CITY · 1990 CENSUS

Duncan

South Carolina · 2,152 residents · 6.27 sq mi

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The short version

With 2,152 people, Duncan is a city in South Carolina. Four-year degrees are less common here than nationally, at 4% of adults. The typical home is worth $47,800. The population has fallen 25% since 2000. Getting to work takes 16 minutes on average. 58% of homes are owner-occupied.

At a glance

Lower income

median household income $23,085, below the US median

US median: $30,130

Mid-age

median age 31.9

US median: 33.0

Less educated

4% hold a bachelor's degree

US average: 20%

More affordable

home values down 10%, inflation adjusted

US median home: $93,722

Section 01

Population & growth

Total population

2,152

−25%vs 2000

vs 2,870 in 2000

1990 – 2025

Population density

343 / sq mi

−25%vs 2000

vs 458 / sq mi in 2000

US average: 221

Median age

31.9

+14%vs 2000

vs 27.9 in 2000

US average: 33.0

Land area

6.27 sq mi

Population, 1990 – 2024

20244K

Age distribution, 1990

Under 57.9%(169)

US avg: 7.3%

5 to 98.7%(188)

US avg: 7.3%

10 to 146.4%(138)

US avg: 6.9%

15 to 198.2%(176)

US avg: 7.1%

20 to 247%(150)

US avg: 7.5%

25 to 3417.2%(370)

US avg: 17.5%

35 to 4413.2%(285)

US avg: 15.1%

45 to 549.6%(206)

US avg: 10.2%

55 to 648.9%(191)

US avg: 8.5%

65 to 748.8%(189)

US avg: 7.3%

75 to 843.3%(70)

US avg: 4%

85 and over0.9%(20)

US avg: 1.2%

BAR + DOT: THIS PLACE · TICK: US AVERAGE

Section 02

Income & economy

Median household income

$23,085

+9%inflation adjusted, since 2000

vs $27,974 in 2000

US average: $30,130

1990 – 2024

Per capita income

$9,942

−25%vs 2000

vs $13,194 in 2000

US average: $14,340

Poverty rate

15.1%

−5.1 ptsvs 2000

vs 20.3% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$47,800

−10%inflation adjusted, since 2000

vs $70,200 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$327

−9%inflation adjusted, since 2000

vs $475 in 2000

US average: $450

Owner-occupied

58.2%

+12.4 ptsvs 2000

vs 45.8% in 2000

41.8% rent

Afford Score

2.1

1990 – 2024

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-Hispanic64%(1,837)

Black30.7%(882)

Hispanic / Latino3.4%(98)

Asian0.7%(19)

Other0%

1990

White, non-Hispanic78.9%(1,699)

Black20.2%(434)

Hispanic / Latino0.6%(13)

Asian0%(0)

Other0.3%(6)

Diversity Score

1990 – 2024

Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.

Section 04 · Origins

Detailed origins & ancestry

Detailed origin tables are available for 2024; showing 2024 data.

Hispanic origin

Mexican3.7%(159)

Central American1.8%(78)

Honduran1.6%(71)

South American1.2%(53)

Colombian0.6%(28)

Ecuadorian0.6%(25)

Guatemalan0.2%(7)

Ancestry

German14.1%(606)

English12.9%(555)

Irish6.3%(272)

Danish2.3%(101)

American1.8%(78)

Swedish1.3%(58)

French1.1%(49)

Scotch-Irish1.1%(47)

British1%(43)

Italian1%(43)

French Canadian0.6%(27)

Ukrainian0.5%(22)

+ 2 more ancestry groups with data

Welsh0.3%(15)

Scottish0.3%(14)

RANKED:Largest German population · Largest English population · Largest Irish population · Largest Mexican population · Largest Danish population

Section 05

Education

Bachelor's degree or higher

4.4%

−2.8 ptsvs 2000

vs 7.2% in 2000

US average: 20.3%

High school or higher

53.3%

−15.7 ptsvs 2000

vs 68.9% in 2000

US average: 75.2%

Graduate degree

1.7%

Unchangedvs 2000

vs 1.6% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

15.6 min

+31%vs 2000

vs 11.9 min in 2000

US average: 21.9

Section 07

Work & employment

No data for the years selected.

Section 08

People & community

No data for the years selected.

Marital status (2024)

Men 15+

Never married43.2%(724)

Married35.4%(594)

Widowed0%(0)

Divorced21.4%(358)

Women 15+

Never married23.4%(400)

Married49.3%(843)

Widowed16.6%(284)

Divorced10.6%(182)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

12.9%

−0.7 ptssince 2013

from 13.6% in 2013

US average: 8.4%

Employer-based

57.6%

+10.6 ptssince 2020

from 47.0% in 2020

US average: 54.8%

Direct-purchase

7.6%

+0.9 ptssince 2020

from 6.7% in 2020

US average: 13.8%

Medicare

11.5%

−2.0 ptssince 2020

from 13.5% in 2020

US average: 18.4%

Medicaid

16.3%

−12.7 ptssince 2020

from 29.0% in 2020

US average: 20.9%

VA health care

0.6%

−0.8 ptssince 2020

from 1.4% in 2020

US average: 2.2%

Any private

62.8%

+10.2 ptssince 2020

from 52.6% in 2020

US average: 67.1%

Any public

27.4%

−13.1 ptssince 2020

from 40.5% in 2020

US average: 36.7%

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, 2024

Gulf War (2001 or later)81.3%(113)

US avg: 26.4%

Gulf War (1990s)0%(0)

US avg: 24.3%

Vietnam era18.7%(26)

US avg: 33.1%

Korean War0%(0)

US avg: 4.5%

World War II0%(0)

US avg: 1%

Share of the 139 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.

BAR + DOT: THIS PLACE · TICK: US AVERAGE

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