US Census Data
Population
4,175
+20.2%’19–’23
Median household income
$51,596
+14.6%’19–’23
Median home value
$182,500
+50.1%’19–’23

Duncan, a community in Spartanburg County, South Carolina, has 4,175 residents. At $51,596, its median household income sits below Spartanburg County's $64,195.

From 2019 to 2023, Duncan's population grew 20.2% from 3,473 to 4,175, while its median home value rose 50.1% from $121,600 to $182,500.

The median resident is 30.9 years old. The largest age group is 25 to 34, 25.4% of residents.

Demographics

ACS 2019–2023
Population
4,175
Median age
30.9 yrs
Median household income
$51,596
Median home value
$182,500
Median gross rent
$1,045
Housing units
1,758
Homeownership rate
52.6%
Bachelor's degree or higher
34.0%
Unemployment rate
3.3%

Trends

ACS 5-year · 2019–2023
Population
3,4734,175
Median household income
$45,036$51,596
Median home value
$121,600$182,500
Median gross rent
$834$1,045
YearPopulationMedian household incomeMedian home valueMedian gross rent
20193,473$45,036$121,600$834
20203,556$50,000$116,900$937
20213,937$52,979$138,300$1,035
20224,053$58,112$164,300$1,029
20234,175$51,596$182,500$1,045

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

CountShare
Under 54029.6%
5 to 1781219.4%
18 to 241664.0%
25 to 341,06225.4%
35 to 4454513.1%
45 to 544079.7%
55 to 644009.6%
65 to 742866.9%
75 and over952.3%

Race & ethnicity

CountShare
White (non-Hispanic)2,07149.6%
Black or African American1,69540.6%
American Indian & Alaska Native00.0%
Asian00.0%
Native Hawaiian & Pacific Islander00.0%
Some other race401.0%
Two or more races431.0%
Hispanic or Latino (any race)3267.8%

Educational attainment (age 25+)

CountShare
No high school diploma44515.9%
High school graduate74726.7%
Some college or associate's65423.4%
Bachelor's degree81029.0%
Graduate or professional degree1395.0%

Commute to work

Mean travel time to work
26 min

How workers get to work

CountShare
Drove alone1,60087.9%
Carpooled1588.7%
Public transit00.0%
Walked532.9%
Bicycle00.0%
Worked from home90.5%
Other means00.0%

Travel time

CountShare
Under 15 min57731.9%
15 to 29 min59933.1%
30 to 44 min22012.1%
45 to 59 min20611.4%
60+ min20911.5%

Households

Average household size
2.47
Poverty rate
17.1% (701 of 4,102)
CountShare
Family households1,06363.4%
Nonfamily households61336.6%

Housing

Median year structure built
2001

Occupancy

CountShare
Occupied1,67695.3%
Vacant824.7%

Tenure (of occupied units)

CountShare
Owner-occupied88152.6%
Renter-occupied79547.4%

Units in structure

CountShare
1-unit, detached1,08561.7%
1-unit, attached130.7%
2 to 4 units372.1%
5 to 19 units1287.3%
20 or more units24614.0%
Mobile home & other24914.2%

Geography

Place GEOID
4521265
Type (LSAD)
43
Land area
6.62 sq mi
Water area
0.12 sq mi
Center point
34.9324, -82.1437

Compare with nearby cities

5

South Carolina rankings

21

Other places in Spartanburg County

37