Census ACS · #682 μSA
Duncan Metro Area
The Duncan, Ok Micropolitan Statistical Area has 43,314 residents. The median household income is $60,236 and the median home value is $135,100.
43,314
Population
50
People / sq mi
$60,236
Median Income
$135,100
Median Home Value
The Duncan CBSA covers 870 sq mi of land at 49.8 people per square mile.
Race & Ethnicity
| White | 80.6% |
| Black or African American | 1.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 9.7% |
Economy & Income
$60,236
Median Household Income
$34,244
Per Capita Income
11.4%
Poverty Rate
2.9%
Unemployment
Housing
$135,100
Median Home Value
$865
Median Rent
74.5%
Homeownership
Education
88.3%
High School+
19.5%
Bachelor's+
Commute
0.1%
Drive Alone
4.8%
Work From Home
23.2 min
Avg Commute
30.5%
Foreign Born
Duncan spans this state
Nearby metros
Largest cities in Oklahoma
Largest counties in Oklahoma
Part of Oklahoma
Other metros
Metro areas in Oklahoma
Metro rankings
Frequently Asked Questions
The Duncan, Ok Micropolitan Statistical Area has a population of 43,314 according to Census ACS 5-Year estimates, making it the #682 largest CBSA in the US.
The median household income in the Duncan metro area is $60,236, with a per capita income of $34,244.
The Duncan, Ok CBSA spans the state of Oklahoma.
More from Oklahoma
Data for the Duncan, Ok CBSA (20340) from the American Community Survey 5-Year estimates. Core-Based Statistical Areas combine cities, suburbs, and surrounding counties tied together by commuting patterns.
this entity is one of the data points covered by this site’s U.S. population demographics dataset. The detail above comes directly from the U.S. Census Bureau ACS and decennial files; the context that follows situates the headline numbers against the broader distribution across U.S. states, metros, cities, and ZIPs.
The methodology behind every numeric value on this page is publicly documented on the the U.S. Census Bureau ACS and decennial files portal and described in detail on this site’s methodology page. Refresh cadence varies by underlying series; the page surfaces the as-of date for each number so readers can trace any figure back to the source release.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. states, metros, cities, and ZIPs. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: U.S. Census Bureau ACS, 2026.