Introduction to Duncan, Oklahoma

Duncan, Oklahoma, in Stephens county, is 25 miles E of Lawton, Oklahoma and 71 miles S of Oklahoma City, Oklahoma. The city has a population of 22,505.

Duncan History

Duncan was originally a small trading post. Native American were the first to inhabit the area. William Duncan, after whom the city is named, was the first permanent settler in the area. The Chicago, Rock Island and Pacific Railroad first arrived on June 27, 1892. Duncan became the county seat of Stephens County in the early 1900s.

Duncan and nearby Attractions

  • McCasland Shopping Center
  • Chisholm Trail Heritage Center and Museum
  • Clear Creek Lake
  • Stephens County Museum
  • Prairie House Historic Site
  • Shadyoaks Lakeview Park

Things To Do In Duncan

The Chisholm Trail Heritage Center and Museum commemorates the history and heritage of the area. It also includes a Campfire Theatre. The Stephens County Museum may prove interesting to those hoping to learn more about the region’s history. The city also has several parks and recreational spots, including Wisenant Park, Mighty Mite Park, Hillcrest Park, Fuqua Park and Rotary Park. Local celebrations include the Autumn Festival, the Stephens County Free Fair, the Fall Bluegrass Festival, Summerfest, Founder's Day and the Spring Bluegrass Festival.

Duncan Transportation

Lawton-Fort Sill Regional Airport provides facilities for air transportation.

Duncan Higher Education

Cameron University, Midwestern State University and the University of Oklahoma provide higher education to the residents of Duncan.


Total Population 23,317
Male Share of the Population 48%
Female Share of the Population 52%
Senior Citizens 17.9%
Employed Population 16+ 9,489
Age of the Population 38


% of people married 52%
Average household size 2

Education and Earnings

Population % with Bachelor Degree or Higher 18.7%
Median Earnings25+ $26,701
Median Earnings Without High School Qualification $21,045
Median Earnings With High School Degree $24,981


Median Family Income $52,958
% Above Poverty Level 82.2%
% Below Poverty Level 17.8%

Commute & Sprawl

Average Commute Time 18 minutes
% Working from Home 1.8%
% Walking and Biking to Work 2.3%
% Using Public Transportation 0.7%


People Living Alone 32.6%
Median Gross Rent $673
Median House Value $95,600


Other(often includes Hispanic and African American) 40.3%
US/American 0%
English 6.9%
Irish 11.8%

Source: American Community Survey, U.S. Census Bureau, 2015, www.census.gov/programs-surveys/acs/.

Duncan Almanac

Category Value
Nearest Medium City 25 miles E of Lawton, Oklahoma (center to center)
Nearest Large City 71 miles S of Oklahoma City, Oklahoma
County Stephens
Standard Zip Codes 73533
P.O. Box Zip Codes 73534
Company Zip Codes 73536
Phone Area Codes 580
Time Zone Central (-6 hours from GMT)
Daylight Savings The city observes Daylight Saving Time.
Latitude 34.502
Longitude -97.957

Duncan Climate

Nearest Weather Stations


  • Temp ranges are avg daily min and max for the month
  • Precipitation is rainfall (and rainfall equiv of snowfall)

Station DUNCAN
Distance 0.5 miles
Jan Temp 27 to 50 F
Apr Temp 49 to 73 F
Jul Temp 71 to 94 F
Oct Temp 51 to 75 F
Annual Precip 36.4 inches
Station LINDSAY 2 W
Distance 27.9 miles
Jan Temp 24 to 49 F
Apr Temp 47 to 73 F
Jul Temp 70 to 94 F
Oct Temp 49 to 76 F
Annual Precip 35.1 inches
Station LAWTON
Distance 29.2 miles
Jan Temp 26 to 50 F
Apr Temp 49 to 73 F
Jul Temp 73 to 96 F
Oct Temp 52 to 76 F
Annual Precip 31.6 inches

Nearby Cities and Towns

Location Population Median Family Income
Addington 101 $62,500
Comanche 1,590 $40,592
Loco 118 $38,750
Marlow 4,632 $42,357
Rush Springs 1,312 $42,273
Velma 697 $73,500

Source: American Community Survey, U.S. Census Bureau, 2015, www.census.gov/programs-surveys/acs/.

Duncan Public Libraries

Duncan Public Library
815 ASH
Duncan, Oklahoma
(580) 255-0636
Library Web Site

library logo

More Information for Librarians

Duncan Hospitals

(580) 252-5300
Emergency Service: No

These schools offer particularly quick info upon request, and we have written detailed profiles for each (click school names to see the profiles). Request info from multiple schools, by clicking the Request Info links.
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Duncan High Schools

(Sorted by Number of Students)

Serves 1,069 students.
Student/teacher ratio: 21.4

Serves 167 students.
Student/teacher ratio: 26.9

Duncan Colleges

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