29420
ZIP 29420 is in North Charleston, South Carolina, mostly in Dorchester County; area codes 843 and 854; Eastern time. North Charleston has 5 ZIP codes; the others are 29405, 29415, 29418 and 29419.
- Type
- Standard
- Time zone
- America/New_York
- County
- Dorchester +1 more
- Metro area
- Charleston-North Charleston, SC
- Population
- 23,959
- Coordinates
- 32.9325, -80.1001
Weather right now
Asking the National Weather Service…
Where 29420 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 29420 into a pocket calculator and turn it upside down: OZhGZ — not quite a word, sorry.
- ➕ As a number, 29,420 = 2 × 2 × 5 × 1471. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
111001011101100 - 🏠 Its numerical neighbours: 29419 (North Charleston, SC, 9 mi away) and 29422 (Charleston, SC, 15 mi away).
- 🔄 Backwards, 29420 becomes 02492 — and that is a real ZIP code: Needham, MA, 806 miles away.
- 👥 30 other ZIP codes are made of exactly the same digits (02492, 04292, 04922, 09242, 09422, 20429, …). The farthest-flung twin is 09242 in APO AE, a military post office, 4,465 miles away.
- 🧭 Farther south than 84% of all ZIP codes, and farther east than 73%.
- 🎯1,130 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 29420 and you would come out at 32.93°S, 99.90°E — 932 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 20m of daylight. Shortest: 9h 59m.
- 📏 At 10.0 square miles of land, 29420 is bigger than 27% of ZIP codes — room for about 7.6 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 23,959This ZIP23,959 |
|---|---|
| Households | 9,515This ZIP9,515 |
| Housing units | 9,957This ZIP9,957 |
| Median age | 34.7This ZIP34.7South Carolina40.2US 38.9 |
| Median household income | $72,661This ZIP$72,661South Carolina$69,324US $80,734 |
| Median home value | $331,700This ZIP$331,700South Carolina$259,000US $332,700 |
| Median gross rent | $1,529This ZIP$1,529South Carolina$1,180US $1,413 |
| Bachelor's degree or higher | 32.4%This ZIP32.4% |
| Mean commute | 27.6 minThis ZIP27.6 min |
| Population density | 2,391.8 / sq miThis ZIP2,391.8 / sq mi |
Business and tax activity
| Business establishments | 325This ZIP325 |
|---|---|
| Employees | 4,704This ZIP4,704 |
| Annual payroll | $200,625,000This ZIP$200,625,000 |
| Tax returns filed | 11,430This ZIP11,430 |
| Total adjusted gross income | $725,090,000This ZIP$725,090,000 |
Land area
| Land area | 10.02 sq miThis ZIP10.02 sq mi |
|---|---|
| Water area | 0.16 sq miThis ZIP0.16 sq mi |
Counties 29420 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Dorchester County | 59.6% |
| Charleston County | 40.5% |
Other place names in 29420
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 29420
| ZIP | City | Distance |
|---|---|---|
29418 | North Charleston, SC | 1.6 mi |
29404 | Charleston Afb, SC | 3.7 mi |
29456 | Ladson, SC | 3.7 mi |
29406 | Charleston, SC | 3.8 mi |
29410 | Hanahan, SC | 5.0 mi |
29414 | Charleston, SC | 6.2 mi |
29485 | Summerville, SC | 6.2 mi |
29484 | Summerville, SC | 8.8 mi |
29405 | North Charleston, SC | 8.9 mi |
29445 | Goose Creek, SC | 8.9 mi |
Find every ZIP code within 10 miles of 29420 →
Questions about this ZIP code
Where is ZIP code 29420?
29420 is in North Charleston, South Carolina, in Dorchester County, part of the Charleston-North Charleston, SC metropolitan area. Its published point location is 32.9325, -80.1001.
What county is 29420 in?
29420 spans 2 counties: Dorchester County and Charleston County. Most of it falls in Dorchester County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 29420?
North Charleston uses area codes 843 and 854, from NANPA's telephone records.
What time zone is 29420 in?
29420 uses America/New_York.
How many people live in 29420?
About 23,959 people live in ZIP code 29420, in 9,515 households, at 2,391.8 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 29420?
$72,661 a year, against $69,324 across South Carolina.
What ZIP codes are near 29420?
The closest are 29418 (1.6 mi), 29404 (3.7 mi), 29456 (3.7 mi), 29406 (3.8 mi) and 29410 (5 mi).
Is 29420 a PO Box ZIP code?
29420 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “29420 ZIP Code — North Charleston, South Carolina (Dorchester County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/29420
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/29420.json Underlying data is public domain or openly licensed — sources, vintages and licences.