57791 ZIP Code — Wasta, SD
Pennington County, South Dakota
ZIP code 57791 is located in Wasta, South Dakota, within Pennington County. It covers approximately 288.57 square miles and serves a population of 163 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 605.
163
population
288.57
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
57791 ZIP code map
Cities in ZIP code 57791
Below are the cities the US Postal Service accepts for ZIP code 57791. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Wasta | Acceptable |
| Wasta | Preferred |
Nearby ZIP codes
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 163 |
| Population density | 1 / sq mi |
| State FIPS | 46 |
| County FIPS | 103 |
| Geography | |
|---|---|
| Land area | 288.57 sq mi |
| Water area | 1.37 sq mi |
| Latitude | 44.2139 |
| Longitude | -102.4807 |
| 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 | 51.4% | 42.3% | 41.7% |
| $50k – $100k | 32.9% | 33.3% | 33.8% |
| $100k – $200k | 15.7% | 19.2% | 20.1% |
| Over $200k | 0.0% | 5.2% | 4.4% |
Demographics & statistics
163
Population
1
People per sq mi
55.3
Median age
$43,750
Median household income
$28,510
Per capita income
$113,300
Median home value
$0
Median monthly rent
84.7%
Home ownership
12.3%
Poverty rate
6.3%
Unemployment
86
Housing units
29.1%
Bachelor's or higher
Age distribution
Male
Female
2
Under 5
2
4
10–14
4
5
15–19
5
13
25–34
14
9
35–44
9
4
45–54
5
12
55–59
13
11
60–64
13
8
65–74
8
11
75–84
11
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 22 | 13.5% |
| 18 and over | 141 | 86.5% |
| 65 and over | 38 | 23.3% |
| Median age | 55.3 years | |
Race & ethnicity
White
96.3%
American Indian / Alaska Native
3.1%
Two or more races
0.6%
| Group | Count | % |
|---|---|---|
| White | 157 | 96.3% |
| American Indian / Alaska Native | 5 | 3.1% |
| Two or more races | 1 | 0.6% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 51.4% | 42.3% | 41.7% |
| $50k – $100k | 32.9% | 33.3% | 33.8% |
| $100k – $200k | 15.7% | 19.2% | 20.1% |
| Over $200k | 0.0% | 5.2% | 4.4% |
Under $10k
22.2%
$10k–$15k
4.2%
$25k–$35k
19.4%
$35k–$50k
6.9%
$50k–$75k
16.7%
$75k–$100k
6.9%
$100k–$150k
12.5%
$150k–$200k
11.1%
| Range | % of households |
|---|---|
| Under $10k | 22.2% |
| $10k–$15k | 4.2% |
| $25k–$35k | 19.4% |
| $35k–$50k | 6.9% |
| $50k–$75k | 16.7% |
| $75k–$100k | 6.9% |
| $100k–$150k | 12.5% |
| $150k–$200k | 11.1% |
| Median income | $43,750 |
Housing
Home values
Under $50k
11.5%
$50k–$100k
24.6%
$100k–$150k
26.2%
$150k–$200k
9.8%
$500k–$1M
27.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $113,300 |
| Median rent / month | $0 |
| Owner occupied | 84.7% |
| Renter occupied | 15.3% |
| Vacant | 25.8% |
| Single-family detached | 86.6% |
| Large apartment buildings | 0.0% |
| Mobile homes | 13.4% |
| Median rooms | 5.4 |
| Avg household size (owned) | 2.39 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 19.6% |
| 1990–1999 | 8.2% |
| 1980–1989 | 0.0% |
| 1970–1979 | 8.2% |
| 1960–1969 | 0.0% |
| 1950–1959 | 16.5% |
| 1940–1949 | 2.1% |
| 1939 or earlier | 45.4% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 45.4% |
| 3 bedrooms | 37.1% |
| 4 bedrooms | 11.3% |
| 5+ bedrooms | 6.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.2% |
| 1 vehicle | 33.3% |
| 2 vehicles | 47.2% |
| 3 or more | 15.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 4.2% |
| Electricity | 2.8% |
| Propane / LP gas | 93.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 42 | 58.3% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 0 | 0.0% |
| Female householder, no spouse | 30 | 41.7% |
| Households with children under 18 | 10 | 13.9% |
| Households with seniors (65+) | 32 | 44.4% |
| Average household size | 2.26 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 31.9% | 23.2% |
| Married | 68.1% | 50.0% |
| Separated | 0.0% | 1.2% |
| Widowed | 0.0% | 23.2% |
| Divorced | 0.0% | 2.4% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
1.4%
HS graduate
34.0%
Some college, no degree
31.2%
Associate's degree
4.3%
Bachelor's degree
27.7%
Graduate / professional
1.4%
| Metric | % |
|---|---|
| HS diploma or higher | 98.6% |
| Bachelor's or higher | 29.1% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 8 | 44.4% |
| High school | 10 | 55.6% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Agriculture & mining
42.2%
Arts, food & hospitality
15.6%
Wholesale trade
10.0%
Public administration
8.9%
Manufacturing
6.7%
Transportation & utilities
5.6%
Retail trade
4.4%
Education & healthcare
3.3%
Professional & management
2.2%
Information
1.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 54.4% |
| Service | 15.6% |
| Sales & office | 4.4% |
| Natural resources & construction | 11.1% |
| Production & transportation | 14.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 34.4% |
| Government | 21.1% |
| Self-employed | 44.4% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 31.1% |
| Carpool | 0.0% |
| Public transit | 0.0% |
| Walk | 1.1% |
| Work from home | 65.6% |
| Other means | 2.2% |
| Avg commute (minutes) | 20.0 |
Poverty
All people
12.3%
Under 18 years
0.0%
18 and over
14.2%
Married-couple families
4.8%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 37.5% |
| Retirement income | 23.6% |
| Supplemental Security | 0.0% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 16.7% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.1% |
| High blood pressure | 31.8% |
| High cholesterol | 30.5% |
| Diabetes | 9.1% |
| Heart disease | 6.9% |
| Stroke | 3.0% |
| Asthma | 8.7% |
| Arthritis | 24.8% |
| Kidney disease | 2.8% |
| Pulmonary disease | 5.8% |
| Cancer | 7.2% |
| Behavior / access | % |
|---|---|
| Smoking | 17.4% |
| Binge drinking | 19.0% |
| No physical activity | 21.2% |
| Less than 7 hrs sleep | 28.2% |
| Depression | 15.7% |
| Fair or poor health | 10.8% |
| Poor mental health | 10.5% |
| Poor physical health | 8.4% |
| No health insurance | 11.8% |
| Visited doctor (checkup) | 74.5% |
| Visited dentist | 66.0% |
| Cholesterol screening | 88.9% |
| Teeth loss | 13.1% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 16 | 11.3% |
| Disability | % |
|---|---|
| Any disability | 17.2% |
| Under 18 | 0.0% |
| 18–64 years | 13.6% |
| 65 and over | 36.8% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 74.2% |
| Public insurance | 35.6% |
| No insurance | 4.3% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 159 | 97.5% |
| 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) | 157 | 96.3% |
| Born in same state | 157 | 96.3% |
| Born in different state | 140 | 85.9% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 6 | 3.7% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Arab | 15 | 9.2% |
| Italian | 8 | 4.9% |
| Ancestry | Count | % |
|---|---|---|
| French | 7 | 4.3% |
| Polish | 5 | 3.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 44.2% |
| Internet access | 83.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57791
What city is ZIP code 57791 in?
ZIP code 57791 is primarily assigned to Wasta, South Dakota.
What county is ZIP code 57791 in?
ZIP code 57791 falls within Pennington County, South Dakota.
Is ZIP code 57791 mostly owner-occupied?
85% of occupied units in ZIP code 57791 are owner-occupied, well above the national average.
Does ZIP code 57791 have a large retiree population?
38% of households in ZIP code 57791 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 57791 have a large veteran population?
11% of civilians in ZIP code 57791 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 57791?
The median home value in ZIP code 57791 is $113,300.
What timezone is ZIP code 57791 in?
ZIP code 57791 observes the MST timezone.