Buffalo, SC ZIP code
The ZIP code for Buffalo, South Carolina is 29321. It is in Union County.
- Population in these ZIPs
- 3,236
- Avg. median income
- $34,500population-weighted
- Typical home value
- $60,000population-weighted
- Metro area
- Spartanburg, SC
Loading map…
Click anywhere on the map to see which ZIP code it's in.
Buffalo, SC ZIP code list
| ZIP code | Population | Median income | Typical home value |
|---|---|---|---|
| 29321 | 3,236 | $34,464 | $60,000 |
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 Buffalo
- Pauline 8 mi
- Union 8 mi
- Cross Anchor 8 mi
- Jonesville 9 mi
- Enoree 10 mi
- Pacolet 13 mi
- Roebuck 13 mi
- Pacolet Mills 14 mi
- Lockhart 17 mi
- Glendale 17 mi
- Whitmire 17 mi
- Woodruff 18 mi
Frequently asked questions
What is the ZIP code for Buffalo, SC?
The ZIP code for Buffalo, SC is 29321.
What county is Buffalo, South Carolina in?
Buffalo ZIP codes are in Union County.