Ralph ZIP Code List — Harding County, SD
There is one unique ZIP code in Ralph, South Dakota and it is 57650. Area code: 605.
1
ZIP codes
75.62
sq mi land
0.13
sq mi water
605
area code
Ralph, SD ZIP code map
ZIP codes for Ralph, SD (1)
Demographics & statistics
13
Population
51.5
Median age
$0
Median household income
$32,131
Per capita income
$0
Median home value
$0
Median monthly rent
0.0%
Home ownership
0.0%
Poverty rate
0.0%
Unemployment
3
Housing units
37.5%
Bachelor's or higher
Age distribution
Male
Female
4
15–19
1
6
45–54
2
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 5 | 38.5% |
| 18 and over | 8 | 61.5% |
| 65 and over | 0 | 0.0% |
| Median age | 51.5 years | |
Race & ethnicity
White
100%
| Group | Count | % |
|---|---|---|
| White | 13 | 100% |
Household income
$100k–$150k
100.0%
| Range | % of households |
|---|---|
| $100k–$150k | 100.0% |
| Median income | $0 |
Housing
Home values
Housing overview
| Metric | Value |
|---|---|
| Median home value | $0 |
| Median rent / month | $0 |
| Owner occupied | 0.0% |
| Renter occupied | 100.0% |
| Vacant | 50.0% |
| Single-family detached | 100.0% |
| 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 | 50.0% |
| 1950–1959 | 50.0% |
| 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 | 50.0% |
| 4 bedrooms | 0.0% |
| 5+ bedrooms | 50.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 0.0% |
| 1 vehicle | 0.0% |
| 2 vehicles | 0.0% |
| 3 or more | 100.0% |
Heating fuel
| Fuel type | % |
|---|---|
| Electricity | 100.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 3 | 100.0% |
| Cohabiting couple | 0 | 0.0% |
| Male householder, no spouse | 0 | 0.0% |
| Female householder, no spouse | 0 | 0.0% |
| Households with children under 18 | 3 | 100.0% |
| Households with seniors (65+) | 0 | 0.0% |
| Average household size | 4.33 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 50.0% | 0.0% |
| Married | 50.0% | 100.0% |
| 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
0.0%
HS graduate
0.0%
Some college, no degree
0.0%
Associate's degree
62.5%
Bachelor's degree
37.5%
Graduate / professional
0.0%
| Metric | % |
|---|---|
| HS diploma or higher | 100.0% |
| Bachelor's or higher | 37.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 0 | 0.0% |
| Kindergarten | 0 | 0.0% |
| Elementary school | 0 | 0.0% |
| High school | 5 | 100.0% |
| College / grad school | 0 | 0.0% |
Employment
Industry of employment
Agriculture & mining
62.5%
Education & healthcare
37.5%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 100.0% |
| Service | 0.0% |
| Sales & office | 0.0% |
| Natural resources & construction | 0.0% |
| Production & transportation | 0.0% |
Employment type
| Type | % |
|---|---|
| Private sector | 37.5% |
| Government | 0.0% |
| Self-employed | 62.5% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 0.0% |
| Carpool | 37.5% |
| Public transit | 0.0% |
| Walk | 0.0% |
| Other means | 0.0% |
| Avg commute (minutes) | 0.0 |
Poverty
All people
0.0%
Under 18 years
0.0%
18 and over
0.0%
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 | % |
|---|---|
| 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 | 0.0% |
| Under 18 | 0.0% |
| 18–64 years | 0.0% |
| 65 and over | 0.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 100.0% |
| Public insurance | 0.0% |
| Uninsured under 19 | 0.0% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 13 | 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) | 13 | 100.0% |
| Born in same state | 13 | 100.0% |
| Born in different state | 0 | 0.0% |
| Foreign born | 0 | 0.0% |
| Naturalized citizen | 0 | 0.0% |
| Not a US citizen | 0 | 0.0% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 13 | 100% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 23.1% |
| Internet access | 100.0% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.