Dillon County vs Marion County

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

Dillon 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.

Marion County has the higher population (28,900 vs 28,031 in Dillon County). Dillon County has the higher median household income ($44,038 vs $34,501 in Marion County). Marion County has the higher median home value ($86,800 vs $84,400 in Dillon County).

Population, income & housing

	Dillon County	Marion County
Population	28,031	28,900
Median age	37.5 yrs	43.0 yrs
Median household income	$44,038	$34,501
Median home value	$84,400	$86,800
Median gross rent	$692	$663
Housing units	12,879	14,418
Homeownership rate	60.3%	62.2%
Bachelor's degree or higher	11.7%	13.8%
Unemployment rate	6.8%	5.9%

Trends (ACS 5-year, 2019–2023)

	Dillon County	Marion County
Population	30,689 → 28,031 (-8.7%)	31,308 → 28,900 (-7.7%)
Median household income	$30,812 → $44,038 (+42.9%)	$32,063 → $34,501 (+7.6%)
Median home value	$79,300 → $84,400 (+6.4%)	$76,700 → $86,800 (+13.2%)
Median gross rent	$590 → $692 (+17.3%)	$594 → $663 (+11.6%)

Dillon County

Population

30,68928,031

Median household income

$30,812$44,038

Median home value

$79,300$84,400

Median gross rent

$590$692

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)

	Dillon County	Marion County
Under 5	7.1%	5.2%
5 to 17	18.3%	17.2%
18 to 24	8.4%	7.7%
25 to 34	12.4%	10.8%
35 to 44	11.7%	12.0%
45 to 54	11.8%	12.1%
55 to 64	13.0%	13.8%
65 to 74	10.6%	13.5%
75 and over	6.7%	7.7%

Race & ethnicity (share)

	Dillon County	Marion County
White (non-Hispanic)	44.7%	38.4%
Black or African American	45.7%	55.7%
American Indian & Alaska Native	2.0%	0.3%
Asian	0.0%	0.1%
Native Hawaiian & Pacific Islander	0.0%	0.0%
Some other race	0.0%	0.1%
Two or more races	4.2%	2.7%
Hispanic or Latino	3.3%	2.6%

Educational attainment (age 25+)

Share of adults 25+

	Dillon County	Marion County
No high school diploma	18.4%	16.0%
High school graduate	43.9%	48.9%
Some college or associate's	26.0%	21.4%
Bachelor's degree	6.9%	8.4%
Graduate or professional degree	4.7%	5.3%

Commute to work

How workers get to work (share)

	Dillon County	Marion County
Drove alone	79.3%	85.0%
Carpooled	15.1%	8.3%
Public transit	0.0%	0.0%
Walked	0.3%	1.0%
Bicycle	0.0%	0.0%
Worked from home	4.4%	4.5%
Other means	0.9%	1.2%

Housing

Units in structure (share)

	Dillon County	Marion County
1-unit, detached	54.8%	55.9%
1-unit, attached	0.6%	0.4%
2 to 4 units	3.5%	6.2%
5 to 19 units	4.1%	1.6%
20 or more units	0.0%	0.0%
Mobile home & other	37.1%	35.9%

Poverty & households

	Dillon County	Marion County
Poverty rate	29.2%	27.3%
Average household size	2.61	2.43
Mean commute (minutes)	25	29
Median year structure built	1984	1983