commute of 11 minutes is near the national average.
Educational attainment is near the national average, with 27% of residents holding a bachelor's degree or higher.
57799 ZIP code map
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Cities in ZIP code 57799
Below are the cities the US Postal Service accepts for ZIP code 57799. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
565
Population density
2,974 / sq mi
State FIPS
46
County FIPS
081
Geography
Land area
0.19 sq mi
Water area
0.00 sq mi
Latitude
44.4987
Longitude
-103.8726
Timezone
Mountain (MT)
Area code
605
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
100.0%
47.8%
41.7%
$50k – $100k
0.0%
29.1%
33.8%
$100k – $200k
0.0%
18.3%
20.1%
Over $200k
0.0%
4.8%
4.4%
Demographics & statistics
$0
Median household income
26.7%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 0 0.0%
18 and over 565 100.0%
65 and over 0 0.0%
Median age 19.4 years
Race & ethnicity
Black or African American
5.1%
American Indian / Alaska Native
4.8%
Group Count %
White 479 84.3%
Black or African American 29 5.1%
American Indian / Alaska Native 27 4.8%
Two or more races 21 3.7%
Asian 6 1.1%
Hispanic or Latino 3 0.5%
Other race 3 0.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
100.0%
47.8%
41.7%
$50k – $100k
0.0%
29.1%
33.8%
$100k – $200k
0.0%
18.3%
20.1%
Over $200k
0.0%
4.8%
4.4%
Housing
Home values
Housing overview
Metric Value
Median home value $0
Median rent / month $0
Owner occupied 0.0%
Renter occupied 0.0%
Vacant 0.0%
Single-family detached 0.0%
Large apartment buildings 0.0%
Mobile homes 0.0%
Median rooms 0.0
Avg household size (owned) 0.00
Year built
Era %
2020 or later 0.0%
2010–2019 0.0%
2000–2009 0.0%
1990–1999 0.0%
1980–1989 0.0%
1970–1979 0.0%
1960–1969 0.0%
1950–1959 0.0%
1940–1949 0.0%
1939 or earlier 0.0%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 0.0%
2 bedrooms 0.0%
3 bedrooms 0.0%
4 bedrooms 0.0%
5+ bedrooms 0.0%
Vehicles per household
Vehicles % of households
No vehicle 0.0%
1 vehicle 0.0%
2 vehicles 0.0%
3 or more 0.0%
Heating fuel
Households & families
Household type Count %
Married-couple family 0 0.0%
Cohabiting couple 0 0.0%
Male householder, no spouse 0 0.0%
Female householder, no spouse 0 0.0%
Households with children under 18 0 0.0%
Households with seniors (65+) 0 0.0%
Average household size 0.00
Marital status
Status Male Female
Never married 94.5% 97.0%
Married 1.0% 2.7%
Separated 0.0% 0.3%
Widowed 0.0% 0.0%
Divorced 4.5% 0.0%
Education
Some college, no degree
60.0%
Graduate / professional
26.7%
Metric %
HS diploma or higher 100.0%
Bachelor's or higher 26.7%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 0 0.0%
Kindergarten 0 0.0%
Elementary school 0 0.0%
High school 0 0.0%
College / grad school 561 100.0%
Employment
Industry of employment
Arts, food & hospitality
34.3%
Education & healthcare
24.9%
Transportation & utilities
2.3%
Public administration
1.3%
Occupation
Category %
Management, business & arts 6.8%
Service 40.5%
Sales & office 43.7%
Natural resources & construction 1.0%
Production & transportation 8.1%
Employment type
Type %
Private sector 80.9%
Government 19.1%
Self-employed 0.0%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 58.6%
Carpool 7.2%
Public transit 0.0%
Walk 26.6%
Work from home 7.6%
Other means 0.0%
Avg commute (minutes) 10.8
Poverty
Married-couple families
0.0%
Female-led households
0.0%
Income support
Source % of households
Social Security 0.0%
Retirement income 0.0%
Supplemental Security 0.0%
Cash public assistance 0.0%
Food stamps / SNAP 0.0%
Health indicators
Condition %
Obesity 15.8%
High blood pressure 6.1%
High cholesterol 7.1%
Diabetes 0.8%
Heart disease 0.6%
Stroke 0.3%
Asthma 10.1%
Arthritis 3.2%
Kidney disease 0.6%
Pulmonary disease 1.2%
Cancer 0.7%
Behavior / access %
Smoking 9.4%
Binge drinking 29.1%
No physical activity 12.5%
Less than 7 hrs sleep 23.4%
Depression 19.2%
Fair or poor health 4.3%
Poor mental health 16.0%
Poor physical health 3.3%
No health insurance 12.1%
Visited doctor (checkup) 63.4%
Visited dentist 72.8%
Cholesterol screening 69.5%
Teeth loss 10.2%
Veterans & disability
Veterans Count %
Civilian veterans 1 0.2%
Disability %
Any disability 18.8%
Under 18 0.0%
18–64 years 18.8%
65 and over 0.0%
Health insurance coverage
Type %
Private insurance 86.7%
Public insurance 14.2%
No insurance 7.1%
Uninsured under 19 4.5%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 565 100.0%
Spanish 9 1.6%
Other Indo-European 1 0.2%
Asian & Pacific Islander 0 0.0%
Other languages 5 0.9%
Place of birth & citizenship
Origin Count %
Native born (US) 550 97.3%
Born in same state 550 97.3%
Born in different state 228 40.4%
Foreign born 0 0.0%
Naturalized citizen 15 2.7%
Not a US citizen 0 0.0%
Ancestry
Ancestry Count %
Italian 71 12.6%
English 45 8%
Polish 42 7.4%
French 38 6.7%
Ancestry Count %
German 23 4.1%
Irish 12 2.1%
Dutch 6 1.1%
Arab 6 1.1%
Technology access
Metric % of households
Computer access 0.0%
Internet access 0.0%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57799
What city is ZIP code 57799 in?
ZIP code 57799 is primarily assigned to Spearfish, South Dakota.
What county is ZIP code 57799 in?
ZIP code 57799 falls within Lawrence County, South Dakota.
What is the population of ZIP code 57799?
ZIP code 57799 has an estimated population of 565 residents, with a density of 3,005 people per square mile.
What timezone is ZIP code 57799 in?
ZIP code 57799 observes the MST timezone.
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