US ZIP Code
57650

Ralph, SD

Harding County  ·  South Dakota

● Active
👥 14 Population ↓ 53% since 2019
🎂 34.0 Median Age ↓ 28% since 2019
🎓 100.0% College Grads
▲ 158% above avg
📊 0.0% Unemployment
▼ 100% below avg
ZIP Code Details
ZIP Code57650
CityRalph
StateSouth Dakota (SD)
CountyHarding County
Area Code605
Elevation3,045 ft
Latitude45.830929
Longitude-103.034682
TimezoneChicago (DST)
FIPS46063
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 78.6% (11) Female 21.4% (3) ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

5–17
50%
45–64
50%

Key Indicators

Median Age34.0 yrs ↓ 28% since 2019
Avg Household Size4.67
Below Poverty0.0% ▼ 100% below avg
College Grads100.0% ▲ 158% above avg
Unemployment0.0% ▼ 100% below avg
Bachelors4 (57.1%)
Graduate Degree3 (42.9%)

Education

Bachelors: 57.1%Graduate: 42.9%Edu
Bachelors57.1%
Graduate42.9%
Housing & Income

Housing Tenure

Renter: 100%Tenure
Renter100.0%

Financials

Total Units6
Vacant Units3
Avg HH Size4.67

Income Distribution

$100k–150k
100%
Employment & Commute

How People Get to Work

Work From Home
100%

Commute Time

30–45 min
100%
Frequently Asked Questions
ZIP code 57650 is in Ralph, SD, in Harding County.
ZIP code 57650 is located in South Dakota (SD).
ZIP code 57650 is in Harding County, SD.
ZIP 57650 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 57650 is 14 people (ACS 2023).
Income data not available.
Home value data not available.
About ZIP Code 57650

ZIP code 57650 is located in Ralph, South Dakota, within Harding County. With a population of 14, this is a sparsely populated ZIP code with a relatively young community — the median age is 34 years.

The population of 57650 is primarily White (100.00%). Residents are highly educated — 100.0% hold a bachelor's degree or higher, which is more than double the national average.

A notably high share of workers — 57% — work from home, reflecting the professional makeup of the area.

Overall, ZIP code 57650 in Ralph, SD is characterized as highly educated, and a relatively young community.