Dillon County, South Carolina Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 33rd-largest in South Carolina

The population of Dillon County, South Carolina is 28,031 as of the 2023 American Community Survey, making it the 33rd-largest county in South Carolina. The median household income is $44,038, the median home value is $84,400, and the median age is 37.5.

The population of Dillon County has declined 14.0% since 2010 (32,080 → 27,577), a -1.07% annualized rate.

Dillon County within South Carolina · Source: US Census TIGER/Line via us-atlas

28,031

Population

-1.07%

Annual growth

People / sq mi

$44,038

Median Income

$84,400

Median Home Value

Dillon County covers 405 sq mi of land at 69.2 people per square mile.

About Dillon County, SC

Dillon County is a county in South Carolina with a population of 28,031. It ranks #33 among counties in South Carolina by population. The median age is 37.5, younger than the national median. The population is 47.3% male and 52.7% female.

The median household income in Dillon County is $44,038, below the US median of $74,580. 24.9% of residents live below the federal poverty level. Home values sit at a median of $84,400, with monthly rent averaging $692. The homeownership rate of 60.3% is lower than the national rate of 64.8%.

Educational attainment in Dillon County reflects 11.7% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 4.4% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 25.1 minutes each way.

Dillon County Population History (2010-2024)

The county of Dillon County had a population of 32,080 in 2010 and 27,577 in 2024, a -14.0% growth over 14 years. The peak was 32,080 in 2010. Average annual growth rate: -1.06%.

27,577

Population (2024)

32,080

Population (2010)

32,080

Peak (2010)

-1.06%

Avg Annual Growth

Year	Population	Change	Annual %	Source
2010	32,080	-	-	estimate
2011	31,752	-328	-1.02%	estimate
2012	31,529	-223	-0.70%	estimate
2013	31,407	-122	-0.39%	estimate
2014	31,290	-117	-0.37%	estimate
2015	31,138	-152	-0.49%	estimate
2016	30,695	-443	-1.42%	estimate
2017	30,442	-253	-0.82%	estimate
2018	30,509	+67	+0.22%	estimate
2019	30,352	-157	-0.51%	estimate
2020	28,280	-2,072	-6.83%	estimate
2021	27,977	-303	-1.07%	estimate
2022	27,766	-211	-0.75%	estimate
2023	27,712	-54	-0.19%	estimate
2024	27,577	-135	-0.49%	estimate

Race & Ethnicity

White	45.3%
Black or African American	45.7%
Asian	0.0%
Hispanic or Latino (any race)	3.9%
Two or More Races	0.0%

Age & Sex

37.5

Median Age

52.7%

Female

47.3%

Male

17.3%

Age 65+

Age Distribution

Under 5

7.1%

5–9

6.4%

10–14

7.6%

15–19

6.5%

20–24

6.3%

25–34

12.4%

35–44

11.7%

45–54

11.8%

55–59

7.6%

60–64

5.4%

65–74

10.6%

75–84

5.3%

85+

1.4%

Children (under 15): 21.1% · Seniors (65+): 17.3%

Income & Poverty

Median household income	$44,038$-22,780 vs state
Mean household income	$57,551
Per-capita income	$23,016
Poverty rate	24.9%+14.8% vs state
Unemployment rate	3.9%
Employment-to-population	52.9%

Top Industries by Employment

Professional & business services

21.5%

Manufacturing

19.1%

Education & health care

7.7%

Retail trade

7.3%

Finance & real estate

6.1%

Arts, entertainment & food

4.9%

Construction

4.7%

Public administration

4.6%

The largest employment sector in Dillon County is professional & business services, accounting for 21.5% of workers.

How residents commute

0.0%

Drive alone

0.3%

Carpool

79.3%

Public transit

4.4%

Work from home

25.1 min

Avg commute

Housing

$84,400$-152,300 vs state

Median home value

$692

Median rent

60.3%

Homeownership rate

12,879

Total housing units

82.2%

Occupied

17.8%

Vacant

39.7%

Renter-occupied

Social & access

85.4%

With health insurance

80.9%

With broadband internet

16.6%

Foreign-born

6.1%

Veterans (18+)

16.5%

With a disability

97.2%

Speak language other than English at home

Education

81.6%

High School+

11.7%

Bachelor's+

Largest cities in South Carolina

Charleston (152,014)Columbia (138,019)North Charleston (117,460)Mount Pleasant (92,662)Rock Hill (74,769)Greenville (71,755)Summerville (51,262)Goose Creek (46,964)Sumter (43,065)Florence (40,205)All South Carolina cities →

Other counties in South Carolina

Greenville County (537,575)Richland County (418,725)Charleston County (414,711)Horry County (368,937)Spartanburg County (338,096)Lexington County (300,370)York County (288,559)Berkeley County (238,723)Anderson County (207,218)Beaufort County (192,123)All South Carolina counties →

Part of South Carolina

South Carolina demographic profile All South Carolina data →

Metro areas in South Carolina

Charlotte (2,712,818)Greenville (945,301)Columbia (839,868)Charleston (817,756)Augusta (618,022)Myrtle Beach (368,937)Spartanburg (365,086)Hilton Head Island (222,781)All US metros →

County rankings

US Counties by Population Richest US Counties by Median Household Income Expensive US Counties by Home Value Educated US Counties Counties With Highest Poverty Rates Youngest US Counties by Median Age Oldest US Counties by Median Age Cheapest US Counties by Median Home Value Racially Diverse US Counties Counties With Largest Hispanic Population All rankings →

Frequently Asked Questions

Dillon County, South Carolina has a population of 28,031 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 33rd-largest county in South Carolina. Population density is 69 people per square mile.

The population of Dillon County has declined 14.0% since 2010 (32,080 → 27,577), a -1.07% annualized rate.

The median household income in Dillon County, South Carolina is $44,038, with mean (average) household income of $57,551 and per-capita income of $23,016. 24.9% of residents live below the federal poverty level.

In Dillon County, the largest racial and ethnic groups are Black or African American (45.7%), White (45.3%), Hispanic or Latino (3.9%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Dillon County, South Carolina is 37.5 years. Residents are 52.7% female and 47.3% male.

The median home value in Dillon County is $84,400 and median monthly rent is $692. 60.3% of occupied housing units are owner-occupied. The county has 12,879 total housing units, 17.8% of which are vacant.

The largest employment sector in Dillon County, South Carolina is professional, scientific, and management services, employing 21.5% of workers. The unemployment rate is 3.9%.

Charleston is among the largest cities associated with Dillon County, South Carolina, with a population of 152,014.