Yellowstone County, MT property taxes

Effective rate 0.810% · #1555 of 3,135 U.S. counties (1 = highest) · median home value $349,500 · U.S. Census ACS 2020–2024 5-year

In Yellowstone County, Montana, the median owner-occupied home pays $2,832 ± $61 a year in real-estate taxes (U.S. Census Bureau, ACS 2020-2024 5-year estimates). Against a median home value of $349,500, that is an effective property-tax rate of 0.810% — a ratio of two independently-estimated medians, not a statutory (millage) rate. Yellowstone County ranks #1555 of 3,135 U.S. counties and #17 in Montana by effective rate (1 = highest). That is about 3.7% of the county's median household income. Enter any home value in the estimator to see the median-based annual tax; it is an estimate, not a bill, and cannot account for exemptions, special districts, or assessment caps.

Key figures Yellowstone County, Montana · ACS 2020–2024 5-year
Effective property-tax rate
0.810%

Median real-estate taxes ÷ median home value — a ratio of two independently-estimated medians, not a statutory (millage) rate. Your own bill depends on your assessed value, local levies, and exemptions.

Median taxes — all owner-occupied
$2,832 ± $61
With a mortgage
$2,867 ± $77
Without a mortgage
$2,769 ± $119
Median home value
$349,500
Median household income
$76,570
Taxes as share of income
3.7%

Estimate the property tax on a Yellowstone County home

Yellowstone County property-tax estimator

Estimated annual property tax: $2,835

Yellowstone County, MT effective rate 0.810% × home value $350,000

A median-based estimate, not a bill: home value × the county effective rate. It cannot know your exemptions, assessment ratio, special districts, or homestead caps.

Estimated annual tax at Yellowstone County's 0.810% effective rate, by home value. A median-based estimate, not a bill.
Home value Estimated annual tax
$150,000 $1,215
$250,000 $2,025
$350,000 $2,835
$500,000 $4,050
$750,000 $6,075
$1,000,000 $8,100
Important — an estimate, not a tax bill

Every figure here is a median-based estimate from U.S. Census survey data — not a quote, an assessment, or a tax bill. It cannot know your property's assessed value, exemptions (homestead, senior, veteran), assessment ratios, special districts, or homestead caps, so your actual bill can differ substantially. Verify anything that matters with your local assessor.

Nearby counties

The six nearest county-equivalents to Yellowstone County by centroid distance (great-circle), for comparison — labelled nearby, not bordering, because distance is what we compute. Cross-state neighbours are included and marked. Counties we publish in depth are linked.

Nearby counties by centroid distance, with each county's own effective rate and median taxes paid.
County Effective rate Median tax Distance
Musselshell County, MT 0.548% $1,287 64 km
Big Horn County, MT 1.098% $1,574 83 km
Treasure County, MT 0.592% $1,364 84 km
Golden Valley County, MT 0.533% $1,132 85 km
Stillwater County, MT 0.571% $2,319 91 km
Carbon County, MT 0.542% $2,281 99 km

Data: U.S. Census Bureau, American Community Survey (ACS) 2020-2024 5-year estimates — tables B25103 (real-estate taxes), B25077 (home value), B19013 (household income) — and the 2024 Census county gazetteer. Public domain (Title 17 U.S.C. §105).

Official sources for Yellowstone County

Property tax in the U.S. is assessed and collected locally, not by the state. For your exact assessed value, exemptions, rates, and payment, use your county's tax assessor-collector or appraisal district — search "Yellowstone County Montana assessor" or your county's official .gov site.

Only the state authority link is provided, and it is hand-verified. We do not publish per-county assessor URLs because no verified nationwide source exists — and we do not guess them.

Five-year trend

Yellowstone County five-year change: ACS 2015–2019 vs 2020–2024 medians (non-overlapping periods), each with its 90% margin of error. Statistical significance of the changes is stated below the table.
Measure 2015–2019 2020–2024 Change
Median real-estate taxes $2,117 ± $41 $2,832 ± $61 +33.8%
Median home value $226,000 ± $2,250 $349,500 ± $5,510 +54.6%
Effective tax rate 0.937% 0.810% −0.126 pp

Median real-estate taxes rose 33.8% over five years ($2,117 → $2,832) — a statistically significant increase at 90% confidence. The effective tax rate fell 0.126 percentage points (0.937% → 0.810%), a change that is itself statistically significant at 90% confidence.

Comparing the non-overlapping Census periods 2015-2019 and 2020-2024 — consecutive 5-year estimates share survey sample and are never compared here.

Frequently asked questions

What is the property tax rate in Yellowstone County, MT?
The effective property-tax rate in Yellowstone County, Montana is 0.810% — the median real-estate taxes paid ($2,832 ± $61) divided by the median home value ($349,500) from the U.S. Census Bureau's ACS 2020-2024 5-year estimates. This is a ratio of two independently-estimated medians, not a statutory (millage) rate; your own bill depends on your assessed value, local levies, and any exemptions.
How much are property taxes in Yellowstone County?
The median owner-occupied household in Yellowstone County, Montana pays $2,832 ± $61 per year. Homes with a mortgage pay a median of $2,867 ± $77, and homes without a mortgage $2,769 ± $119 — the difference largely reflects owner age and home value, not a different tax rate.
How does Yellowstone County compare to other counties?
By effective tax rate, Yellowstone County ranks #1555 of the 3,135 U.S. counties with complete data (1 = highest) and #17 within Montana. For context, the national median effective rate is about 0.94% and Montana's statewide figure is on the state page.
What would property tax be on a $350,000 home in Yellowstone County?
At Yellowstone County's effective rate of 0.810%, a $350,000 home would owe roughly $2,835 a year. This is a median-based estimate for comparison, not a quote or an assessment — it cannot know your exemptions, assessment ratio, or special districts.
Are property taxes high relative to income in Yellowstone County?
Median real-estate taxes in Yellowstone County, Montana are about 3.7% of the county's median household income ($76,570). This income share is a rough affordability gauge; it does not account for exemptions that lower taxes for seniors, veterans, or owner-occupants.
Have property taxes gone up in Yellowstone County?
Median real-estate taxes rose 33.8% over five years ($2,117 → $2,832) — a statistically significant increase at 90% confidence. The effective tax rate fell 0.126 percentage points (0.937% → 0.810%), a change that is itself statistically significant at 90% confidence. This compares the non-overlapping Census periods 2015-2019 and 2020-2024; overlapping 5-year estimates share survey sample and are never compared.

How these figures are computed

All figures are U.S. Census Bureau American Community Survey (ACS) 2020–2024 5-year estimates: median real-estate taxes paid (table B25103), median owner-occupied home value (B25077), and median household income (B19013). The effective tax rate is median taxes ÷ median home value — a ratio of two independently-estimated medians, not a statutory (millage) rate. Margins of error are the Census 90%-confidence figures. Nearby counties are the six nearest by 2024-gazetteer centroid. Full detail and sources are on the methodology page.

For statewide context, Montana's median effective rate is 0.717% (national rank #32 of 51). See all Montana counties.