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County tax profile · 2026 · Census ACS + IRS data

Property Tax & Income in McClain County, Oklahoma

McClain County has an effective property tax rate of 0.79%. On the median home value of $255,900, that's roughly $2,023 per year. Median household income is $84,552.

Effective Property Tax Rate1
0.79%
median tax $2,023 ÷ median home $255,900
Median Home Value1
$255,900
owner-occupied
Median Household Income1
$84,552
per-capita $40,394
Est. Annual Tax on Median Home1
$2,023
at 0.79% effective rate

What you'll pay, at a glance

Property taxes are the largest local tax most homeowners pay. The effective rate measures the real tax bill as a share of home value — a more useful number than the nominal “mill rate,” because assessment practices vary county to county.

MetricMcClain CountyOklahoma (state context)
Effective property tax rate10.79%0.63%
Median home value1$255,900—
State income tax3top rate 4.75%top rate 4.75%
State sales tax39.06% combined9.06% combined

How this is calculated

The effective property tax rate is the median real-estate tax bill divided by the median home value — both for owner-occupied homes, from the U.S. Census Bureau's American Community Survey (ACS 5-year estimates)1. Median income is also from the ACS1. Federal and state income-tax figures use IRS2 and Tax Foundation3 data.

About McClain County, OK

McClain County’s 0.791% effective property tax rate places it above Oklahoma’s statewide median of 0.627%, and the county ranks 11th out of 77 counties on that measure. Against the national median of 0.794%, however, the rate sits just barely below. The result is a county that taxes property more heavily than most of its Oklahoma peers but lands almost exactly at the middle of the national picture. A median home value of $255,900 generates an annual tax bill of about $2,023, set against a median household income of $84,552 and per-capita income of $40,394. Newcastle is the largest of the county’s principal communities, which also include Purcell and Dibble. The gap between state and national comparisons signals that McClain County’s tax environment is shaped as much by Oklahoma’s overall structure as by local choices.

Frequently asked questions

What is the property tax rate in McClain County, OK?
The effective rate is 0.79% — meaning the median tax bill equals about 0.79% of the median home value.
How much are property taxes on a median home?
On the median home ($255,900), the estimated annual bill is about $2,023.
Is McClain County's rate high or low?
Compare it to the state median of 0.63% and the national average near 1.1%.
How does the effective rate differ from my mill rate?
A mill rate is the nominal levy per $1,000 of assessed value. The effective rate reflects what you actually pay after exemptions and assessments — it's the median tax bill as a share of median home value, so it better predicts your real cost.
Will a reassessment raise my tax bill?
Not necessarily. If your home's assessed value rises, your bill can go up, but only if the mill rate and exemptions stay flat. Contact the McClain County assessor's office to review your current assessment.
Can I appeal my property tax assessment?
Yes. Most counties allow an appeal when you believe the assessed value exceeds the market value. File with the McClain County assessor within the local deadline, typically with comparable sales as evidence.
Sources
[1] U.S. Census Bureau — ACS 5-Year (2023) — Median home value (B25077), median real-estate taxes (B25103), median household income (B19013), per-capita income (B19301).
[2] IRS — Statistics of Income — County income, AGI, and real-estate taxes paid.
[3] Tax Foundation — State income, sales, corporate, and estate/inheritance tax rates.