Postal Codes

29420 ZIP Code

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ZIP code 29420 covers North Charleston, South Carolina, with a population of about 23,311 and a median household income of $69,043.

Population
23,3112,324 per square mile
Median age
35.13.6 points below the US average
Median household income
$69,043about the South Carolina median
Poverty rate
14.3%1.9 points above the US average
Typical home value
$336,366up 24.1% in five years
Median rent
$1,5061.3× the South Carolina median
Degree or higher
30.8%4.2 points below the US average
Homeownership
62.6%2.4 points below the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
300

Where 29420 is

North Charleston, South Carolina — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population23,311
Median age35.1
Family households70.4%
Born outside the US10.1%
Speaks a language other than English at home13.7%
White (non-Hispanic)41.4%
Black (non-Hispanic)39.2%
Asian (non-Hispanic)4.7%
Hispanic or Latino11.3%
Veterans14.3%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$69,043
Income per person$36,124
Poverty rate14.3%
Households on SNAP or cash assistance11.9%

Household income distribution

Under $10k5.5%
$10–15k1.5%
$15–20k3.5%
$20–25k3.5%
$25–30k1.9%
$30–35k5.9%
$35–40k4.6%
$40–45k4.6%
$45–50k2.6%
$50–60k8.5%
$60–75k12.6%
$75–100k13.9%
$100–125k8.7%
$125–150k7.3%
$150–200k7.6%
$200k or more7.8%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed11,430
Mean adjusted gross income$63,437
Returns declaring $200,000 or more3.9%
Returns, under $25k30.2%
Returns, $25k–$50k28.4%
Returns, $50k–$75k15.4%
Returns, $75k–$100k8.5%
Returns, $100k–$200k13.6%
Returns, $200k or more3.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$283,900
Median gross rent$1,506
Rent as a share of household income37%
Owner-occupied62.6%
Vacant homes4.9%
Median year built1997

What the homes are

Detached house62.4%
Attached house7%
2 to 4 units4%
5 to 19 units10.5%
20 or more units6%
Mobile home10%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$336,366as of 2026-07
Typical home value, 1 yeardown 1.6%
Typical home value, 5 yearsup 24.1%
Typical home value, 10 yearsup 80.5%
Typical asking rent$1,710as of 2026-07
Typical asking rent, 1 yearup 2.6%
Typical home value since 2000
200020132026$341,950$119,294

$119,294 in 2000 to $336,366 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.7%
Bachelor's degree or higher30.8%
High school diploma or higher86.5%
Works from home9.6%
Drives to work alone80.8%
Takes public transport0%
Commutes 45 minutes or more18.1%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity36.1% 2.7 pts above the national average of 33.4%
Diagnosed diabetes13.2% 1.2 pts above the national average of 12%
Currently smokes13.3% same as the national average of 13.2%
High blood pressure34.8% 0.7 pts above the national average of 34.1%
Fair or poor general health19.6% 0.7 pts below the national average of 20.3%
No health insurance (18–64)13.4% 2.1 pts above the national average of 11.3%
Depression20.8% 1.1 pts below the national average of 21.9%
No leisure-time physical activity25.8% same as the national average of 25.4%
Arthritis23.3% 1.8 pts below the national average of 25.1%
Binge drinking17.1% 1.1 pts above the national average of 16%
Taking blood pressure medication78% 3.3 pts above the national average of 74.7%
Cancer (non-skin)6.5% 1.2 pts below the national average of 7.7%
Current asthma9.8% 0.6 pts below the national average of 10.4%
Coronary heart disease5.3% 0.9 pts below the national average of 6.2%
Routine check-up in past year79.9% 3.2 pts above the national average of 76.7%
Cholesterol screening86.4% 0.5 pts above the national average of 85.9%
Cognitive disability14.2% 0.6 pts below the national average of 14.8%
Colorectal screening66.5% 2.2 pts above the national average of 64.3%
COPD6.1% 0.5 pts below the national average of 6.6%
Visited a dentist62.4% 1.1 pts above the national average of 61.3%
Any disability28.4% 2.3 pts below the national average of 30.7%
Lacks emotional support25.6% 0.8 pts above the national average of 24.8%
Food insecurity19.8% 2.7 pts above the national average of 17.1%
Received food stamps11.9% 2.4 pts below the national average of 14.3%
Hearing disability5.3% 1.4 pts below the national average of 6.7%
High cholesterol34.4% 1.8 pts below the national average of 36.2%
Housing insecurity16.3% 2.5 pts above the national average of 13.8%
Independent living disability8.4% same as the national average of 8.4%
Lacks transport9.9% 0.7 pts above the national average of 9.2%
Loneliness33.1% 1.3 pts below the national average of 34.4%
Mammography use76.4% 0.5 pts above the national average of 75.9%
Poor mental health (14+ days)16.5% same as the national average of 16.8%
Mobility disability13.5% 0.5 pts below the national average of 14%
Poor physical health (14+ days)13.1% same as the national average of 13.5%
Self-care disability4.1% same as the national average of 4%
Utility shut-off threat10.6% 1.8 pts above the national average of 8.8%
Sleeps under 7 hours38.9% 2.5 pts above the national average of 36.4%
Stroke3.4% same as the national average of 3.4%
All natural teeth lost12.6% same as the national average of 13%
Vision disability5.5% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments300
People employed3,284
Annual payroll$134,002,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 96.5% of US census tracts
FEMA ratingRelatively High to Very High across the 6 census tracts this ZIP code covers
Expected annual loss97.7 out of 100
Community resilience64.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Hurricane98.9Very High at its worst in this ZIP code
Earthquake95.3Very High at its worst in this ZIP code
Ice storm84.3Relatively High at its worst in this ZIP code
Coastal flooding84Relatively High at its worst in this ZIP code
Lightning80.5Relatively High at its worst in this ZIP code
Wildfire79.5Relatively Moderate at its worst in this ZIP code
Winter weather65.2Relatively High at its worst in this ZIP code
Cold wave64.6Relatively Moderate at its worst in this ZIP code
River flooding62.2Relatively High at its worst in this ZIP code
Tornado53.9Relatively Moderate at its worst in this ZIP code
Hail51.2Relatively Low at its worst in this ZIP code
Heat wave47.2Relatively Moderate at its worst in this ZIP code
Strong wind38.2Relatively Moderate at its worst in this ZIP code
Drought31Very Low at its worst in this ZIP code
Landslide27.6Very Low at its worst in this ZIP code
Compared with South Carolina and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPSouth CarolinaUnited States
Median household income$69,043$66,818$78,538
Income per person$36,124$37,993$43,289
Poverty rate14.3%14.2%12.4%
Median home value$283,900$236,700$303,400
Median gross rent$1,506$1,126$1,348
Homeownership62.6%71.4%65%
Bachelor's degree or higher30.8%31.5%35%
Unemployment rate4.7%5%5.2%
Works from home9.6%10%13.5%
Born outside the US10.1%5.6%13.9%
Median age35.140.138.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationCHARLESTON INTL AP, SC US7 km away
Rain in a year53 in
Snow in a year0 in

Average high and low by month

January60.2°F / 38.9°F3.37 in rain, 0.2 in snow
February63.8°F / 41.6°F3.05 in rain, 0.1 in snow
March70.1°F / 47.3°F3.35 in rain
April77.1°F / 54.5°F3.29 in rain
May83.6°F / 63°F3.32 in rain
June88.5°F / 70.4°F6.21 in rain
July91.3°F / 73.7°F6.6 in rain
August89.8°F / 73.1°F6.97 in rain
September85.4°F / 68.3°F6.01 in rain
October77.9°F / 57.7°F4.33 in rain
November69.4°F / 47.1°F2.66 in rain
December62.7°F / 41.6°F3.35 in rain
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket18% of this ZIP code's area
Far from a supermarket56% of this ZIP code's area
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Dorchester School District 259.4% of this ZIP code's land area
Charleston County School District40.6% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability57more vulnerable than 57% of US census tracts
Socioeconomic status62more vulnerable than 62% of US census tracts
Household characteristics43more vulnerable than 43% of US census tracts
Racial and ethnic minority status72more vulnerable than 72% of US census tracts
Housing type and transport48more vulnerable than 48% of US census tracts
Walkability8.6 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

29404 Charleston Afb, SC5.1 km away
29406 Charleston, SC6.5 km away
29456 Ladson, SC6.9 km away
29418 North Charleston, SC7 km away
29410 Hanahan, SC7.7 km away
29485 Summerville, SC8.8 km away
29486 Summerville, SC11.6 km away
29483 Summerville, SC12.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Dorchester County59.5% of this ZIP code's land area
Charleston County40.5% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area10.03 sq mi
Water area0.15 sq mi
Population density2,324 people per sq mi
Latitude, longitude32.9336, -80.1026

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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