Barnwell, SC
Single-footprint Census roll-up for Barnwell, SC: 1 USPS ZIP, population 11,864. Open the primary ZIP for household income, housing tenure, and commute from ACS 2023 5-Year Estimates.
U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage
ACS city ledger plate
Sheet BARNWELL-SC · Barnwell, SC 1 ZIPs · 11,864 pop · #21146/25278 · Barnwell County
INC-MID · RANK-BOTTOM · ABOVE-PEER · BOOK-ONE · OWN-MID · POP-TOWN · SPREAD-UNK · HOME-LOW
- INC-MID $51,870
- RANK-BOTTOM #21146/25278
- ABOVE-PEER over Williston
- BOOK-ONE 1 ZIP
- OWN-MID 76% owners
- POP-TOWN 11,864
- SPREAD-UNK Single-ZIP book
- HOME-LOW $112,900
Nearest income peer: Williston, SC ( $6,887 income $)
Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.
Income neighbourhood around Barnwell
Lowest/highest poles plus county-sharing cities nearest Barnwell on average ZIP median household income. Full ladder: /cities.
- Blackville · lowest
Blackville · lowest
$41,579 median HH income
- Williston · near
Williston · near
$44,983 median HH income
- Barnwell · this city · highest
Barnwell · this city · highest
$51,870 median HH income
What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.
National city placement
According to ACS 5-Year Estimates, Barnwell, SC sits among US cities with one of the lowest household incomes among US cities, on a town-scale population base, across a single-ZIP footprint.
- 16th pct
- household income vs 25,278 US cities
- 11,864
- city population (Census)
- 1
- USPS ZIP codes covered
- $51,870
- avg ZIP median income
Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.
Lower-income footing on only 1 ZIP ($51,870 average) · poverty 23.8%. The primary code (29812) carries the ACS household fields that matter.
Owner-occupancy sits in a mixed band (76.4%) - check the ZIP page's tenure split before treating Barnwell as a pure owner town.
Within South Carolina, Mountain Rest is the closest lower-income city and Effingham the closest higher-income city by average ZIP household income. Their 1 and 1 ZIP footprints are the immediate statewide comparison set for Barnwell.
Population concentration
One ZIP, 29812, is all of Barnwell
There is no split to weigh here: 29812 holds every one of Barnwell's 11,864 ACS residents. City-level and ZIP-level numbers on this site are the same number twice, check the ZIP page for the income/tenure/commute breakdown.
Census ZBP business roll-up
Mid-pack ZBP load on Barnwell's one ZIP
Citywide ZBP: 223 establishments, 2,451 employees , annual payroll $96,998k (~19 establishments per 1,000 residents) across 1 of 1 ZIPs. Peak business ZIP 29812 (223 units) ; leading NAICS Retail trade (45) · also Other services (except public administration) · Professional, scientific, and technical services .
ZIP Codes in Barnwell, SC
These ZIP codes sit in Barnwell County, which covers 4 ZIP codes in all; 1 of them fall in Barnwell. See the Barnwell County roll-up →
No other city sharing Barnwell County reports a higher average ZIP median income than Barnwell. Williston and Blackville sit below it, so a household comparing this county on income alone starts here. Blackville marks the far end of that range at $41,579, 20% below Barnwell.
| ZIP Code | Population | Median income | Establishments | Density |
|---|---|---|---|---|
| 29812 | 11,864 | $51,870 | 223 | 17 |
Barnwell roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Barnwell, .