Duncan, OK
Duncan, OK real estate market: appreciation, rent growth, cap rate, IRR, and property taxes.
Appreciation
: 3.2%/yr.
Rent growth
: 3.1%/yr.
Median cap rate
: 4.0%.
Median IRR
: 4.7%.
Median rental home value
: $65,750.
Median rental rate
: $895/mo.
Median property tax
: $990/yr.
Sources: FHFA House Price Index®, U.S. Census Bureau ACS 5-year estimates, and Rescover analysis of public single-family listings, updated September 2026.
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ZIP codes in Duncan, OK
Rental market data for every ZIP code in this micro area.