Barnwell, SC ZIP codes

1 ZIP/ZCTA intersecting this Census place in Barnwell County.

ACS 2023 population

4,616

Median household income

$43,239

Median home value

$137,300

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: Census place Barnwell (GEOID 4504060). Methodology

Combined population of ZIP/ZCTAs intersecting this place: 10,965 (1 ZIPs).

Combined population of ZIP/ZCTAs intersecting this place. Each intersecting ZIP contributes its full ZCTA population; overlap percents are descriptive only. This is not the Census place ACS headline above. Methodology

Map of Barnwell, SC

Census place boundary and intersecting ZIP Code Tabulation Areas for Barnwell, SC — Census place boundary for Barnwell, SC. Intersecting ZCTAs may extend past the city limit. Not a USPS city limit. Boundaries: U.S. Census Bureau. Methodology · Data sources

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ZIP/ZCTA overlap with Barnwell

Population overlap

Share of each ZIP/ZCTA’s population located within Barnwell, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

2981241.9%
USPS primary city

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

ZIP codes intersecting Barnwell

ZIP	City	County	Population	Income
29812	Barnwell	Barnwell County	10,965	$44,494