US Census Data

Clarendon County vs Marion County

A side-by-side comparison of Clarendon County and Marion County: population, income, housing, and more.

Clarendon County and Marion County are counties in South Carolina. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Clarendon County has the higher population (31,037 vs 28,900 in Marion County). Clarendon County has the higher median household income ($48,887 vs $34,501 in Marion County). Clarendon County has the higher median home value ($147,300 vs $86,800 in Marion County).

Population, income & housing

Clarendon CountyMarion County
Population31,03728,900
Median age45.9 yrs43.0 yrs
Median household income$48,887$34,501
Median home value$147,300$86,800
Median gross rent$728$663
Housing units16,00914,418
Homeownership rate73.0%62.2%
Bachelor's degree or higher17.7%13.8%
Unemployment rate8.6%5.9%

Trends (ACS 5-year, 2019–2023)

Clarendon CountyMarion County
Population33,957 → 31,037 (-8.6%)31,308 → 28,900 (-7.7%)
Median household income$40,900 → $48,887 (+19.5%)$32,063 → $34,501 (+7.6%)
Median home value$102,000 → $147,300 (+44.4%)$76,700 → $86,800 (+13.2%)
Median gross rent$606 → $728 (+20.1%)$594 → $663 (+11.6%)

Clarendon County

Population
33,95731,037
Median household income
$40,900$48,887
Median home value
$102,000$147,300
Median gross rent
$606$728

Marion County

Population
31,30828,900
Median household income
$32,063$34,501
Median home value
$76,700$86,800
Median gross rent
$594$663

Age & race/ethnicity

Age distribution (share)

Clarendon CountyMarion County
Under 54.5%5.2%
5 to 1714.1%17.2%
18 to 248.6%7.7%
25 to 3411.1%10.8%
35 to 4410.6%12.0%
45 to 5411.4%12.1%
55 to 6415.4%13.8%
65 to 7414.6%13.5%
75 and over9.8%7.7%

Race & ethnicity (share)

Clarendon CountyMarion County
White (non-Hispanic)48.9%38.4%
Black or African American45.2%55.7%
American Indian & Alaska Native0.1%0.3%
Asian0.7%0.1%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.1%0.1%
Two or more races1.9%2.7%
Hispanic or Latino3.0%2.6%

Educational attainment (age 25+)

Share of adults 25+

Clarendon CountyMarion County
No high school diploma18.1%16.0%
High school graduate36.8%48.9%
Some college or associate's27.5%21.4%
Bachelor's degree11.4%8.4%
Graduate or professional degree6.2%5.3%

Commute to work

How workers get to work (share)

Clarendon CountyMarion County
Drove alone83.4%85.0%
Carpooled8.2%8.3%
Public transit0.1%0.0%
Walked1.7%1.0%
Bicycle0.4%0.0%
Worked from home5.1%4.5%
Other means1.1%1.2%

Housing

Units in structure (share)

Clarendon CountyMarion County
1-unit, detached56.6%55.9%
1-unit, attached0.6%0.4%
2 to 4 units2.3%6.2%
5 to 19 units2.6%1.6%
20 or more units1.8%0.0%
Mobile home & other36.1%35.9%

Poverty & households

Clarendon CountyMarion County
Poverty rate18.5%27.3%
Average household size2.482.43
Mean commute (minutes)3129
Median year structure built19891983

Full profiles

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