ZIP codes in Brule County
7 ZIPs touch Brule County, South Dakota. The blue dashed line is the county border; orange ZIPs reach into it.
7
ZIP codes
6
cross the county line
8,957
people in these ZIPs
66
counties in SD
Most people
Brule County ZIP list
More counties in South Dakota
- Aurora County9
- Beadle County12
- Bennett County7
- Bon Homme County7
- Brookings County12
- Brown County19
- Buffalo County6
- Butte County8
- Campbell County7
- Charles Mix County10
- Clark County13
- Clay County8
Questions people actually ask
How many ZIP codes are in Brule County, South Dakota?
7 ZIP codes reach into Brule County, including 1 PO Box or single-address ZIPs placed by the town they serve. 6 of them are only partly in the county and also cover a neighboring county.
Which ZIP code in Brule County has the most people?
57325 (Chamberlain) has about 3,335 residents, the most of any ZIP touching Brule County, in the Census Bureau’s ACS 2020–2024 estimates.
Can a ZIP code be in Brule County and another county?
Yes. ZIP codes follow mail routes, not county lines. Rows marked with a percentage show how much of that ZIP’s land is in Brule County. For one address, pin the exact spot on the ZIP finder to see its county.
Where does this list come from?
ZIP areas and their county overlaps come from the Census Bureau’s 2020 ZIP Code Tabulation Area to county relationship file. PO Box ZIPs have no area, so each is placed in the county of the ZIP area nearest the town it serves.
Keep exploring
Updated 2026-11-10 · Where the data comes from