United States › Oklahoma › Duncan CITY · 1990 CENSUS
Duncan Oklahoma · 21,732 residents · 42.9 sq mi
Time machine
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The short version
With 21,732 people, Duncan is a city in Oklahoma. The typical home is worth $40,600. The median age is 36.8, about 4 years above the US median. Getting to work takes 13 minutes on average. Renters pay $305 a month at the median. The poverty rate is 18.5%, above the 13.2% national rate.
At a glance
Lower income
below the US median
US median: $30,130
Older
median age 36.8
US median: 33.0
Average education
18% hold a bachelor's degree
US average: 20%
More affordable
home values down 8%, inflation adjusted
US median home: $93,722
Section 01
Population & growth vs 40.3 in 2000
US average: 33.0
Population, 1990 – 2024
22K 22K 23K 23K 24K 1990 2000 2010 2020 2024 Duncan Age distribution, 1990
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $23,393
+1%inflation adjusted, since 2000
vs $30,373 in 2000
US average: $30,130
vs $17,643 in 2000
US average: $14,340
vs 15.4% in 2000
US average: 13.2%
$40,600
−8%inflation adjusted, since 2000
vs $58,300 in 2000
US average: $93,722
$305
+3%inflation adjusted, since 2000
vs $389 in 2000
US average: $450
vs 69.7% in 2000
30.5% rent
Section 04
Race & ethnicity 2000
White, non-Hispanic 83.3%(18,752)
Hispanic / Latino 6%(1,349)
1990
White, non-Hispanic 89.6%(19,465)
Hispanic / Latino 2.6%(567)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Detailed origin tables are available for 2024; showing 2024 data.
Ancestry
+ 25 more ancestry groups with data vs 19.7% in 2000
US average: 20.3%
High school or higher
vs 76.8% in 2000
US average: 75.2%
vs 5.8% in 2000
US average: 7.1%
Section 06
Commute & transportation vs 13.2 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 married 29.1%(2,641)
Women 15+
Never married 21.8%(2,131)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 17.5% in 2013
US average: 8.4%
from 41.2% in 2020
US average: 54.8%
Direct-purchase
from 11.9% in 2020
US average: 13.8%
from 20.7% in 2020
US average: 18.4%
from 21.8% in 2020
US average: 20.9%
VA health care
from 3.4% in 2020
US average: 2.2%
Any private
from 55.9% in 2020
US average: 67.1%
Any public
from 40.9% 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) 30.2%(470)
Gulf War (1990s) 27.9%(434)
Share of the 1,555 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
Drill deeper
Places similar to Duncan Head to head
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Frequently asked
How many people live in Duncan, Oklahoma? Duncan, Oklahoma has about 21,732 residents according to the 1990 Census.
What is the median household income in Duncan, Oklahoma? The typical household in Duncan, Oklahoma earns about $23,393 a year. Half of households make more than that, and half make less.
Is Duncan, Oklahoma expensive? In Duncan, Oklahoma, the median home is worth about $40,600, and the typical rent is about $305 a month.
How educated are people in Duncan, Oklahoma? About 17.9% of adults age 25 and over in Duncan, Oklahoma hold a bachelor's degree or higher.
What is the poverty rate in Duncan, Oklahoma? About 18.5% of people in Duncan, Oklahoma live below the federal poverty line.
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