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County ZIP codes · South Carolina · FIPS 45037

Edgefield County, SC ZIP Codes

Edgefield County, South Carolina has 9 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026), all residential. 6 of the residential ones lie mainly in Edgefield County and 3 mainly in a neighboring county; 9 cross the county line. Median household income ranges from $56,396 in 29824 (Edgefield) to $97,268 in 29860 (North Augusta) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Edgefield County?

29129 · Ridge Spring: $61k29821 · Clarks Hill: $81k29824 · Edgefield: $56k29832 · Johnston: $43k29835 · McCormick: $58k29838 · Modoc: $98k29845 · Plum Branch: $51k29847 · Trenton: $57k29860 · North Augusta: $97k29824298352983229129298472982129845298602983829129 · Ridge Spring: $61k29821 · Clarks Hill: $81k29824 · Edgefield: $56k29832 · Johnston: $43k29835 · McCormick: $58k29838 · Modoc: $98k29845 · Plum Branch: $51k29847 · Trenton: $57k29860 · North Augusta: $97k29824298352983229129298472982129845298602983829129 · Ridge Spring: $61k29821 · Clarks Hill: $81k29824 · Edgefield: $56k29832 · Johnston: $43k29835 · McCormick: $58k29838 · Modoc: $98k29845 · Plum Branch: $51k29847 · Trenton: $57k29860 · North Augusta: $97k298242983529832291292984729821298452986029838
The residential ZIP codes of Edgefield County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

They carry 9 postal town names.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 9 residential ZIP codes in Edgefield County

6 ZIP codes lie mainly in Edgefield County; 3 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Edgefield County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
29860 North Augusta 18,201 335 $97k $276k 85%
29824 Edgefield 7,789 33 $56k $156k 98%
29847 Trenton 5,554 61 $57k $153k 76%
29832 Johnston 5,074 54 $43k $131k 67%
29821 Clarks Hill 1,141 21 $81k $278k 53%
29838 Modoc 830 28 $98k $230k 67%

Partly in Edgefield County

Residential ZIP codes mainly in another county that reach at least 1% into Edgefield County, by their share here
In this county
29835 McCormick 6,887 40 $58k $184k 16%
29129 Ridge Spring 4,605 55 $61k $148k 12%
29845 Plum Branch 837 12 $51k $110k 9%

Download the 9 ZIP codes as CSV

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?

9 ZIP codes of Edgefield County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Edgefield County and in the neighboring counties
ZIPIn EdgefieldElsewhere
2986085%Aiken County 15%
2982498%Saluda County 2%
2983516%McCormick County 84%
2984776%Aiken County 24%
2983267%Saluda County 33%
2912912%Aiken County 55%; Saluda County 33%
2982153%McCormick County 47%
298459%McCormick County 91%
2983867%McCormick County 33%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

Which first three digits do Edgefield County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Edgefield County's ZIP codes use 2 prefixes: 291 and 298.

Three-digit prefixes of Edgefield County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Edgefield County's
PrefixSectional centerHereAll codes
291 Columbia, SC (SCF 290) 1 53
298 Augusta, GA (SCF 308) 8 44

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.