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County tax profile · 2026 · Census ACS + IRS data

Property Tax & Income in Osage County, Kansas

Osage County has an effective property tax rate of 1.49%. On the median home value of $156,800, that's roughly $2,343 per year. Median household income is $74,467.

Effective Property Tax Rate1
1.49%
median tax $2,343 ÷ median home $156,800
Median Home Value1
$156,800
owner-occupied
Median Household Income1
$74,467
per-capita $35,313
Est. Annual Tax on Median Home1
$2,343
at 1.49% 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.

MetricOsage CountyKansas (state context)
Effective property tax rate11.49%1.51%
Median home value1$156,800—
State income tax3top rate 5.58%top rate 5.58%
State sales tax38.71% combined8.71% 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 Osage County, KS

Osage County's effective property tax rate of 1.494% sits just under Kansas's statewide median of 1.506%, placing it 55th among the state's 105 counties — almost exactly the midpoint. That statewide figure is roughly double the national median of 0.794%, so property taxes here run well above what most American homeowners pay. The median home in the county, valued at $156,800, carries an annual tax bill of about $2,343. With median household income at $74,467 and per-capita income of $35,313, that bill amounts to a little over three percent of a typical household's yearly earnings. Communities like Carbondale, Lyndon, and Melvern anchor this largely rural county, where the tax rate lands near the state average but far above the national one.

Frequently asked questions

What is the property tax rate in Osage County, KS?
The effective rate is 1.49% — meaning the median tax bill equals about 1.49% of the median home value.
How much are property taxes on a median home?
On the median home ($156,800), the estimated annual bill is about $2,343.
Is Osage County's rate high or low?
Compare it to the state median of 1.51% 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 Osage 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 Osage 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.