US Census Data

Dillon County vs Union County

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

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

Dillon County has the higher population (28,031 vs 26,990 in Union County). Dillon County has the higher median household income ($44,038 vs $41,200 in Union County). Union County has the higher median home value ($100,000 vs $84,400 in Dillon County).

Population, income & housing

Dillon CountyUnion County
Population28,03126,990
Median age37.5 yrs44.3 yrs
Median household income$44,038$41,200
Median home value$84,400$100,000
Median gross rent$692$770
Housing units12,87913,508
Homeownership rate60.3%69.3%
Bachelor's degree or higher11.7%13.5%
Unemployment rate6.8%7.7%

Trends (ACS 5-year, 2019–2023)

Dillon CountyUnion County
Population30,689 → 28,031 (-8.7%)27,490 → 26,990 (-1.8%)
Median household income$30,812 → $44,038 (+42.9%)$41,186 → $41,200 (+0.0%)
Median home value$79,300 → $84,400 (+6.4%)$80,000 → $100,000 (+25.0%)
Median gross rent$590 → $692 (+17.3%)$690 → $770 (+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

Union County

Population
27,49026,990
Median household income
$41,186$41,200
Median home value
$80,000$100,000
Median gross rent
$690$770

Age & race/ethnicity

Age distribution (share)

Dillon CountyUnion County
Under 57.1%5.4%
5 to 1718.3%15.7%
18 to 248.4%7.1%
25 to 3412.4%12.1%
35 to 4411.7%10.8%
45 to 5411.8%12.9%
55 to 6413.0%15.1%
65 to 7410.6%12.7%
75 and over6.7%8.3%

Race & ethnicity (share)

Dillon CountyUnion County
White (non-Hispanic)44.7%64.1%
Black or African American45.7%28.9%
American Indian & Alaska Native2.0%0.3%
Asian0.0%0.2%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.2%
Two or more races4.2%4.4%
Hispanic or Latino3.3%1.9%

Educational attainment (age 25+)

Share of adults 25+

Dillon CountyUnion County
No high school diploma18.4%19.3%
High school graduate43.9%37.7%
Some college or associate's26.0%29.5%
Bachelor's degree6.9%10.3%
Graduate or professional degree4.7%3.2%

Commute to work

How workers get to work (share)

Dillon CountyUnion County
Drove alone79.3%80.4%
Carpooled15.1%14.6%
Public transit0.0%0.0%
Walked0.3%1.4%
Bicycle0.0%0.0%
Worked from home4.4%2.5%
Other means0.9%1.1%

Housing

Units in structure (share)

Dillon CountyUnion County
1-unit, detached54.8%67.9%
1-unit, attached0.6%0.2%
2 to 4 units3.5%4.0%
5 to 19 units4.1%2.6%
20 or more units0.0%3.5%
Mobile home & other37.1%21.9%

Poverty & households

Dillon CountyUnion County
Poverty rate29.2%22.7%
Average household size2.612.26
Mean commute (minutes)2528
Median year structure built19841973

Full profiles

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