Duncan, Oklahoma
Duncan is a city in Stephens County, Oklahoma, with an estimated population of 23,170 in 2023. It sits at 34.4816, -97.9605 in the America/Chicago time zone.
| Field | Value |
|---|---|
| Place name | Duncan |
| Type | city |
| State | Oklahoma (OK) |
| County | Stephens County |
| Population (2023 est.) | 23,170 |
| Land area | 42.94 sq mi (111.21 km²) |
| Coordinates | 34.4816, -97.9605 |
| Time zone | America/Chicago |
| ZIP codes | 73533, 73534, 73536 |
| Telephone area codes | 580 |
ZIP codes and area codes for Duncan
Duncan covers 3 ZIP codes: 73533, 73534, 73536. Telephone area codes serving the area: 580. Browse all ZIP codes in Oklahoma for the full list.
Where is Duncan?
Duncan is located in Oklahoma, in Stephens County. The coordinates above can be pasted directly into any map service. The nearest indexed places are listed below, which is a useful check when two states share a place name.
Nearby places
Empire City 9 km · OKComanche 13 km · OKMarlow 17 km · OKCentral High 19 km · OKBray 19 km · OKVelma 27 km · OKRush Springs 33 km · OKWaurika 34 km · OK
Other places in Stephens County
Frequently asked questions
What county is Duncan, OK in?
Duncan is in Stephens County, Oklahoma.
What is the population of Duncan, OK?
The 2023 Census Bureau estimate is 23,170.
What time zone is Duncan in?
Duncan is in the America/Chicago time zone.