ZIP code
29455
Johns Island, SC
29455 covers Johns Island in Charleston County, with 26,308 people in the ACS 2023 estimate.
Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology
U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 29455. Methodology
ZIP code map of 29455

About ZIP code 29455
Acceptable cities: Kiawah Island, Seabrook Isl, Seabrook Island
More enterprise fields
Commercial ZIP directory · not ACS
Commercial ZIP directory population_count for ZCTA 29455. Not ACS. Methodology
People in 29455
Race
- White20,928
- Black or African American4,269
- American Indian or Alaska Native97
- Asian210
- Native Hawaiian and Pacific Islander15
- Other race1,341
- Two or more races1,484
Hispanic or Latino (any race): 2,327
Age
- Under 102,872
- 10 to 192,371
- 20 to 292,851
- 30 to 394,255
- 40 to 493,129
- 50 to 593,725
- 60 to 694,734
- 70 to 793,383
- 80 and older1,024
Income and housing in 29455
Education
- High school graduate94.6%
- Bachelor's degree56.8%
- Graduate degree27.6%
Places covering 29455
Cities and places — Population overlap
Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.
- Charleston43.3%
- Seabrook Island7.2%
- Kiawah Island7.1%
- Hollywood0.1%
- Folly Beach0.0%
ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
Counties — Population overlap
Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.
- Charleston County100.0%
ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology
42.3% of this ZIP is outside city limits (a real overlap row, not missing data).
Population history for 29455
Hover the chart or read the table below (Year | ACS | IRS).
| Year | ACS population | IRS population |
|---|---|---|
| 2005 | 14,575 | |
| 2006 | 14,484 | |
| 2007 | 15,996 | |
| 2008 | 16,192 | |
| 2009 | 17,489 | |
| 2010 | 17,514 | |
| 2011 | 19,636 | 18,007 |
| 2012 | 20,114 | 18,310 |
| 2013 | 21,631 | 18,690 |
| 2014 | 21,421 | 18,820 |
| 2015 | 21,893 | 20,250 |
| 2016 | 21,198 | 21,290 |
| 2017 | 21,990 | 22,430 |
| 2018 | 22,024 | 23,600 |
| 2019 | 22,565 | 25,390 |
| 2020 | 22,492 | 26,750 |
| 2021 | 24,354 | 27,500 |
| 2022 | 25,449 | 29,300 |
| 2023 | 26,308 |
ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.
ZIP codes near 29455
12 nearest ZIP centroids (any distance)
- 29487Wadmalaw Island5.7 miPop 2,702 · Income $93,480
- 29412Charleston8.4 miPop 40,495 · Income $99,443
- 29439Folly Beach8.4 miPop 869 · Income $99,766
- 29407Charleston9.6 miPop 36,640 · Income $80,568
- 29425Charleston10.9 miPop 0 · Income —
- 29409Charleston10.9 miPop 2,328 · Income —
- 29414Charleston11.0 miPop 43,717 · Income $91,976
- 29449Hollywood11.0 miPop 7,761 · Income $67,250
- 29401Charleston11.3 miPop 9,210 · Income $90,074
- 29470Ravenel11.3 miPop 5,869 · Income $69,762
- 29424Charleston11.3 miPop 1,219 · Income —
- 29403Charleston11.8 miPop 22,319 · Income $65,689
ZIP centroids within 2 miles
No other ZIP codes within 2 miles of 29455, measured by Census internal-point centroids. Try a wider radius.
ZIPs within 2 miles of this place
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ZIP code 29455 FAQ
- What city is ZIP code 29455 in?
- 29455 is in Johns Island, SC.
- What county is 29455 in?
- 29455 is in Charleston County.
- What is the median household income in 29455?
- The median household income in 29455 is $117,422.
- Which ZIP codes are near 29455?
- Use the radius tool on this page to list ZIP codes within a chosen distance of 29455.