ZIP code 57650: Ralph, SD
57650 is a ZIP code in Ralph, South Dakota, mainly in Harding County. About 17 people live here.
- Population
- 17
- Median household income
- —
- Typical home value
- —
- Median rent
- —gross, per month
- Median age
- 51.2
- Homeowners
- 25%of occupied homes
Shaded: ZIP code 57650's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57650 details
| City | Ralph |
|---|---|
| State | South Dakota |
| County | Harding County |
| Metro area | Not in a metro or micro area |
| Time zone | Mountain Time (UTC−7), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 75.6 sq mi, plus 0.1 sq mi of water |
| Population density | 0 people per sq mi |
| Bachelor's degree or higher | 33.3% of adults 25+ |
| Center coordinates | 45.83093, -103.03468 |
ZIP codes near 57650
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57755 | Ludlow, SD | 15.3 mi | 101 |
| 57640 | Lodgepole, SD | 16.5 mi | 41 |
| 58653 | Scranton, ND | 18.5 mi | 700 |
| 58649 | Reeder, ND | 22.3 mi | 354 |
| 57651 | Reva, SD | 24.5 mi | 191 |
| 58639 | Hettinger, ND | 24.6 mi | 1,762 |
| 57649 | Prairie City, SD | 25.3 mi | 273 |
| 58623 | Bowman, ND | 29.5 mi | 1,953 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
About ZIP code 57650
What city is ZIP code 57650?
ZIP code 57650 is in Ralph, SD, in Harding County.
What county is ZIP code 57650 in?
57650 is mainly in Harding County, South Dakota.
What is the population of ZIP code 57650?
About 17 people live in ZIP code 57650, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57650 in?
57650 is in Mountain Time (UTC−7). It observes daylight saving time.