Zip Code 29845 — Plum Branch, SC
29845 is a ZIP Code associated with Plum Branch, SC, located within McCormick. 29845 ranks #3 out of 6 ZIP codes in McCormick County by population (and #362 out of 424 in SC). The area supports an estimated population of 837 residents across Data Pending housing units, with a population density of 4.5 people per square mile.
WorldPlaceData database updated: October 2026
📍 View location on OpenStreetMap (33.823100, -82.207880)
| Data Metric | Local Statistic |
|---|
| Postal / Zip Code | 29845 |
| Primary City | Plum Branch |
| State / Province | SC |
| County | McCormick |
| Total Population | 837 |
| Median Household Income | Data Pending |
| Total Housing Units | Data Pending |
| Population Density | 4.5 people/sq mi |
| Timezone | America/New_York |
How 29845 Compares
| Metric | ZIP 29845 | McCormick County | SC State Average |
|---|
| Population | 837 | 9,695 (Total) | 5,296,225 (Total) |
| Average ZIP Income | Data Pending | N/A | N/A |
| Population Density | 4.5 /sq mi | -- | -- |
| County Pop Rank | #3 of 6 | -- | -- |
Nearby ZIP Codes
Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →