Zip Code 29403
Charleston, South Carolina — Charleston County
📍 ZIP code 29403 is in Charleston, Charleston County, South Carolina.
ZIP code 29403 is located in Charleston, Charleston County, South Carolina. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 22,319. The area code for ZIP code 29403 is 843.
Quick Answer
Zip code 29403 is in Charleston, South Carolina (Charleston County). It has a population of 22,319, median household income of $65,689, and median home value of $624,000.
Population
22,319
Income
$65,689
Home Value
$624,000
Climate
88°F / 44°F
About Zip Code 29403
Zip code 29403 is located in Charleston, South Carolina, within Charleston County. Home to approximately 22,319 residents, this area sits at an elevation of 5 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 843.
The median household income is $65,689 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $624,000, and the cost of living index is 165 (65% above the national average of 100).
Summers average a high of 88°F while winters drop to 44°F. The area receives about 44 in of rain and 2 in of snow annually. The zip code covers 5.3 square miles of land area and 2.1 square miles of water.
Key Statistics
22,319
$65,689
$624,000
Eastern (EST/EDT)
843
5 ft
5.3 sq mi
31
13,013
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Compare With Nearby Zip Codes
| Metric | 29403 | 29401 | 29407 | 29405 | 29464 | 29482 |
|---|---|---|---|---|---|---|
| City | Charleston, SC | Charleston, SC | Charleston, SC | North Charleston, SC | Mount Pleasant, SC | Isle of Palms, SC |
| Population | 22,319 | 9,210 | 36,640 | 26,717 | 51,758 | 2,127 |
| Median Income | $65,689 | $90,074 | $80,568 | $54,566 | $107,215 | $179,614 |
| Home Value | $624,000 | $1,165,900 | $407,300 | $266,200 | $672,400 | $2M+ |
| Cost of Living | 165 | 250 | 125 | 73 | 188 | 250 |
| Median Age | 31 | 34.4 | 37.4 | 39.3 | 42.6 | 52.9 |
Cost of Living
100 = National Average. Charleston's cost of living is 65% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
9.5x
Demographics
Zip code 29403 has a population of 22,319 people with a median age of 31. There are 13,013 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Charleston (29403) population trend from 2010 to 2024
↑ 143.1%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
88°F
44°F
44 in
2 in
Charleston experiences warm summers with average highs around 88°F. Winters are mild with lows averaging 44°F. The area receives about 2 in of snow per year.
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Housing & Economy
Median Home Value
$624,000
Median Household Income
$65,689
With 13,013 housing units across 5.3 square miles, 29403 has a housing density of 2,455 units per square mile. The home price-to-income ratio is 9.5x.
Location & Geography
Latitude
32.8059°
Longitude
-79.9432°
Land Area
5.3 sq mi
Water Area
2.1 sq mi
Nearby Zip Codes
Zip codes closest to 29403 (Charleston, SC) with distances:
All Zip Codes in Charleston, SC
Other zip codes serving Charleston:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 29403's $65,689. A way to compare Charleston to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 29403 (Charleston, SC). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Charleston, South Carolina?
Charleston, South Carolina uses zip code 29403 along with 1 other zip codes.
What county is zip code 29403 in?
Zip code 29403 is located in Charleston County, South Carolina.
What is the population of zip code 29403?
The population of zip code 29403 is 22,319 with a median age of 31.
Is 29403 in Charleston, South Carolina?
Yes, zip code 29403 is in Charleston, Charleston County, South Carolina. The area code is 843.
Frequently Asked Questions
What city is zip code 29403 in?
Zip code 29403 is in Charleston, South Carolina. It is part of Charleston County and uses the Eastern (EST/EDT) timezone.
What is zip code 29403?
Zip code 29403 is a U.S. postal code in Charleston, South Carolina (Charleston County). It has a population of 22,319 and covers 5.3 square miles.
What is the population of zip code 29403?
The population of zip code 29403 (Charleston, SC) is 22,319 with a median age of 31. There are approximately 13,013 housing units in this area.
What is the median income in zip code 29403?
The median household income in zip code 29403 (Charleston, SC) is $65,689 per year. The cost of living index is 165 (100 = national average).
What is the average home price in zip code 29403?
The median home value in zip code 29403 (Charleston, SC) is $624,000. The cost of living index is 165 compared to the national average of 100.
What county is zip code 29403 in?
Zip code 29403 is located in Charleston County, South Carolina. The primary city is Charleston.
What is the area code for zip code 29403?
Zip code 29403 in Charleston, SC uses area code 843. It is located in the Eastern (EST/EDT) timezone.
Is zip code 29403 a good place to live?
Zip code 29403 (Charleston, SC) has a cost of living index of 165 (100 = national average), a median household income of $65,689, and median home values of $624,000. The median age is 31. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 29403?
The cost of living index for zip code 29403 (Charleston, SC) is 165, where 100 represents the national average. This area is above the national average. Median home value: $624,000.
What schools serve zip code 29403?
Zip code 29403 in Charleston, South Carolina is served by the local school district of Charleston County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.