Cost to Own
United StatesOklahomaHarper CountyBuffalo Population 1,244 Data vintage ACS 2023 5-Year Rates updated 2026-07-30

Total monthly cost of ownership

Cost to Own a Home in Buffalo, Oklahoma

A $89,000 home here costs

$857

per month, all in — with 20% down at today's 6.66% 30-year fixed rate.

A standard mortgage calculator would have told you $458. The real number is $400 higher every month — 87% more than the payment most buyers budget for.

Buffalo median: $89,200
Under 20% adds PMI
Freddie Mac PMMS
US average household

Where every dollar goes

Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.

Principal & interest30-year fixed, $71,200 borrowed $458
Property tax0.686% effective rate for Buffalo itself $51
Homeowners insuranceOklahoma averages $2,155/yr (NAIC), or 1.163% of home value $86
Electricity13.38¢/kWh — Oklahoma residential average, EIA $120
Water, sewer & trashUS household average $68
Maintenance reserve1% of home value per year $74
Total monthly $857

Buffalo against Harper County and Oklahoma

MeasureBuffaloHarper County
Median home value$89,200$99,300
Median property tax$612$663
Effective tax rate0.686%0.668%
Median gross rent$693$791
Population1,2443,231

The weather behind that power bill

Buffalo sits in Harper County, which averages a high of 95.8°F in its hottest month and a low of 21.6°F in its coldest, with 22.13" of precipitation a year and 42% of it in a single three-month stretch. That climate drives 1,827 cooling and 4,372 heating degree days, which is what sets the $120 electricity line above.

See the full climate breakdown for Harper County — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.

Other cities in Harper County

Full Harper County cost breakdown · Every county in Oklahoma

Common questions

How much does it cost to own a home in Buffalo?

A $89,000 home in Buffalo, Oklahoma costs approximately $857 per month with 20% down at 6.66%. That is $458 principal and interest, $51 property tax, $86 homeowners insurance, $188 utilities and $74 set aside for maintenance.

What is the property tax rate in Buffalo?

Buffalo has an effective property tax rate of 0.686%, based on a median home value of $89,200 and median real estate taxes of $612. That is higher than the Harper County average of 0.668%.

What is the average home price in Buffalo?

The median owner-occupied home value in Buffalo, Oklahoma is $89,200, against $99,300 across Harper County.

Is it cheaper to rent or buy in Buffalo?

Median gross rent in Buffalo is $693 a month, against $857 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 Buffalo — 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.

Full methodology