ZIP code 57633: Isabel, SD
57633 is a ZIP code in Isabel, South Dakota, mainly in Corson County. About 445 people live here.
- Population
- 445
- Median household income
- $78,750
- Typical home value
- $70,000ACS median value
- Median rent
- $818gross, per month
- Median age
- 36.5
- Homeowners
- 76.5%of occupied homes
Shaded: ZIP code 57633's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 57633 details
| City | Isabel |
|---|---|
| State | South Dakota |
| County | Corson County (also partly Ziebach County, Dewey 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 | 812.6 sq mi, plus 2.7 sq mi of water |
| Population density | 1 people per sq mi |
| Bachelor's degree or higher | 20.9% of adults 25+ |
| Average commute | 16.5 minutes |
| Center coordinates | 45.44159, -101.53238 |
ZIP codes near 57633
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 57656 | Timber Lake, SD | 20.7 mi | 1,000 |
| 57660 | Watauga, SD | 27.0 mi | 111 |
| 57644 | Meadow, SD | 27.3 mi | 388 |
| 57634 | Keldron, SD | 28.0 mi | 131 |
| 57636 | Lantry, SD | 28.6 mi | 104 |
| 57661 | Whitehorse, SD | 29.5 mi | 177 |
| 57623 | Dupree, SD | 30.0 mi | 902 |
| 57621 | Bullhead, SD | 31.6 mi | 294 |
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
Buying a home in 57633?
A typical home in ZIP code 57633 is worth about $70,000 (ACS median value). The median household here earns $78,750 a year. See what buying here would cost per month, with South Dakota average taxes and insurance filled in.
Monthly payment for a $70,000 homeWhat can a $78,750 income afford?Rental property numbers
About ZIP code 57633
What city is ZIP code 57633?
ZIP code 57633 is in Isabel, SD, in Corson County.
What county is ZIP code 57633 in?
57633 is mainly in Corson County, South Dakota, and partly in Ziebach County and Dewey County.
What is the population of ZIP code 57633?
About 445 people live in ZIP code 57633, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 57633 in?
57633 is in Mountain Time (UTC−7). It observes daylight saving time.