Custer, SD ZIP code
The ZIP code for Custer, South Dakota is 57730. It is in Custer County.
- Population in these ZIPs
- 5,596
- Avg. median income
- $83,500population-weighted
- Typical home value
- $477,300population-weighted
- Metro area
- Rapid City, SD
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Custer, SD ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 57730 | 5,596 | $83,469 | $477,300 |
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
Cities near Custer
- Pringle 10 mi
- Keystone 15 mi
- Hill City 21 mi
- Fairburn 25 mi
- Hot Springs 25 mi
- Rapid City 31 mi
- Hermosa 31 mi
- Edgemont 32 mi
- Black Hawk 34 mi
- Oral 35 mi
- Nemo 35 mi
- Lead 38 mi
Frequently asked questions
What is the ZIP code for Custer, SD?
The ZIP code for Custer, SD is 57730.
What county is Custer, South Dakota in?
Custer ZIP codes are in Custer County.