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US ZIP Code Profile

ZIP Code 29403
Charleston, South Carolina

ZIP code 29403 is in Charleston, located in Charleston County, South Carolina, within the Charleston-North Charleston metro area. Its 2020 Census population was 21,363. The estimated median adjusted gross income per tax return is $46,465, and about 10% of filers report $200,000 or more.

2020 Population
21,363
Census ZCTA
County
Charleston
FIPS 45019
Median income (est.)
$46,465
IRS SOI 2022
Land Area
5.343 mi²
+ 2.113 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityCharleston, SC
CountyCharleston County (FIPS 45019)
StateSouth Carolina (FIPS 45)
Metro Area (MSA)Charleston-North Charleston, SC Metro Area (16700)
Census Region / DivisionSouth Region · South Atlantic Division
Coordinates32.8059, -79.94318
Land / Water Area5.343 mi² land · 2.113 mi² water

02Income & Economics

Distribution of the 10,050 individual tax returns filed in 29403 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
29.1%
$25K–$50K
24.3%
$50K–$75K
15.8%
$75K–$100K
8.7%
$100K–$200K
12.5%
$200K+
9.6%
The $200,000+ bracket accounts for 60% of 29403's total adjusted gross income, from 10% of returns — a concentration that drives the gap between the median ($46,465) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 29403's IRS income metrics, 2020–2022.

Median income (2021→2022)
$46,465
▲ 13.5%
Filers earning $200K+
9.6%
▲ 0.5 pt
Total filers
10,050
▲ 1.1%
GET /zipc/v2/zipcodes/29403/soi?year=… $35K 2020 $41K 2021 $46K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 29403 ZCTA.

2000
23,464
 
2010
20,818
▼ -11.3%
2020
21,363
▲ +2.6%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 29403. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 29403

Charleston and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 29403 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number451480
City AliasesCharleston, Chas

07Frequently Asked Questions

What county is ZIP code 29403 in?

ZIP code 29403 is in Charleston County, South Carolina (county FIPS code 45019).

What city is ZIP code 29403?

The primary USPS city for 29403 is Charleston, SC.

What metro area (MSA) is 29403 in?

29403 is part of the Charleston-North Charleston, SC Metro Area (MSA code 16700).

What is the population of ZIP code 29403?

The 2020 Census population of 29403 was 21,363 residents.

What is the median income in ZIP code 29403?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 29403 is about $46,465, with around 10% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.