Total monthly cost of ownership
Cost to Own a Home in Duncan, Oklahoma
A $126,000 home here costs
$1,143per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $648. The real number is $495 higher every month — 76% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Duncan against Stephens County and Oklahoma
| Measure | Duncan | Stephens County |
|---|---|---|
| Median home value | $125,800 | $135,100 |
| Median property tax | $957 | $961 |
| Effective tax rate | 0.761% | 0.711% |
| Median gross rent | $872 | $865 |
| Population | 22,872 | 43,314 |
The weather behind that power bill
Duncan sits in Stephens County, which averages a high of 93.5°F in its hottest month and a low of 28.4°F in its coldest, with 37.14" of precipitation a year and 36% of it in a single three-month stretch. That climate drives 2,091 cooling and 3,203 heating degree days, which is what sets the $120 electricity line above.
See the full climate breakdown for Stephens County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in Stephens County
Full Stephens County cost breakdown · Every county in Oklahoma
Common questions
How much does it cost to own a home in Duncan?
A $126,000 home in Duncan, Oklahoma costs approximately $1,143 per month with 20% down at 6.66%. That is $648 principal and interest, $80 property tax, $122 homeowners insurance, $188 utilities and $105 set aside for maintenance.
What is the property tax rate in Duncan?
Duncan has an effective property tax rate of 0.761%, based on a median home value of $125,800 and median real estate taxes of $957. That is higher than the Stephens County average of 0.711%.
What is the average home price in Duncan?
The median owner-occupied home value in Duncan, Oklahoma is $125,800, against $135,100 across Stephens County.
Is it cheaper to rent or buy in Duncan?
Median gross rent in Duncan is $872 a month, against $1,143 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Duncan — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Oklahoma.
- Electricity price — EIA Electric Power Monthly Table 5.6.A.
- Mortgage rate — Freddie Mac PMMS, refreshed weekly.
- Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.