ZIP code 29812
Where is ZIP code 29812?
Barnwell, South Carolina
Barnwell County · Standard ZIP code
ZIP code 29812 belongs to Barnwell, South Carolina in Barnwell County. 29812 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area codes 803 and 839. About 11,132 people live in the 29812 area, where the median household income is $51,870. The closest ZIP codes are 29813 (Hilda, 6.7 mi northeast), 29817 (Blackville, 10.2 mi northeast) and 29826 (Elko, 10.3 mi north).
| ZIP code | 29812 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Barnwell |
| Also accepted | Kline |
| State | South Carolina (SC) |
| County | Barnwell County |
| Time zone | Eastern Time · now |
| Area codes | 803, 839 |
| Coordinates | 33.2335, -81.3523 map |
| 3-digit prefix | 298 |
Population and income in 29812
| Population | 11,132 · higher than 63% of South Carolina ZIP codes |
|---|---|
| People per square mile | 64 · lower than 61% of South Carolina ZIP codes |
| Median age | 38.7 years · lower than 70% of South Carolina ZIP codes |
| Men / women | 48% / 52% |
| Median household income | $51,870 · lower than 68% of South Carolina ZIP codes |
| Income per person | $29,275 |
| Below the poverty line | 24% |
| Bachelor’s degree or higher | 15% of adults 25+ |
| Median home value | $112,900 · lower than 75% of South Carolina ZIP codes |
| Median rent | $717 a month |
| Housing units | 5,141 |
| Households | 4,244 (2.57 people on average) |
| Owners / renters | 76% / 24% |
| Land area | 173.48 sq mi (plus 1.74 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 29812. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 29812
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 29813 | Hilda, SC | 6.7 mi NE | PO Box only |
| 29817 | Blackville, SC | 10.2 mi NE | Standard |
| 29826 | Elko, SC | 10.3 mi N | PO Box only |
| 29843 | Olar, SC | 11.4 mi E | Standard |
| 29853 | Williston, SC | 11.6 mi N | Standard |
| 29836 | Martin, SC | 12.1 mi SW | Standard |
| 29849 | Ulmer, SC | 12.5 mi SE | Standard |
| 29042 | Denmark, SC | 13.6 mi NE | Standard |
| 29810 | Allendale, SC | 15.7 mi S | Standard |
| 29846 | Sycamore, SC | 16.2 mi SE | PO Box only |
| 29856 | Windsor, SC | 18.7 mi NW | Standard |
| 29003 | Bamberg, SC | 19.6 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 29812 or measure the distance to another ZIP code.
How to address mail to 29812
123 MAIN ST
BARNWELL SC 29812
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts KLINE as the city name for 29812. Avoid Snelling: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (29812-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 29812?
- 29812 is a Barnwell, South Carolina ZIP code. Kline is also accepted as the city name.
- What county is 29812 in?
- ZIP code 29812 is in Barnwell County, South Carolina.
- What time zone is ZIP code 29812 in?
- 29812 is in the Eastern Time zone (America/New_York).
- What area code is 29812?
- Phone numbers in ZIP code 29812 use area codes 803 and 839.
- What is the population of ZIP code 29812?
- About 11,132 people live in ZIP code 29812, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 29812?
- The median household income in 29812 is $51,870 a year, lower than 68% of South Carolina ZIP codes.
- What ZIP codes are near 29812?
- The nearest ZIP codes to 29812 are 29813 (Hilda, 6.7 miles), 29817 (Blackville, 10.2 miles), 29826 (Elko, 10.3 miles) and 29843 (Olar, 11.4 miles).