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.
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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.
Housing cost is the defining feature of Duncan: the median home is valued at $135,100. Duncan is a metro area in OK with a population of 43,314.
Household earnings are middling, with a median of $60,236 — below the US median of $78,538. Roughly 11.4% of residents fall below the poverty line, below the national 12.4%. Housing is relatively affordable, with a median home value of $135,100, with typical rent around $865.
Degree attainment is on the lower side for US metro areas: 19.5% of adults hold a bachelor’s degree, below the national 35.0%.
Source: U.S. Census Bureau ACS, 2026.