United States › South Carolina › Duncan CITY · 2020 ACS
Duncan South Carolina · 4,041 residents · 6.27 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
With 4,041 people, Duncan is a city in South Carolina. This skews young, with a median age of 31.8. Owners hold 47% of the housing stock. Growth has run 41% since 2000, or 1,171 more people. Four-year degrees are less common here than nationally, at 20% of adults. The typical home is worth $116,900, having risen by half since 2000.
At a glance
Lower income
median household income $50,000, below the US median
US median: $66,278
Younger
median age 31.8
US median: 38.8
Less educated
20% hold a bachelor's degree
US average: 33%
Stable housing
home values roughly flat, inflation adjusted
US median home: $265,253
Section 01
Population & growth 645 / sq mi
+41%since 2000
from 458 / sq mi in 2000
US average: 280
from 27.9 in 2000
US average: 38.8
Population, 1990 – 2024
2K 3K 3K 4K 5K 1990 2000 2010 2020 2024 Duncan Age distribution, 2020
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Section 02
Income & economy $50,000
+19%inflation adjusted, since 2000
from $27,974 in 2000
US average: $66,278
from $13,194 in 2000
US average: $35,364
Households earning $100K+
from 12.0% in 2009
US average: 43.9%
from 20.3% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 8.3%
Public administration 6.3%
Arts, entertainment, food 1.5%
Agriculture, forestry, fishing 0.2%
Transportation & warehousing 0.2%
Education & health services 0%
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$116,900
+11%inflation adjusted, since 2000
from $70,200 in 2000
US average: $265,253
$937
+31%inflation adjusted, since 2000
from $475 in 2000
US average: $1,124
from 45.8% in 2000
52.8% rent
2.64 people
+20%since 2009
from 2.20 people in 2009
US average: 2.61
from 3.3 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 64%(1,837)
Hispanic / Latino 3.4%(98)
2020
White, non-Hispanic 51.9%(2,098)
Hispanic / Latino 10.8%(436)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 4 more ancestry groups with data from 7.2% in 2000
US average: 32.9%
High school or higher
from 68.9% in 2000
US average: 88.5%
from 1.6% in 2000
US average: 12.7%
Section 06
Commute & transportation from 11.9 min in 2000
US average: 26.9
from 86.5% in 2009
US average: 75.1%
from 9.7% in 2009
US average: 8.4%
Section 07
Work & employment from 11.7% in 2011
US average: 5.4%
from 67.7% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 23.2% in 2009
US average: 39.3%
Section 08
People & community from 11.2% in 2009
US average: 13.5%
from 13.6% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 13.6% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 56.3%(72)
Gulf War (1990s) 14.1%(18)
Share of the 128 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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Frequently asked
How many people live in Duncan, South Carolina? Duncan, South Carolina has about 4,041 residents according to the 2020 American Community Survey.
What is the median household income in Duncan, South Carolina? The typical household in Duncan, South Carolina earns about $50,000 a year. Half of households make more than that, and half make less.
Is Duncan, South Carolina expensive? In Duncan, South Carolina, the median home is worth about $116,900, and the typical rent is about $937 a month.
How educated are people in Duncan, South Carolina? About 20.1% of adults age 25 and over in Duncan, South Carolina hold a bachelor's degree or higher.
What is the poverty rate in Duncan, South Carolina? About 21.8% of people in Duncan, South Carolina live below the federal poverty line.
Has Duncan, South Carolina grown since 1990? Yes, Duncan, South Carolina has grown since 1990. The population has added about 1,889 residents, a change of about 88 percent over that period.
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