Saint Charles ZIP Codes — Gregory County, SD
There is one unique ZIP code in Saint Charles, South Dakota and it is 57571. Area code: 605.
1
ZIP codes
10.66
sq mi land
0.00
sq mi water
605
area code
Saint Charles, SD ZIP code map
ZIP codes for Saint Charles, SD (1)
Demographics & statistics
31
Population
58.5
Median age
$23,333
Median household income
$12,971
Per capita income
$56,700
Median home value
$0
Median monthly rent
100.0%
Home ownership
22.6%
Poverty rate
0.0%
Unemployment
22
Housing units
15.0%
Bachelor's or higher
Age distribution
Male
Female
2
Under 5
3
1
5–9
2
1
20–24
2
0
25–34
1
3
55–59
4
4
65–74
5
1
75–84
2
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 8 | 25.8% |
| 18 and over | 23 | 74.2% |
| 65 and over | 12 | 38.7% |
| Median age | 58.5 years | |
Race & ethnicity
White
51.6%
Two or more races
35.5%
American Indian / Alaska Native
12.9%
| Group | Count | % |
|---|---|---|
| White | 16 | 51.6% |
| Two or more races | 11 | 35.5% |
| American Indian / Alaska Native | 4 | 12.9% |
Household income
Under $10k
6.3%
$15k–$25k
56.3%
$35k–$50k
37.5%
| Range | % of households |
|---|---|
| Under $10k | 6.3% |
| $15k–$25k | 56.3% |
| $35k–$50k | 37.5% |
| Median income | $23,333 |
Housing
Home values
Under $50k
37.5%
$50k–$100k
43.8%
$200k–$300k
18.8%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $56,700 |
| Median rent / month | $0 |
| Owner occupied | 100.0% |
| Renter occupied | 0.0% |
| Vacant | 27.3% |
| Single-family detached | 100.0% |
| Large apartment buildings | 0.0% |
| Mobile homes | 0.0% |
| Median rooms | 5.8 |
| Avg household size (owned) | 1.94 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.0% |
| 2010–2019 | 0.0% |
| 2000–2009 | 0.0% |
| 1990–1999 | 13.6% |
| 1980–1989 | 0.0% |
| 1970–1979 | 13.6% |
| 1960–1969 | 27.3% |
| 1950–1959 | 4.5% |
| 1940–1949 | 0.0% |
| 1939 or earlier | 40.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.0% |
| 1 bedroom | 0.0% |
| 2 bedrooms | 40.9% |
| 3 bedrooms | 13.6% |
| 4 bedrooms | 45.5% |
| 5+ bedrooms | 0.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 37.5% |
| 2 vehicles | 0.0% |
| 3 or more | 62.5% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 62.5% |
| Propane / LP gas | 37.5% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9 | 56.3% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 3 | 18.8% |
| Female householder, no spouse | 4 | 25.0% |
| Households with children under 18 | 3 | 18.8% |
| Households with seniors (65+) | 6 | 37.5% |
| Average household size | 1.94 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 30.0% | 23.1% |
| Married | 70.0% | 76.9% |
| Separated | 0.0% | 0.0% |
| Widowed | 0.0% | 0.0% |
| Divorced | 0.0% | 0.0% |
Education
Less than 9th grade
0.0%
Some HS, no diploma
20.0%
HS graduate
30.0%
Some college, no degree
35.0%
Associate's degree
0.0%
Bachelor's degree
15.0%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 80.0% |
| Bachelor's or higher | 15.0% |
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 | 0 | 0.0% |
Employment
Industry of employment
Construction
57.1%
Education & healthcare
42.9%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 42.9% |
| Service | 0.0% |
| Sales & office | 0.0% |
| Natural resources & construction | 57.1% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 57.1% |
| Government | 42.9% |
| Self-employed | 0.0% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 0.0% |
| Carpool | 100.0% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
22.6%
Under 18 years
0.0%
18 and over
30.4%
Married-couple families
33.3%
Female-led households
0.0%
Income support
| Source | % of households |
|---|---|
| Social Security | 56.3% |
| Retirement income | 0.0% |
| Supplemental Security | 18.8% |
| Cash public assistance | 0.0% |
| Food stamps / SNAP | 0.0% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 0.0% |
| High cholesterol | 0.0% |
| Heart disease | 0.0% |
| Stroke | 0.0% |
| Asthma | 0.0% |
| Arthritis | 0.0% |
| Kidney disease | 0.0% |
| Pulmonary disease | 0.0% |
| Cancer | 0.0% |
| Behavior / access | % |
|---|---|
| Binge drinking | 0.0% |
| No physical activity | 0.0% |
| Less than 7 hrs sleep | 0.0% |
| Fair or poor health | 0.0% |
| Poor mental health | 0.0% |
| Poor physical health | 0.0% |
| No health insurance | 0.0% |
| Visited doctor (checkup) | 0.0% |
| Visited dentist | 0.0% |
| Cholesterol screening | 0.0% |
| Teeth loss | 0.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 0 | 0.0% |
| Disability | % |
|---|---|
| Any disability | 9.7% |
| Under 18 | 0.0% |
| 18–64 years | 27.3% |
| 65 and over | 0.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 51.6% |
| Public insurance | 83.9% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 26 | 83.9% |
| 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) | 31 | 100.0% |
| Born in same state | 31 | 100.0% |
| Born in different state | 25 | 80.6% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 11 | 35.5% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 51.6% |
| Internet access | 81.3% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.