Charleston

Source:

South Carolina

Charleston is a major-metro county in South Carolina with 25 ZIP codes, 343,800 people, and top-decile household income among US counties. All data is sourced from the U.S. Census Bureau American Community Survey (ACS) 2023 5-Year Estimates.

National county placement

According to ACS 5-Year Estimates, Charleston, SC sits among US counties with a top-decile household income, on a major-metro county population base, across a multi-ZIP patchwork.

Top 8%
household income vs 3,210 US counties
343,800
combined ZIP population
25
USPS ZIP codes covered
$96,874
avg ZIP median income

Income percentile ranks this county's average ZIP median household income against 3,210 US counties with ACS income on at least one ZIP.

Charleston lands in the national county income distribution as top-decile household income on major-metro county footing (FIPS 45019, 25 ZIPs, combined population 343,800). Sort the ZIP table by population before treating the county mean as uniform.

High-income counties with wide ZIP mosaics hide sharp internal gradients. The densest ZIP here is 29464 (Mount Pleasant) with 43,649 residents - open it beside a thin rural code from the table before treating the county mean as uniform. HUD Fair Market Rents and FBI county tables attach to FIPS 45019, so scorecards stay county-keyed while household income stays ZIP-keyed.

Save two ZIPs from the table into your shortlist, then open a compare link - that is the return path a static county summary cannot replace. All figures here come from Census ACS 2023 5-Year Estimates and USPS ZCTA files.

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25

Total ZIPs

343,800

Total Population

ZIP Codes in Charleston

Side-by-side: Compare 29464 vs 29412 →

ZIP Code City Population Density
29464 Mount Pleasant 43,649 566
29412 Charleston 35,850 353
29407 Charleston 34,827 876
29414 Charleston 31,883 351
29406 Charleston 29,314 779
29466 Mount Pleasant 28,725 378
29405 North Charleston 26,328 684
29418 North Charleston 23,540 674
29403 Charleston 20,818 1,504
29455 Johns Island 20,478 74
29401 Charleston 10,895 2,712
29449 Hollywood 7,749 37
29470 Ravenel 4,232 19
29451 Isle Of Palms 4,205 162
29429 Awendaw 2,737 10
29487 Wadmalaw Island 2,725 25
29458 Mc Clellanville 2,713 6
29438 Edisto Island 2,408 12
29439 Folly Beach 2,399 319
29409 Charleston 2,100 12,577
29482 Sullivans Island 1,791 269
29426 Adams Run 1,741 10
29404 Charleston Afb 1,348 102
29423 Charleston 956 9,778
29424 Charleston 389 8,131

Frequently Asked Questions

What is the population of Charleston?

Charleston has a total population of 343,800 across 25 ZIP codes, based on U.S. Census Bureau ACS 2023 data.

What ZIP codes are in Charleston?

Charleston includes 25 ZIP codes: 29464, 29412, 29407, 29414, 29406, 29466, 29405, 29418, 29403, 29455, and more.

Charleston's figures come from Census ACS 5-Year Estimates (2023), mapped to ZIP codes via the HUD USPS Crosswalk. PlainZIP is not affiliated with the U.S. Census Bureau or any government agency. See our methodology for details.

Related

Compare any two ZIPs side by side

Read our methodology : how this data is sourced, computed, and verified.