Harper County Property Taxes
Harper County, Oklahoma
Effective Tax Rate
0.00%
30.9% below state avgMedian Annual Tax
$0
$55/mo escrow
Estimate Your Tax
Annual Tax
$0
Monthly
$0
Eff. Rate
0.67%
At a Glance
Median Home Value
$99,300
State avg ▼ $142,268
Tax w/ Mortgage/yr
$834
$70/mo escrow
Tax w/o Mortgage/yr
$621
$52/mo
State Tax Rate Rank
#47
of 77 counties (1 = lowest)
Data Story
About Property Taxes in Harper County, Oklahoma
Harper's rate sits well below the nation
Harper County's effective tax rate of 0.668% remains substantially lower than national averages, with a median property tax of $663. This is less than a quarter of the national median tax of $2,690, ranking Harper among the nation's lowest-tax counties.
Slightly above Oklahoma's state average
Harper County's 0.668% rate edges above Oklahoma's 0.652% state average, though its median tax of $663 is below the state median of $959. The county maintains a modest tax burden relative to statewide comparisons.
Mid-range rate in this cluster
Harper's 0.668% rate ranks third among its peers, behind Grady (0.703%) and Harmon (0.698%), but above Garvin (0.566%), Grant (0.604%), and Greer (0.570%). The median home value of $99,300 keeps tax bills moderate.
Median tax bill reaches $663 annually
A median Harper County home valued at $99,300 carries an estimated annual property tax of $663—or $834 when mortgage taxes are included. That's approximately $55 per month in taxes for homeowners with typical properties.
Review your assessment for accuracy
Many Oklahoma homeowners discover their properties are overassessed after comparing assessments to recent sales prices. Harper County residents should verify their assessed value and consider filing an appeal if it appears inflated.
How Harper County Compares
Median Annual Property Tax
Harper County
0.67%
Effective rate
Oklahoma Avg
0.67%
Effective rate
National Avg
0.91%
Effective rate
Frequently Asked Questions
What is the property tax rate in Harper County, Oklahoma?
How much are property taxes in Harper County?
How does Harper County compare to the Oklahoma average?
What is the median home value in Harper County, Oklahoma?
Is Harper County a low property tax area in Oklahoma?
How does Harper County rank for property taxes in Oklahoma?
Counties with Similar Tax Rates
Nearby Counties
Other Counties in Oklahoma
Data updated: March 2026
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates. Effective tax rate is calculated as median property tax divided by median home value.