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County tax profile · 2026 · Census ACS + IRS data

Property Tax & Income in Prairie County, Montana

Prairie County has an effective property tax rate of 0.84%. On the median home value of $165,700, that's roughly $1,391 per year. Median household income is $51,250.

Effective Property Tax Rate1
0.84%
median tax $1,391 ÷ median home $165,700
Median Home Value1
$165,700
owner-occupied
Median Household Income1
$51,250
per-capita $35,904
Est. Annual Tax on Median Home1
$1,391
at 0.84% 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.

MetricPrairie CountyMontana (state context)
Effective property tax rate10.84%0.68%
Median home value1$165,700—
State income tax3top rate 5.65%top rate 5.65%
State sales tax30.00% combined0.00% 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 Prairie County, MT

Prairie County’s effective property tax rate of 0.839% runs above Montana’s statewide median of 0.677%, placing it 16th among the state’s 56 counties. That gap signals landowners here pay a larger share of property value in taxes than many Montanans do. The county also edges past the national median of 0.794%. On a median home value of $165,700, the annual real-estate tax bill comes to about $1,391. With median household income at $51,250 and per-capita income of $35,904, that tax load sits against earnings that are not especially high, so the rate carries real weight in local budgets. For anyone weighing a move or a purchase here, the ranking and the dollar figure together show a county where property taxes take a somewhat heavier bite than in much of Montana or the country overall.

Frequently asked questions

What is the property tax rate in Prairie County, MT?
The effective rate is 0.84% — meaning the median tax bill equals about 0.84% of the median home value.
How much are property taxes on a median home?
On the median home ($165,700), the estimated annual bill is about $1,391.
Is Prairie County's rate high or low?
Compare it to the state median of 0.68% 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 Prairie 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 Prairie 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.