Carbon County, Montana property tax
The median homeowner in Carbon County, Montana pays $2,080 a year in property tax on a home worth $379,300, an effective rate of 0.55%. The national effective rate is 0.98%.
What the rate means here
At 0.55%, Carbon County taxes property more lightly than the national 0.98%. A low rate on an expensive house is not the bargain it looks like. The median bill is still $2,080, because 0.55% of $379,300 is not a small number.
Inside Montana it is among the lightest, ranking #34 of 36, against a statewide 0.75%. Blaine County, in the same state, charges 1.52%. Comparing states on property tax hides differences like that, which is why this site publishes counties.
The median home costs 5.34 times the median household income of $71,017, against 3.86 nationally, so housing absorbs an unusually large share of what people here earn. Renters pay 14.9% of median income in gross rent. This is a small rural county of 10,877 people. Five-year survey estimates for places this size carry wide margins of error, so treat the figures as approximate.
The rate is derived rather than quoted. How and why.
What that costs at different home values
Arithmetic at the county effective rate, before any exemption or assessment cap.
Housing and income
| Carbon County | Montana | United States | |
|---|---|---|---|
| Effective property tax | 0.55% | 0.75% | 0.98% |
| Median tax bill | $2,080 | $2,535 | $2,969 |
| Median home value | $379,300 | $338,100 | $303,400 |
| Median gross rent | $882 | $1,031 | $1,348 |
| Median household income | $71,017 | $69,922 | $78,538 |
| Home price to income | 5.34× | 4.84× | 3.86× |
| Rent as share of income | 14.9% | 17.69% | 20.6% |
| Owner-occupied | 74.07% | 69.42% | 65.02% |
Source: U.S. Census Bureau, American Community Survey 2023 five-year estimates. Population 10,877.
Nearby counties of similar size
| County | Rate | Median bill | Home value |
|---|---|---|---|
| Roosevelt County | 1.29% | $1,535 | $119,400 |
| Richland County | 0.75% | $1,935 | $259,000 |
| Fergus County | 0.84% | $1,709 | $202,700 |
| Custer County | 1.10% | $2,242 | $204,200 |
| Beaverhead County | 0.67% | $1,876 | $282,000 |
Carbon County property tax: common questions
What is the property tax rate in Carbon County, Montana?
The effective rate is 0.55% of home value, from a median tax bill of $2,080 against a median home value of $379,300. That is 0.43 points below the national 0.98%.
How much is property tax on a $400,000 home in Carbon County?
Roughly $2,200 a year at the county effective rate of 0.55%.
Is Carbon County expensive compared with the rest of Montana?
It ranks #34 of 36 Montana counties by effective property tax rate, and #2265 of 2,826 nationally. That is 0.2 points below the Montana average of 0.75%.
What does housing cost in Carbon County?
The median home is worth $379,300 and median gross rent is $882 a month. Median household income is $71,017, which puts the home at 5.34 times annual income and rent at 14.9% of it.