29420 ZIP Code — North Charleston, SC

Dorchester County, South Carolina

ZIP code 29420 is located in North Charleston, South Carolina, within Dorchester County. It covers approximately 10.03 square miles and serves a population of 22,808 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 843.

About ZIP code 29420

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $269,900. Owner-occupancy sits near the national average at 62%.

Median household income is $73,339.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 27 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

17% of residents lack health insurance, above the national average.

Notable community characteristics include a notable veteran presence at 13% of civilians, above the national average of 7%.

22,808
population
10.03
sq mi land
PO Box
ZIP type
Eastern (ET)
timezone
29420 ZIP code map
Cities in ZIP code 29420

Below are the cities the US Postal Service accepts for ZIP code 29420. Using any city not on this list may result in mail delivery delays.

City Status
North Charleston Acceptable
North Charleston Acceptable
North Charleston Preferred
Nearby ZIP codes
29456 Ladson (3.6 mi) 29404 Charleston Afb (3.8 mi) 29418 North Charleston (4.2 mi) 29406 Charleston (4.9 mi) 29485 Summerville (5.3 mi) 29485 Summerville (5.3 mi) 29410 Hanahan (5.9 mi) 29414 Charleston (6.4 mi) 29445 Goose Creek (6.9 mi) 29405 North Charleston (9.2 mi) 29407 Charleston (11.3 mi) 29470 Ravenel (11.4 mi)
Demographics updated 05/2026
Population
Total population 22,808
Population density 2,274 / sq mi
State FIPS 45
County FIPS 035
Geography
Land area 10.03 sq mi
Water area 0.15 sq mi
Latitude 32.9405
Longitude -80.0982
Timezone Eastern (ET)
Area code 843
Total population by age
Gender
Race & ethnicity
Economics updated 05/2026
Household income
Income range This ZIP County avg State avg
Under $50k 39.1% 38.8% 45.8%
$50k – $100k 34.9% 34.0% 30.5%
$100k – $200k 21.0% 23.1% 18.6%
Over $200k 4.9% 4.1% 5.1%

Demographics & statistics

22,808
Population
2,274
People per sq mi
36.2
Median age
$73,339
Median household income
$37,031
Per capita income
$269,900
Median home value
$1,373
Median monthly rent
62.1%
Home ownership
13.2%
Poverty rate
4.4%
Unemployment
5,975
Housing units
29.7%
Bachelor's or higher

Age distribution

Male Female
444
Under 5
452
643
5–9
656
871
10–14
887
958
15–19
976
869
20–24
886
1,683
25–34
1,716
1,854
35–44
1,890
1,305
45–54
1,331
554
55–59
564
774
60–64
788
900
65–74
917
324
75–84
330
117
85+
119
← Male
Female →

Age summary

GroupCount%
Under 185,07922.3%
18 and over17,72977.7%
65 and over2,70711.9%
Median age36.2 years

Race & ethnicity

Black or African American 42%
White 38.4%
Hispanic or Latino 6.9%
Other race 5.4%
Asian 3.9%
Two or more races 2.9%
American Indian / Alaska Native 0.5%
GroupCount%
Black or African American10,28842%
White9,41538.4%
Hispanic or Latino1,7026.9%
Other race1,3205.4%
Asian9523.9%
Two or more races7062.9%
American Indian / Alaska Native1270.5%

Household income

Income range This ZIP County avg State avg
Under $50k 39.1% 38.8% 45.8%
$50k – $100k 34.9% 34.0% 30.5%
$100k – $200k 21.0% 23.1% 18.6%
Over $200k 4.9% 4.1% 5.1%
Under $10k 5.9%
$10k–$15k 1.6%
$15k–$25k 6.0%
$25k–$35k 6.9%
$35k–$50k 15.1%
$50k–$75k 15.1%
$75k–$100k 16.4%
$100k–$150k 15.7%
$150k–$200k 8.2%
$200k+ 9.2%
Range% of households
Under $10k5.9%
$10k–$15k1.6%
$15k–$25k6.0%
$25k–$35k6.9%
$35k–$50k15.1%
$50k–$75k15.1%
$75k–$100k16.4%
$100k–$150k15.7%
$150k–$200k8.2%
$200k+9.2%
Median income$73,339

Housing

Home values

Under $50k 5.2%
$50k–$100k 2.6%
$100k–$150k 6.9%
$150k–$200k 12.1%
$200k–$300k 33.2%
$300k–$500k 29.0%
$500k–$1M 10.0%
$1M+ 1.0%

Housing overview

MetricValue
Median home value$269,900
Median rent / month$1,373
Owner occupied62.1%
Renter occupied37.9%
Vacant6.3%
Single-family detached62.4%
Large apartment buildings5.9%
Mobile homes9.7%
Median rooms5.7
Avg household size (owned)2.67

Year built

Era%
2020 or later0.3%
2010–201915.1%
2000–200927.8%
1990–199920.7%
1980–198918.9%
1970–19798.9%
1960–19696.7%
1950–19591.6%
1940–19490.0%
1939 or earlier0.0%

Bedrooms

Size% of units
No bedroom (studio)4.1%
1 bedroom3.4%
2 bedrooms18.4%
3 bedrooms48.0%
4 bedrooms21.3%
5+ bedrooms4.8%

Vehicles per household

Vehicles% of households
No vehicle1.9%
1 vehicle35.8%
2 vehicles40.2%
3 or more22.1%

Heating fuel

Fuel type%
Utility gas19.2%
Electricity78.8%
Propane / LP gas0.8%
Fuel oil0.1%
Solar0.3%
No fuel used0.8%

Households & families

Household typeCount%
Married-couple family4,24348.9%
Cohabiting couple4765.5%
Male householder, no spouse1,15413.3%
Female householder, no spouse2,81032.4%
Households with children under 182,73931.5%
Households with seniors (65+)1,87521.6%
Average household size2.63

Marital status

StatusMaleFemale
Never married37.6%37.0%
Married52.3%44.6%
Separated0.8%3.4%
Widowed1.5%4.8%
Divorced7.8%10.2%

Education

Less than 9th grade 4.7%
Some HS, no diploma 7.0%
HS graduate 25.1%
Some college, no degree 20.9%
Associate's degree 12.6%
Bachelor's degree 19.1%
Graduate / professional 10.6%
Metric%
HS diploma or higher88.3%
Bachelor's or higher29.7%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool1893.3%
Kindergarten1051.8%
Elementary school2,51844.0%
High school1,52926.7%
College / grad school1,38024.1%

Employment

Industry of employment

Education & healthcare 19.0%
Manufacturing 12.2%
Arts, food & hospitality 11.8%
Retail trade 11.6%
Professional & management 9.8%
Transportation & utilities 7.8%
Public administration 7.7%
Construction 7.6%
Other services 5.1%
Finance & real estate 3.7%
Wholesale trade 1.8%
Information 1.8%

Occupation

Category%
Management, business & arts37.7%
Service15.2%
Sales & office24.2%
Natural resources & construction9.4%
Production & transportation13.5%

Employment type

Type%
Private sector79.3%
Government18.2%
Self-employed2.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone81.4%
Carpool8.9%
Public transit0.0%
Walk1.0%
Work from home6.9%
Other means1.8%
Avg commute (minutes)27.3

Poverty

All people 13.2%
Under 18 years 25.4%
18 and over 9.8%
Married-couple families 4.5%
Female-led households 29.2%

Income support

Source% of households
Social Security23.3%
Retirement income26.1%
Supplemental Security2.3%
Cash public assistance0.5%
Food stamps / SNAP11.2%

Health indicators

Condition%
Obesity37.3%
High blood pressure33.4%
High cholesterol30.9%
Diabetes10.1%
Heart disease4.6%
Stroke2.7%
Asthma10.6%
Arthritis22.5%
Kidney disease2.5%
Pulmonary disease5.6%
Cancer4.6%
Behavior / access%
Smoking18.6%
Binge drinking18.7%
No physical activity23.6%
Less than 7 hrs sleep40.0%
Depression22.8%
Fair or poor health14.8%
Poor mental health15.7%
Poor physical health10.2%
No health insurance17.8%
Visited doctor (checkup)76.4%
Visited dentist65.8%
Cholesterol screening88.3%
Teeth loss13.3%

Veterans & disability

VeteransCount%
Civilian veterans2,36313.4%
Disability%
Any disability11.0%
Under 183.2%
18–64 years9.8%
65 and over32.1%

Health insurance coverage

Type%
Private insurance62.0%
Public insurance32.5%
No insurance16.6%
Uninsured under 1915.1%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only21,91296.1%
Spanish1,4676.7%
Other Indo-European1,1655.3%
Asian & Pacific Islander550.3%
Other languages2471.1%

Place of birth & citizenship

OriginCount%
Native born (US)20,54990.1%
Born in same state20,25488.8%
Born in different state11,78451.7%
Foreign born2951.3%
Naturalized citizen2,2599.9%
Not a US citizen54224.0%

Ancestry

AncestryCount%
Arab2,1179.3%
French1,4826.5%
Italian1,2345.4%
English1250.5%
Polish1250.5%
AncestryCount%
German500.2%
Irish480.2%
Norwegian290.1%
Dutch170.1%

Technology access

Metric% of households
Computer access38.1%
Internet access97.0%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 29420

What city is ZIP code 29420 in?

ZIP code 29420 is primarily assigned to North Charleston, South Carolina.

What county is ZIP code 29420 in?

ZIP code 29420 falls within Dorchester County, South Carolina.

Does ZIP code 29420 have a large veteran population?

13% of civilians in ZIP code 29420 are veterans, above the national average of ~7%.

What is the population of ZIP code 29420?

ZIP code 29420 has an estimated population of 22,808 residents, with a density of 2,274 people per square mile.

What is the typical home value in ZIP code 29420?

The median home value in ZIP code 29420 is $269,900.

What is the median household income in ZIP code 29420?

The median household income in ZIP code 29420 is $73,339, below the national median of ~$75,000.

What timezone is ZIP code 29420 in?

ZIP code 29420 observes the EST timezone.

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