| ZIP Codes: | 15 ZIP Codes (14 Standard, 1 PO Box, 0 Unique) [See All] |
| Area Codes: | 843 / 854 |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:13:38 PM |
| Population: | 265,788 [See All] |
| FIPS: | 45015 |
| CBSA: | Charleston-North Charleston, SC |
| Land Area: | 1,217 sq mi |
| Water Area: | 130 sq mi |
| Coordinates: | 33.1734, -79.9558 |
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265,788 residents live across 15 ZIPs covering 1,217 sq mi, served by 15 distinct USPS-recognized cities.
Population moved from 178,488 to 211,813 from 2014 to 2024 — a +18.7% change. 9 ZIPs gained residents, 4 lost.
The county's wealthiest ZIP 29492 (Charleston, $110,509 median) and poorest ZIP 29468 (Pineville, $27,032) are 36.8 miles apart — a 4.1× income gap across local geography.
Median home values vary 8.0× across this county — from $98,900 in 29468 (Pineville) to $791,400 in 29492 (Charleston).
Density varies 194× across the county — from 11 people/sq mi in 29453 (Jamestown) to 2,201 in 29456 (Ladson).
Educational attainment ranges from 6.1% bachelor's+ in 29468 (Pineville) to 65.9% in 29492 (Charleston) — the breadth of educational profiles across the area.
Within South Carolina, this is the #8 most populous of 46 counties and ranks #9 for median household income with the #1 fastest decade growth .
On the national stage, Berkeley County is and #14 for decade growth .
Weighted by population, the typical household earns about $83,142 across the county — reflecting what a typical resident sees, not a simple ZIP average.
30.7% of adults age 25+ hold a bachelor's degree or higher (54,730 of 178,204 reporting).
14 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.
1 ZIP in this county where more than 60% of adults 25+ hold a bachelor's degree — typically college campuses, research enclaves, or tech corridors.
Median household income spans 4.1× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.
Berkeley County grew 48.9% over the past decade — concentrated in 4 high-growth ZIPs:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 29445 | Goose Creek | Standard | 59,227 | $81,594 | 62.9 | 2.7% |
| 29486 | Summerville | Standard | 53,975 | $89,578 | 67.7 | — |
| 29461 | Moncks Corner | Standard | 43,816 | $82,666 | 177.0 | 37.0% |
| 29456 | Ladson | Standard | 41,214 | $78,361 | 18.7 | 27.9% |
| 29410 | Hanahan | Standard | 21,314 | $87,984 | 16.0 | 12.9% |
| 29492 | Charleston | Standard | 20,436 | $110,509 | 62.0 | 77.7% |
| 29431 | Bonneau | Standard | 7,580 | $58,571 | 91.1 | 17.3% |
| 29479 | Saint Stephen | Standard | 6,031 | $51,397 | 124.5 | -23.4% |
| 29436 | Cross | Standard | 4,000 | $58,434 | 113.5 | -5.8% |
| 29450 | Huger | Standard | 3,309 | $57,269 | 162.0 | -0.7% |
| 29468 | Pineville | Standard | 2,144 | $27,032 | 93.4 | 21.5% |
| 29453 | Jamestown | Standard | 1,517 | $71,328 | 133.7 | 20.5% |
| 29434 | Cordesville | Standard | 755 | — | 54.1 | 36.8% |
| 29469 | Pinopolis | Standard | 470 | — | 40.4 | -35.9% |
| 29476 | Russellville | PO Box | — | — | 0.0 | — |