Dorchester County, SC ZIP Codes
South Carolina (SC) · 10 ZIP codes · 8 cities
10
ZIP codes
163,327
population (2021)
+19.6%
pop change since 2010
45035
FIPS code
Dorchester County ZIP code map
About Dorchester County
Dorchester County is located in South Carolina and contains 10 ZIP codes across 8 cities and communities.
The county's population was 163,327 as of 2021,
an increase of
19.6% from 136,555 in 2010.
The timezone is Central Time (observes DST).
The Federal Information Processing System (FIPS) code for Dorchester County is 45035.
| Population | |
|---|---|
| 2021 population | 163,327 |
| 2010 population | 136,555 |
| Change | +19.6% |
| County details | |
|---|---|
| State | South Carolina |
| FIPS code | 45035 |
| Timezone | Central |
| Daylight saving | Yes |
Cities in Dorchester County
ZIP codes for Dorchester County, SC (10)
| ZIP code | City | County | Map |
|---|---|---|---|
| 29420 | North Charleston | Dorchester | View map |
| 29437 | Dorchester | Dorchester | View map |
| 29447 | Grover | Dorchester | View map |
| 29448 | Harleyville | Dorchester | View map |
| 29471 | Reevesville | Dorchester | View map |
| 29472 | Ridgeville | Dorchester | View map |
| 29477 | Saint George | Dorchester | View map |
| 29483 | Summerville | Dorchester | View map |
| 29484 | Summerville | Dorchester | View map |
| 29485 | Summerville | Dorchester | View map |
Demographics & statistics
197,737
Population
36.9
Median age
$74,025
Median household income
$35,798
Per capita income
$195,356
Median home value
$1,067
Median monthly rent
74.7%
Home ownership
17.0%
Poverty rate
3.7%
Unemployment
59,936
Housing units
21.5%
Bachelor's or higher
Age distribution
Male
Female
5,701
Under 5
5,923
6,812
5–9
7,077
7,085
10–14
7,361
6,205
15–19
6,447
6,168
20–24
6,409
13,890
25–34
14,433
13,811
35–44
14,349
12,172
45–54
12,647
5,533
55–59
5,748
5,879
60–64
6,108
8,560
65–74
8,894
3,773
75–84
3,921
1,388
85+
1,443
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 48,090 | 21.5% |
| 18 and over | 149,647 | 78.5% |
| 65 and over | 27,979 | 17.2% |
| Median age | 36.9 years | |
Race & ethnicity
White
57.7%
Black or African American
25.7%
Hispanic or Latino
5.5%
Two or more races
5.4%
Other race
2.9%
Asian
2.3%
American Indian / Alaska Native
0.3%
Native Hawaiian / Pacific Islander
0.2%
| Group | Count | % |
|---|---|---|
| White | 120,602 | 57.7% |
| Black or African American | 53,855 | 25.7% |
| Hispanic or Latino | 11,423 | 5.5% |
| Two or more races | 11,388 | 5.4% |
| Other race | 6,112 | 2.9% |
| Asian | 4,787 | 2.3% |
| American Indian / Alaska Native | 665 | 0.3% |
| Native Hawaiian / Pacific Islander | 328 | 0.2% |
Household income
Under $10k
4.3%
$10k–$15k
4.1%
$15k–$25k
11.4%
$25k–$35k
10.2%
$35k–$50k
12.4%
$50k–$75k
20.5%
$75k–$100k
11.5%
$100k–$150k
14.5%
$150k–$200k
6.2%
$200k+
4.8%
| Range | % of households |
|---|---|
| Under $10k | 4.3% |
| $10k–$15k | 4.1% |
| $15k–$25k | 11.4% |
| $25k–$35k | 10.2% |
| $35k–$50k | 12.4% |
| $50k–$75k | 20.5% |
| $75k–$100k | 11.5% |
| $100k–$150k | 14.5% |
| $150k–$200k | 6.2% |
| $200k+ | 4.8% |
| Median income | $74,025 |
Housing
Home values
Under $50k
14.6%
$50k–$100k
10.8%
$100k–$150k
9.9%
$150k–$200k
11.8%
$200k–$300k
25.2%
$300k–$500k
21.2%
$500k–$1M
5.3%
$1M+
1.4%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $195,356 |
| Median rent / month | $1,067 |
| Owner occupied | 74.7% |
| Renter occupied | 25.3% |
| Vacant | 11.0% |
| Single-family detached | 60.6% |
| Large apartment buildings | 2.6% |
| Mobile homes | 26.7% |
| Median rooms | 5.9 |
| Avg household size (owned) | 2.50 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.8% |
| 2010–2019 | 12.7% |
| 2000–2009 | 20.5% |
| 1990–1999 | 20.3% |
| 1980–1989 | 16.7% |
| 1970–1979 | 17.3% |
| 1960–1969 | 5.7% |
| 1950–1959 | 2.6% |
| 1940–1949 | 1.6% |
| 1939 or earlier | 1.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.3% |
| 1 bedroom | 4.5% |
| 2 bedrooms | 18.5% |
| 3 bedrooms | 53.3% |
| 4 bedrooms | 18.3% |
| 5+ bedrooms | 4.0% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 2.8% |
| 1 vehicle | 35.0% |
| 2 vehicles | 38.4% |
| 3 or more | 23.8% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 11.6% |
| Electricity | 81.0% |
| Propane / LP gas | 5.5% |
| Wood | 0.5% |
| Solar | 0.1% |
| No fuel used | 1.1% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 36,503 | 44.6% |
| Cohabiting couple | 4,116 | 5.7% |
| Male householder, no spouse | 12,768 | 17.3% |
| Female householder, no spouse | 20,110 | 32.4% |
| Households with children under 18 | 25,021 | 29.0% |
| Households with seniors (65+) | 19,429 | 31.3% |
| Average household size | 2.50 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 38.1% | 32.0% |
| Married | 47.4% | 42.9% |
| Separated | 1.0% | 3.1% |
| Widowed | 2.5% | 11.5% |
| Divorced | 11.0% | 10.5% |
Education
Less than 9th grade
4.3%
Some HS, no diploma
10.2%
HS graduate
32.3%
Some college, no degree
20.7%
Associate's degree
11.0%
Bachelor's degree
14.1%
Graduate / professional
7.4%
| Metric | % |
|---|---|
| HS diploma or higher | 85.5% |
| Bachelor's or higher | 21.5% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 2,097 | 4.2% |
| Kindergarten | 2,338 | 5.9% |
| Elementary school | 22,909 | 49.4% |
| High school | 11,052 | 23.9% |
| College / grad school | 10,295 | 16.5% |
Employment
Industry of employment
Education & healthcare
20.6%
Manufacturing
17.9%
Retail trade
10.4%
Arts, food & hospitality
9.8%
Professional & management
9.1%
Construction
9.0%
Public administration
7.5%
Transportation & utilities
6.5%
Other services
3.1%
Finance & real estate
2.5%
Information
1.7%
Wholesale trade
1.2%
Agriculture & mining
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 33.0% |
| Service | 17.3% |
| Sales & office | 20.3% |
| Natural resources & construction | 9.9% |
| Production & transportation | 19.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 78.6% |
| Government | 16.8% |
| Self-employed | 4.6% |
| Unpaid family workers | 0.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 87.1% |
| Carpool | 6.6% |
| Public transit | 0.1% |
| Walk | 0.7% |
| Other means | 1.1% |
| Avg commute (minutes) | 32.3 |
Poverty
All people
17.0%
Under 18 years
25.4%
18 and over
14.6%
Married-couple families
4.1%
Female-led households
29.1%
Income support
| Source | % of households |
|---|---|
| Social Security | 34.4% |
| Retirement income | 25.9% |
| Supplemental Security | 4.0% |
| Cash public assistance | 1.4% |
| Food stamps / SNAP | 12.5% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 39.7% |
| High cholesterol | 35.4% |
| Heart disease | 6.6% |
| Stroke | 3.8% |
| Asthma | 10.9% |
| Arthritis | 27.8% |
| Kidney disease | 3.3% |
| Pulmonary disease | 7.9% |
| Cancer | 5.8% |
| Behavior / access | % |
|---|---|
| Binge drinking | 17.2% |
| No physical activity | 27.6% |
| Less than 7 hrs sleep | 40.4% |
| Fair or poor health | 18.4% |
| Poor mental health | 16.0% |
| Poor physical health | 12.6% |
| No health insurance | 18.5% |
| Visited doctor (checkup) | 77.7% |
| Visited dentist | 62.6% |
| Cholesterol screening | 88.6% |
| Teeth loss | 18.1% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 18,878 | 10.4% |
| Disability | % |
|---|---|
| Any disability | 16.0% |
| Under 18 | 3.1% |
| 18–64 years | 13.2% |
| 65 and over | 41.0% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 60.5% |
| Public insurance | 39.1% |
| Uninsured under 19 | 11.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 186,113 | 94.7% |
| Spanish | 6,603 | 3.1% |
| Other Indo-European | 4,041 | 2.2% |
| Asian & Pacific Islander | 950 | 0.3% |
| Other languages | 1,578 | 0.6% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 185,841 | 95.5% |
| Born in same state | 182,645 | 94.2% |
| Born in different state | 95,231 | 59.8% |
| Foreign born | 3,196 | 1.3% |
| Naturalized citizen | 11,896 | 4.5% |
| Not a US citizen | 5,466 | 37.1% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| French | 19,993 | 10.1% |
| Italian | 18,537 | 9.4% |
| Arab | 12,821 | 6.5% |
| Polish | 1,188 | 0.6% |
| German | 1,030 | 0.5% |
| Ancestry | Count | % |
|---|---|---|
| English | 970 | 0.5% |
| Dutch | 430 | 0.2% |
| Irish | 380 | 0.2% |
| Norwegian | 146 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.7% |
| Internet access | 91.2% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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