County ZIP codes · South Carolina · FIPS 45065
McCormick County, SC ZIP Codes
McCormick County, South Carolina has 11 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in McCormick County and 5 mainly in a neighboring county; 8 cross the county line. Median household income ranges from $39,444 in 29628 (Calhoun Falls) to $57,574 in 29835 (McCormick) (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
Where are the ZIP codes of McCormick County?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
How different are its ZIP codes?
They carry 10 postal town names.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).
All 11 residential ZIP codes in McCormick County
6 ZIP codes lie mainly in McCormick County; 5 more reach into it from a neighboring county and follow the first table.
| In this county | ||||||
|---|---|---|---|---|---|---|
| 29835 | McCormick | 6,887 | 40 | $58k | $184k | 84% |
| 29848 | Troy | 889 | 10 | $61k | $154k | 53% |
| 29845 | Plum Branch | 837 | 12 | $51k | $110k | 91% |
| 29899 | McCormick | 710 | 1,883 | – | – | 100% |
| 29840 | Mount Carmel | 261 | 8 | $44k | $93k | 100% |
| 29844 | Parksville | 111 | 106 | – | $221k | 100% |
Partly in McCormick County
| In this county | ||||||
|---|---|---|---|---|---|---|
| 29821 | Clarks Hill | 1,141 | 21 | $81k | $278k | 47% |
| 29838 | Modoc | 830 | 28 | $98k | $230k | 33% |
| 29628 | Calhoun Falls | 2,526 | 35 | $39k | $91k | 25% |
| 29819 | Bradley | 930 | 11 | $55k | $85k | 6% |
| 29620 | Abbeville | 11,612 | 47 | $53k | $208k | 4% |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).
Which ZIP codes cross the county line?
8 ZIP codes of McCormick County extend into another county. A ZIP code follows mail routes, not county borders.
| ZIP | In McCormick | Elsewhere |
|---|---|---|
| 29620 | 4% | Abbeville County 96% |
| 29835 | 84% | Edgefield County 16% |
| 29628 | 25% | Abbeville County 75% |
| 29821 | 47% | Edgefield County 53% |
| 29819 | 6% | Greenwood County 83%; Abbeville County 11% |
| 29848 | 53% | Greenwood County 38%; Saluda County 9% |
| 29845 | 91% | Edgefield County 9% |
| 29838 | 33% | Edgefield County 67% |
Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).
Which first three digits do McCormick County's ZIP codes use?
The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. McCormick County's ZIP codes use 2 prefixes: 296 and 298.
Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.