57361 ZIP Code — Marty, SD
Charles Mix County, South Dakota
ZIP code 57361 is located in Marty, South Dakota, within Charles Mix County. It covers approximately 2.48 square miles and serves a population of 191 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.
191
population
2.48
sq mi land
Standard
ZIP type
Central (CT)
timezone
57361 ZIP code map
Cities in ZIP code 57361
Below are the cities the US Postal Service accepts for ZIP code 57361. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Marty | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 191 |
| Population density | 77 / sq mi |
| State FIPS | 46 |
| County FIPS | 023 |
| Geography | |
|---|---|
| Land area | 2.48 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 43.0015 |
| Longitude | -98.4270 |
| Timezone | Central (CT) |
| 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 | 73.5% | 48.4% | 41.7% |
| $50k – $100k | 14.7% | 33.7% | 33.8% |
| $100k – $200k | 11.8% | 13.5% | 20.1% |
| Over $200k | 0.0% | 4.4% | 4.4% |
Demographics & statistics
191
Population
77
People per sq mi
44.2
Median age
$19,808
Median household income
$11,482
Per capita income
$23,100
Median home value
$520
Median monthly rent
53.3%
Home ownership
74.3%
Poverty rate
54.7%
Unemployment
44
Housing units
0.0%
Bachelor's or higher
Age distribution
Male
Female
5
5–9
1
21
10–14
7
9
15–19
3
14
20–24
4
17
25–34
6
16
35–44
5
31
45–54
10
12
55–59
4
20
65–74
6
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 38 | 19.9% |
| 18 and over | 153 | 80.1% |
| 65 and over | 26 | 13.6% |
| Median age | 44.2 years | |
Race & ethnicity
American Indian / Alaska Native
97.9%
White
2.1%
| Group | Count | % |
|---|---|---|
| American Indian / Alaska Native | 187 | 97.9% |
| White | 4 | 2.1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 73.5% | 48.4% | 41.7% |
| $50k – $100k | 14.7% | 33.7% | 33.8% |
| $100k – $200k | 11.8% | 13.5% | 20.1% |
| Over $200k | 0.0% | 4.4% | 4.4% |
Under $10k
10.0%
$15k–$25k
56.7%
$25k–$35k
23.3%
$50k–$75k
3.3%
$150k–$200k
6.7%
| Range | % of households |
|---|---|
| Under $10k | 10.0% |
| $15k–$25k | 56.7% |
| $25k–$35k | 23.3% |
| $50k–$75k | 3.3% |
| $150k–$200k | 6.7% |
| Median income | $19,808 |
Housing
Home values
Under $50k
81.3%
$100k–$150k
12.5%
$200k–$300k
6.3%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $23,100 |
| Median rent / month | $520 |
| Owner occupied | 53.3% |
| Renter occupied | 46.7% |
| Vacant | 16.7% |
| Single-family detached | 87.5% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 4.9 |
| Avg household size (owned) | 3.22 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 6.9% |
| 1990–1999 | 0.0% |
| 1980–1989 | 0.0% |
| 1970–1979 | 50.0% |
| 1960–1969 | 27.8% |
| 1950–1959 | 0.0% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 15.3% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 12.5% |
| 2 bedrooms | 13.9% |
| 3 bedrooms | 62.5% |
| 4 bedrooms | 8.3% |
| 5+ bedrooms | 2.8% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 8.3% |
| 2 vehicles | 73.3% |
| 3 or more | 18.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 6.7% |
| Propane / LP gas | 70.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 10 | 16.7% |
| Cohabiting couple | 10 | 16.7% |
| Male householder, no spouse | 35 | 58.3% |
| Female householder, no spouse | 5 | 8.3% |
| Households with children under 18 | 44 | 73.3% |
| Households with seniors (65+) | 26 | 43.3% |
| Average household size | 3.18 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 47.5% | 59.0% |
| Married | 8.5% | 28.2% |
| Separated | 10.2% | 0.0% |
| Widowed | 22.0% | 0.0% |
| Divorced | 11.9% | 12.8% |
Education
Less than 9th grade
7.1%
Some HS, no diploma
15.0%
HS graduate
51.2%
Some college, no degree
21.3%
Associate's degree
5.5%
Bachelor's degree
0.0%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 78.0% |
| Bachelor's or higher | 0.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 20 | 62.5% |
| High school | 12 | 37.5% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Education & healthcare
37.9%
Construction
24.1%
Public administration
17.2%
Manufacturing
13.8%
Agriculture & mining
6.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 31.0% |
| Service | 31.0% |
| Sales & office | 0.0% |
| Natural resources & construction | 24.1% |
| Production & transportation | 13.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 51.7% |
| Government | 48.3% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 31.0% |
| Carpool | 0.0% |
| Public transit | 13.8% |
| Walk | 31.0% |
| Work from home | 24.1% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
74.3%
Under 18 years
84.2%
18 and over
71.9%
Married-couple families
80.0%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 43.3% |
| Retirement income | 6.7% |
| Supplemental Security | 13.3% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 65.0% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 42.3% |
| High blood pressure | 32.9% |
| High cholesterol | 26.1% |
| Diabetes | 14.3% |
| Heart disease | 7.5% |
| Stroke | 4.7% |
| Asthma | 12.5% |
| Arthritis | 22.1% |
| Kidney disease | 3.7% |
| Pulmonary disease | 8.4% |
| Cancer | 5.0% |
| Behavior / access | % |
|---|---|
| Smoking | 33.1% |
| Binge drinking | 19.0% |
| No physical activity | 31.8% |
| Less than 7 hrs sleep | 38.6% |
| Depression | 18.5% |
| Fair or poor health | 21.6% |
| Poor mental health | 16.5% |
| Poor physical health | 14.1% |
| No health insurance | 15.8% |
| Visited doctor (checkup) | 75.6% |
| Visited dentist | 52.3% |
| Cholesterol screening | 83.1% |
| Teeth loss | 27.7% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 0 | 0.0% |
| Disability | % |
|---|---|
| Any disability | 22.5% |
| Under 18 | 0.0% |
| 18–64 years | 13.4% |
| 65 and over | 100.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 13.1% |
| Public insurance | 45.5% |
| No insurance | 44.0% |
| Uninsured under 19 | 50.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 191 | 100.0% |
| 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) | 191 | 100.0% |
| Born in same state | 191 | 100.0% |
| Born in different state | 157 | 82.2% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 31.4% |
| Internet access | 86.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57361
What city is ZIP code 57361 in?
ZIP code 57361 is primarily assigned to Marty, South Dakota.
What county is ZIP code 57361 in?
ZIP code 57361 falls within Charles Mix County, South Dakota.
What is the poverty rate in ZIP code 57361?
74% of residents in ZIP code 57361 live below the poverty line, above the national average.
Does ZIP code 57361 have a large retiree population?
43% of households in ZIP code 57361 receive Social Security income, suggesting a significant retiree or disability population.
What is the median household income in ZIP code 57361?
The median household income in ZIP code 57361 is $19,808, below the national median of ~$75,000.
What is the typical home value in ZIP code 57361?
The median home value in ZIP code 57361 is $23,100.
What timezone is ZIP code 57361 in?
ZIP code 57361 observes the CST timezone.