| ZIP Codes: | 11 ZIP Codes (9 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 803 / 839 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 11:55:00 PM |
| Population: | 105,279 [See All] |
| FIPS: | 45085 |
| CBSA: | Sumter, SC |
| Land Area: | 746 sq mi |
| Water Area: | 26 sq mi |
| Coordinates: | 33.9413, -80.4206 |
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105,279 residents live across 11 ZIPs covering 746 sq mi, served by 8 distinct USPS-recognized cities.
Population moved from 109,644 to 105,279 from 2014 to 2024 — a -4.0% change. 5 ZIPs gained residents, 5 lost.
The county's wealthiest ZIP 29152 (Shaw Afb, $73,592 median) and poorest ZIP 29128 (Rembert, $43,571) are 8.2 miles apart — a 1.7× income gap across local geography.
Median home values vary 5.5× across this county — from $34,900 in 29168 (Wedgefield) to $190,600 in 29154 (Sumter).
Density varies 46× across the county — from 19 people/sq mi in 29125 (Pinewood) to 889 in 29150 (Sumter).
Educational attainment ranges from 12.1% bachelor's+ in 29128 (Rembert) to 51.1% in 29152 (Shaw Afb) — the breadth of educational profiles across the area.
Within South Carolina, this is the #16 most populous of 46 counties and ranks #26 for median household income .
Weighted by population, the typical household earns about $57,291 across the county — reflecting what a typical resident sees, not a simple ZIP average.
23.4% of adults age 25+ hold a bachelor's degree or higher (16,481 of 70,375 reporting). The most-educated ZIPs cluster around Sumter.
9 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 29150 | Sumter | Standard | 38,538 | $50,965 | 43.4 | -7.9% |
| 29154 | Sumter | Standard | 29,454 | $62,772 | 87.0 | 1.6% |
| 29153 | Sumter | Standard | 14,434 | $60,071 | 145.2 | -4.9% |
| 29040 | Dalzell | Standard | 8,920 | $65,978 | 54.3 | -12.2% |
| 29128 | Rembert | Standard | 4,460 | $43,571 | 126.0 | -15.2% |
| 29168 | Wedgefield | Standard | 2,903 | $43,911 | 70.1 | 1.8% |
| 29125 | Pinewood | Standard | 2,861 | $62,778 | 148.1 | 25.7% |
| 29152 | Shaw Afb | Standard | 1,967 | $73,592 | 4.9 | 31.4% |
| 29104 | Mayesville | Standard | 1,732 | $67,096 | 67.3 | 21.2% |
| 29062 | Horatio | PO Box | 10 | — | 0.0 | -93.3% |
| 29151 | Sumter | PO Box | — | — | 0.0 | — |