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County ZIP codes · South Carolina · FIPS 45041

Florence County, SC ZIP Codes

Florence County, South Carolina has 14 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 11 residential and 3 for PO boxes or a single organization. 6 of the residential ones extend into a neighboring county. Median household income ranges from $40,311 in 29506 to $71,671 in 29501 (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of Florence County?

29114 · Olanta: $57k29161 · Timmonsville: $51k29501 · Florence: $72k29505 · Florence: $67k29506 · Florence: $40k29530 · Coward: $44k29541 · Effingham: $52k29555 · Johnsonville: $43k29560 · Lake City: $47k29583 · Pamplico: $35k29591 · Scranton: $65k295602916129506295552954129583295912950129505295302911429114 · Olanta: $57k29161 · Timmonsville: $51k29501 · Florence: $72k29505 · Florence: $67k29506 · Florence: $40k29530 · Coward: $44k29541 · Effingham: $52k29555 · Johnsonville: $43k29560 · Lake City: $47k29583 · Pamplico: $35k29591 · Scranton: $65k295602916129506295552954129583295912950129505295302911429114 · Olanta: $57k29161 · Timmonsville: $51k29501 · Florence: $72k29505 · Florence: $67k29506 · Florence: $40k29530 · Coward: $44k29541 · Effingham: $52k29555 · Johnsonville: $43k29560 · Lake City: $47k29583 · Pamplico: $35k29591 · Scranton: $65k2956029161295062955529541295832959129501295052953029114
The residential ZIP codes of Florence 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?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $44,012 and $52,067.

They carry 9 postal town names.

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

All 11 residential ZIP codes in Florence County

Residential ZIP codes mainly in Florence County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
29501 Florence 48,673 929 $72k $237k 85%
29505 Florence 23,895 470 $67k $180k 100%
29506 Florence 20,777 172 $40k $123k 98%
29560 Lake City 12,277 74 $47k $126k 48%
29161 Timmonsville 9,688 72 $51k $143k 76%
29541 Effingham 9,326 117 $52k $163k 100%
29555 Johnsonville 5,972 63 $43k $151k 93%
29583 Pamplico 4,994 48 $35k $114k 100%
29591 Scranton 4,639 66 $65k $93k 100%
29530 Coward 2,641 65 $44k $117k 100%
29114 Olanta 1,786 52 $57k $116k 59%

Download the 14 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?

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

Share of each ZIP code's land in Florence County and in the neighboring counties
ZIPIn FlorenceElsewhere
2950185%Darlington County 15%
2950698%Darlington County 2%
2956048%Williamsburg County 42%; Clarendon County 10%
2916176%Darlington County 24%
2955593%Williamsburg County 7%
2911459%Sumter County 39%; Clarendon County 2%

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

PO Box and single-organization ZIP codes

ZIP codes in Florence County without a residential area (GeoNames postal codes)
ZIPPostal name
29502Florence
29503Florence
29504Florence

Source: GeoNames postal codes (CC BY 4.0).

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

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Florence County's ZIP codes use 2 prefixes: 291 and 295.

Three-digit prefixes of Florence 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 Florence County's
PrefixSectional centerHereAll codes
291 Columbia, SC (SCF 290) 2 53
295 Columbia, SC (SCF 290) 12 66

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