City profile · Town

Duncan, Oklahoma

Verified Oct 11, 2026

Who leads Duncan, with the evidence behind the record.

City leadership

Leader: Robert Armstrong
Role: Mayor
Population: 22,505; Census Bureau estimate
Last verified: Oct 11, 2026; Matched the official page in an automated check
Last checked: Oct 11, 2026; The check matched the published record

Source & verification

Verification source
duncanok.gov/440/Mayors-Transparency-Portal ↗
Official leadership page
duncanok.gov/440/Mayors-Transparency-Portal ↗
City website
duncanok.gov ↗

“Last checked” is when we last looked at the source. “Last verified” is when the record was last confirmed. A page we couldn't read never counts as a verification.

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Record history

Published records only. Possible changes still under review are not shown here.

Leaders on record

Robert Armstrong Current
Mayor · added Aug 1, 2026 · verified Oct 11, 2026
Dean Miller Former
Mayor (Ceremonial) · added May 4, 2026

Reviewed changes

No reviewer-published changes yet.

Demographics

Census Bureau data for the city

Population: 22,505
Median household income: $55,162
Median age: 39.7
Land area: 42.94 sq mi
Population density: 524.1 per sq mi
County: Stephens County

City government

Budget and contact

Annual budget: ~$79M
City hall phone: (580) 252-0250
Official website: duncanok.gov ↗

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