Buffalo, SC ZIP Codes
One ZIP code serves Buffalo, South Carolina: 29321. Together they are home to 3,236 residents in 1,299 households. That is more than the 1,329 people counted inside Buffalo Census-designated place, because these ZIP codes reach past its boundary.
Buffalo Census-designated place
| Measure | Census figure |
|---|---|
| Residents | 1,329 |
| Households | 531 |
| Median household income | $21,614 |
| Median home value | $46,400 |
| Median age | 30.8 |
| Median rent | not published |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 3,236 |
| Households (sum of ZIP codes) | 1,299 |
| Median household income, range across ZIP codes | $34,464 (29321) to $34,464 (29321) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $34,464 |
| Homeowners | 86.4% |
| Households with kids under 18 | 36.3% |
| Moved in the past year | 10.9% |
| Carrier routes in EDDM2GO's route library | 2 routes, 1,116 homes (1 of 1 ZIP codes) |
Every ZIP code in Buffalo
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29321 | Buffalo | 3,236 | 1,299 | $34,464 | $60,000 | 86.4% | 36.3% | 10.9% | 2 | 1,144 | 10% of its land; mailing city |
A ZIP code is listed for Buffalo when at least 10% of its land lies inside the Buffalo Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Buffalo. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Buffalo.
Counties
- Union County — 8 ZIP codes
Price a mailing to Buffalo ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Buffalo, SC?
- 29321. A ZIP code is listed for Buffalo when at least 10% of its land lies inside the Buffalo Census-designated place, when it holds at least 10% of the place's land, or when its USPS mailing city is Buffalo.
- What is the population of Buffalo, SC?
- The Census Bureau counts 1,329 residents inside Buffalo Census-designated place (ACS 2020–2024). The 1 ZIP code that serve Buffalo hold 3,236 residents in all.
- What is the median household income in Buffalo, SC?
- $21,614 inside Buffalo Census-designated place, per the Census Bureau. Across its ZIP codes the medians run from $34,464 to $34,464.
- How many carrier routes and mailboxes are in Buffalo, SC?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 2 carrier routes reaching 1,116 residential and 28 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.