Duncan, OK

Census Place

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2024 Population

22,958

US Senator

James Lankford

Republican Party

US Senator

Alan Armstrong

Republican Party

2024 Median Age

39.9

0.25% 1-year decrease

2024 Poverty Rate

20.5%

0.36% 1-year increase

2024 Median Household Income

$58,054

1.81% 1-year growth

2024 Median Property Value

$131,500

4.53% 1-year growth

2024 Employed Population

9,255

2.08% 1-year decline

About

None of the households in Duncan, OK reported speaking a non-English language at home as their primary shared language. This does not consider the potential multi-lingual nature of households, but only the primary self-reported language spoken by all members of the household.

97.8% of the residents in Duncan, OK are U.S. citizens.

The largest universities in Duncan, OK are Red River Technology Center (250 degrees awarded in 2024).

In 2024, the median property value in Duncan, OK was $131,500, and the homeownership rate was 67.7%.

Most people in Duncan, OK drove alone to work, and the average commute time was 21.9 minutes. The average car ownership in Duncan, OK was 2 cars per household.

United States Oklahoma Stephens County, OK Duncan, OK South Central Oklahoma Counties--Ardmore, Duncan, Sulphur & Madill Cities PUMA, OK

Population & Diversity

Duncan, OK is home to a population of 23k people, from which 97.8% are citizens. As of 2024, 3.72% of Duncan, OK residents were born outside of the country (853 people).

In 2024, there were 9.58 times more White (Non-Hispanic) residents (17k people) in Duncan, OK than any other race or ethnicity. There were 1.77k Two Races Excluding Other, & Three or More Races (Non-Hispanic) and 1.03k Two Races Including Other (Hispanic) residents, the second and third most common ethnic groups.

Population & Diversity

Citizenship

97.8%

2024 Citizenship

97.8%

2023 Citizenship

As of 2024, 97.8% of Duncan, OK residents were US citizens, which is higher than the national average of 93.2%. In 2023, the percentage of US citizens in Duncan, OK was 97.8%, meaning that the rate of citizenship has been increasing.

The following chart shows US citizenship percentages in Duncan, OK compared to that of it's neighboring and parent geographies.

Diversity

Race and Ethnicity

The 3 largest ethnic groups in Duncan, OK

White (Non-Hispanic)
17k ± 331
Two Races Excluding Other, & Three or More Races (Non-Hispanic)
1.77k ± 232
Two Races Including Other (Hispanic)
1.03k ± 211

11.7%

Hispanic Population

2.69k people

11.7% of the people in Duncan, OK are hispanic (2.69k people).

The following chart shows the 8 races represented in Duncan, OK as a share of the total population.

Global Diversity

The PUMS dataset is not available at the Place level, so we are showing data for Oklahoma.

Most Common Origin

Mexico
105,864 ± 7,883 people
Vietnam
13,987 ± 2,899 people
Guatemala
12,051 ± 2,691 people

In 2024, the most common birthplace for the foreign-born residents of Oklahoma was Mexico, the natal country of 105,864 Oklahoma residents, followed by Vietnam with 13,987 and Guatemala with 12,051.

Foreign-Born Population

3.72%

2024 Foreign-Born Population

853 people

3.52%

2023 Foreign-Born Population

804 people

As of 2024, 3.72% of Duncan, OK residents (853 people) were born outside of the United States, which is approximately the same as the national average of 14%. In 2023, the percentage of foreign-born citizens in Duncan, OK was 3.52%, meaning that the rate has been increasing.

The following chart shows the percentage of foreign-born residents in Duncan, OK compared to that of it's neighboring and parent geographies.

Military

Veterans

Most Common Service Period

Vietnam
520 ± 125
Gulf War (2001-)
470 ± 144
Gulf War (1990s)
224 ± 83

Duncan, OK has a large population of military personnel who served in Vietnam, 1.11 times greater than any other conflict.

The chart shows the distribution of veterans by conflict in Duncan, OK.

Health

85.7% of the population of Duncan, OK has health coverage, with 32.5% on employee plans, 22.1% on Medicaid, 15.4% on Medicare, 12.2% on non-group plans, and 3.5% on military or VA plans.

Primary care physicians in Oklahoma see 1,694 patients per year on average, which represents a 0% change from the previous year (1,694 patients). Compare this to dentists who see 1561 patients per year, and mental health providers who see 231 patients per year.

By gender, of the total number of insured persons, 48.9% were men and 51.1% were women.

Coverage

Health Care Diversity

In 2024, insured persons according to age ranges were distributed in 24% under 18 years, 20.1% between 18 and 34 years, 35.6% between 35 and 64 years, and 20.2% over 64 years.

By gender, of the total number of insured persons, 48.9% were men and 51.1% were women.

The following chart shows the number of people with health coverage by gender.

Uninsured People

14.3%

Uninsured

32.5%

Employer Coverage

22.1%

Medicaid

15.4%

Medicare

12.2%

Non-Group

3.5%

Military or VA

Between 2023 and 2024, the percent of uninsured citizens in Duncan, OK declined by 8.66% from 15.6% to 14.3%.

The following chart shows how the percent of uninsured individuals in Duncan, OK changed over time compared with the percent of individuals enrolled in various types of health insurance.

Economy

The economy of Duncan, OK employs 9.26k people. In 2024, the largest industries in Duncan, OK were Health Care & Social Assistance (1,394 people), Retail Trade (1,294 people), and Mining, Quarrying, & Oil & Gas Extraction (817 people), and the highest paying industries were Agriculture, Forestry, Fishing & Hunting ($80,313), Agriculture, Forestry, Fishing & Hunting, & Mining ($71,500), and Mining, Quarrying, & Oil & Gas Extraction ($71,188).

Employment

Occupations

9.26k

2024 Value

± 589

−2.08%

1 Year decline

± 9.22%

From 2023 to 2024, employment in Duncan, OK declined at a rate of −2.08%, from 9.45k employees to 9.26k employees.

The most common job groups, by number of people living in Duncan, OK, are Sales & Related Occupations (922 people), Construction & Extraction Occupations (895 people), and Office & Administrative Support Occupations (839 people). This chart illustrates the share breakdown of the primary jobs held by residents of Duncan, OK.

Unemployment Insurance Claims

Data is only available at the state level. Showing data for Oklahoma.

This chart shows weekly unemployment insurance claims in Oklahoma (not-seasonally adjusted) compared with the four states with the most similar impact.

The most recent data point uses Advance State Claims data, which can be revised in subsequent weeks.

Industries

Employment by Industries

9.26k

2024 Value

± 589

−2.08%

1 Year decline

± 9.22%

From 2023 to 2024, employment in Duncan, OK declined at a rate of −2.08%, from 9.45k employees to 9.26k employees.

The most common employment sectors for those who live in Duncan, OK, are Health Care & Social Assistance (1,394 people), Retail Trade (1,294 people), and Mining, Quarrying, & Oil & Gas Extraction (817 people). This chart shows the share breakdown of the primary industries for residents of Duncan, OK, though some of these residents may live in Duncan, OK and work somewhere else. Census data is tagged to a residential address, not a work address.

Median Earnings by Industry

$47,068

Median earning men ± $3,051

$31,512

Median earning women ± $1,719

The industries with the best median earnings for men in 2024 are Finance & Insurance, & Real Estate & Rental & Leasing ($120,750), Agriculture, Forestry, Fishing & Hunting, & Mining ($75,164), and Public Administration ($65,458).

The industries with the best median earnings for women in 2024 are Agriculture, Forestry, Fishing & Hunting, & Mining ($47,054), Public Administration ($42,917), and Finance & Insurance, & Real Estate & Rental & Leasing ($36,442).

Employment by Industry Sector

Data is only available at the state level. Showing data for Oklahoma.

Y-Axis

2.57%

Year-over-year growth

Employment change between February 2022 and February 2023

As of February 2023, there are 1.72M people employed in Oklahoma. This represents a 2.57% increase in employment when compared to February 2022.

Right after the beginning of the COVID-19 pandemic, during April 2020, a general dip can be seen across industry sectors, resulting in an overall decline in employment by 10%.

The following chart shows monthly employment numbers for each industry sector in Oklahoma.

Civics

In the 2024 presidential election, the popular vote in Oklahoma went to Donald J. Trump with 66.2% of the vote. The runner-up was Kamala Harris (31.9%), followed by Robert Kennedy (1.02%).

James Lankford and Alan Armstrong are the senators currently representing the state of Oklahoma. In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

Oklahoma is currently represented by 5 members in the U.S. house, and members of the House of Representives are elected to 2-year terms.

Presidential Elections

Presidential Popular Vote Over Time

Voting results are not available for Duncan, OK. Showing the available data for Oklahoma.

2024 Election Results

Donald J. Trump (66.2%)
Republican Party
Kamala Harris (31.9%)
Democratic Party
Robert Kennedy (1.02%)
Independent Party

In the 2024 presidential election, the popular vote in Oklahoma went to Donald J. Trump with 66.2% of the vote. The runner-up was Kamala Harris (31.9%), followed by Robert Kennedy (1.02%).

The following chart shows the popular vote results in Oklahoma for each registered party from 1976 to 2024.

Senator Elections

US Senators from Oklahoma

Senatorial voting results are only available at the state level. Showing data for Oklahoma.

James Lankford

Senator from Oklahoma

Assumed office on January 3, 2015
Took office following the resignation of Tom Coburn.

Alan Armstrong

Senator from Oklahoma

Assumed office on March 24, 2026
Took office following the resignation of Markwayne Mullin as Secretary of Homeland Security.{{cite web |last1=Hoberock |first1=Barbara |title=Mullin resigns from US Senate |url=https://oklahomavoice.com/2026/03/23/mullin-resigns-from-us-senate-oklahoma-governor-to-appoint-his-replacement/ |website=Oklahoma Voice |access-date=24 March 2026}}.

James Lankford and Alan Armstrong are the senators currently representing Oklahoma.

In the United States, senators are elected to 6-year terms with the terms for individual senators staggered.

The following chart shows elected senators in Oklahoma over time, excluding special elections, colored by their political party.

Education

In 2024, universities in Duncan, OK awarded 250 degrees. The student population of Duncan, OK in 2024 is skewed towards women, with 251 male students and 267 female students.

Most students graduating from Universities in Duncan, OK are White (145 and 58%), Two or More Races (58 and 23.2%), Hispanic or Latino (22 and 8.8%), and American Indian or Alaska Native (19 and 7.6%).

The largest universities in Duncan, OK by number of degrees awarded are Red River Technology Center (250 and 100%).

The most popular majors in Duncan, OK are Nursing Assistant & Patient Care Assistant (45 and 18%), Welding Technology (31 and 12.4%), and Medical Assistant (27 and 10.8%).

Admissions & Enrollments

Enrollments by Gender and Races

In 2024 there were 518 students enrolled in Duncan, OK, 48.5% men and 51.5% women.

By race, the largest number of students enrolled was concentrated in White with 333 records, of which 52% were women and 48% men.

Completions

Concentrations

Most Common

Nursing Assistant & Patient Care Assistant
45 degrees awarded
Welding Technology
31 degrees awarded
Medical Assistant
27 degrees awarded

In 2024, the most common concentation for 1 to 2 Year Postsecondary Certificate recipients in Duncan, OK was Nursing Assistant & Patient Care Assistant with 45 degrees awarded.

This visualization illustrates the percentage of students graduating with a 1 to 2 Year Postsecondary Certificate from schools in Duncan, OK according to their major.

Universities

Gender

Race

Red River Technology Center

Largest Universities by degrees awarded

250 degrees awarded

In 2024, the institution with the largest number of graduating students was Red River Technology Center with 250 degrees awarded.

Student Diversity

In 2024, 119 men were awarded degrees from institutions in Duncan, OK, which is 0.908 times less than the 131 female students who received degrees in the same year.

In 2024, the most common race/ethnicity group awarded degrees at institutions was White students. These 145 degrees mean that there were 2.5 times more degrees awarded to White students then the next closest race/ethnicity group, Two or More Races, with 58 degrees awarded.

Awarded Degrees over Time

The graph shows the evolution of awarded degrees by degrees. Under the paragraphs, the average number of awarded degrees by university in each degree is shown.

Housing & Living

The median property value in Duncan, OK was $131,500 in 2024, which is 0.395 times smaller than the national average of $332,700. Between 2023 and 2024 the median property value increased from $125,800 to $131,500, a 4.53% increase. The homeownership rate in Duncan, OK is 67.7%, which is higher than the national average of 65.2%.

People in Duncan, OK have an average commute time of 21.9 minutes, and they drove alone to work. Car ownership in Duncan, OK is approximately the same as the national average, with an average of 2 cars per household.

Housing

Property

$131,500

Median Property Value 2024

±$7,473

$6,424

Median Property Taxes

±$495

The following chart display owner-occupied housing units distributed between a series of property tax buckets compared to the national averages for each bucket. In Duncan, OK the largest share of households pay taxes in the < $800 range.

The chart underneath the paragraph shows the property taxes in Duncan, OK compared to it's parent and neighbor geographies.

Rent vs Own

67.7%

Homeownership

2024

67.6%

Homeowners with Mortgage

2024

In 2024, 67.7% of the housing units in Duncan, OK were occupied by their owner. This percentage declined from the previous year's rate of 67.8%.

This chart shows the percentage of owner in Duncan, OK compared it's parent and neighboring geographies.

Equity

Household Income

Please note that the buckets used in this visualization were not evenly distributed by ACS when publishing the data.

$58,054

Median Household Income

± $3,784

9.49k

Number of Households

± 609

In 2024, the median household income of the 9.49k households in Duncan, OK grew to $58,054 from the previous year's value of $57,020.

The following chart displays the households in Duncan, OK distributed between a series of income buckets compared to the national averages for each bucket. The largest share of households have an income in the $75k - $100k range.

Wage Distribution

The closest comparable wage GINI for Duncan, OK is from Oklahoma.

0.45

2024 Wage GINI in Oklahoma

0.452

2023 Wage GINI in Oklahoma

In 2024, the income inequality in Oklahoma was 0.45 according to the GINI calculation of the wage distribution. Income inequality had a 0.454% decline from 2023 to 2024, which means that wage distribution grew somewhat more even. The GINI for Oklahoma was lower than than the national average of 0.474. In other words, wages are distributed more evenly in Oklahoma in comparison to the national average.

This chart shows the number of workers in Oklahoma across various wage buckets compared to the national average.

Transportation

Commuter Transportation

Most Common Commute in 2024

Drove Alone (76.4%)
Carpooled (15.4%)
Worked At Home (5.27%)

In 2024, 76.4% of workers in Duncan, OK drove alone to work, followed by those who carpooled to work (15.4%) and those who worked at home (5.27%).

The following chart shows the number of households using each mode of transportation over time, using a logarithmic scale on the y-axis to help better show variations in the smaller means of commuting.

Commute Time

21.9 minutes

Average Travel Time

Using averages, employees in Duncan, OK have a shorter commute time (21.9 minutes) than the normal US worker (26.4 minutes). Additionally, 4.71% of the workforce in Duncan, OK have "super commutes" in excess of 90 minutes.

The chart below shows how the median household income in Duncan, OK compares to that of it's neighboring and parent geographies.

Car Ownership

2 cars

Average Number

The following chart displays the households in Duncan, OK distributed between a series of car ownership buckets compared to the national averages for each bucket. The largest share of households in Duncan, OK have 2 cars.

Poverty

Poverty & Diversity

20.5% of the population for whom poverty status is determined in Duncan, OK (4.61k out of 22.5k people) live below the poverty line, a number that is higher than the national average of 12.5%. The largest demographic living in poverty are Females 25 - 34, followed by Females 18 - 24 and then Females 65 - 74.

The most common racial or ethnic group living below the poverty line in Duncan, OK is White, followed by Two Or More and Hispanic.

The Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who classifies as impoverished. If a family's total income is less than the family's threshold than that family and every individual in it is considered to be living in poverty.