Barnwell, SC ZIP Codes
One ZIP code serves Barnwell, South Carolina: 29812. Together they are home to 11,132 residents in 4,244 households. That is more than the 4,613 people counted inside Barnwell city limits, because these ZIP codes reach past its boundary.
Barnwell city limits (Census)
| Measure | Census figure |
|---|---|
| Residents | 4,613 |
| Households | 1,789 |
| Median household income | $52,006 |
| Median home value | $145,300 |
| Median age | 36.4 |
| Median rent | $678 |
All 1 ZIP codes together
| Measure | Value |
|---|---|
| Residents (sum of ZIP codes) | 11,132 |
| Households (sum of ZIP codes) | 4,244 |
| Median household income, range across ZIP codes | $51,870 (29812) to $51,870 (29812) |
| Household-weighted average of ZIP medians (an approximation, not a true median) | $51,870 |
| Homeowners | 76.4% |
| Households with kids under 18 | 28.3% |
| Moved in the past year | 6.7% |
| Carrier routes in EDDM2GO's route library | 10 routes, 4,907 homes (1 of 1 ZIP codes) |
Every ZIP code in Barnwell
| ZIP | Mailing city | Residents | Households | Median income | Home value | Homeowners | With kids | New movers | Carrier routes | Mailboxes | Why listed |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 29812 | Barnwell | 11,132 | 4,244 | $51,870 | $112,900 | 76.4% | 28.3% | 6.7% | 10 | 5,243 | 5% of its land; mailing city |
A ZIP code is listed for Barnwell when at least 10% of its land lies inside Barnwell city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Barnwell. The table shows which applies. Totals add up whole ZIP codes, so they include any parts outside Barnwell.
Counties
- Barnwell County — 7 ZIP codes
Price a mailing to Barnwell ZIP codes
EDDM guides
Pick carrier routes on the EDDM route map
Frequently asked questions
- What ZIP codes are in Barnwell, SC?
- 29812. A ZIP code is listed for Barnwell when at least 10% of its land lies inside Barnwell city limits, when it holds at least 10% of the place's land, or when its USPS mailing city is Barnwell.
- What is the population of Barnwell, SC?
- The Census Bureau counts 4,613 residents inside Barnwell city limits (ACS 2020–2024). The 1 ZIP code that serve Barnwell hold 11,132 residents in all.
- What is the median household income in Barnwell, SC?
- $52,006 inside Barnwell city limits, per the Census Bureau. Across its ZIP codes the medians run from $51,870 to $51,870.
- How many carrier routes and mailboxes are in Barnwell, SC?
- For the 1 of 1 ZIP codes in EDDM2GO's stored route library: 10 carrier routes reaching 4,907 residential and 337 business mailboxes.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.