Effective property tax rates for all 56 Montana counties — median real estate taxes paid ÷ median home value, from U.S. Census ACS data — ranked highest to lowest. Blaine County has the highest rate at 1.52%; Madison County has the lowest at 0.41%.
Data as of July 2026.
| Rank | County | Effective rate | Median annual bill | Median home value |
|---|---|---|---|---|
| 1 | Blaine County | 1.52% | $1,901 | $124,900 |
| 2 | Sheridan County | 1.29% | $1,436 | $111,600 |
| 3 | Roosevelt County | 1.29% | $1,535 | $119,400 |
| 4 | Dawson County | 1.17% | $2,199 | $187,400 |
| 5 | Valley County | 1.10% | $2,185 | $198,600 |
| 6 | Custer County | 1.10% | $2,242 | $204,200 |
| 7 | Hill County | 1.08% | $2,026 | $187,600 |
| 8 | Silver Bow County | 1.05% | $2,357 | $223,500 |
| 9 | Liberty County | 1.03% | $1,204 | $116,800 |
| 10 | Big Horn County | 1.00% | $1,482 | $148,200 |
| 11 | Toole County | 0.96% | $1,805 | $187,400 |
| 12 | Cascade County | 0.92% | $2,236 | $243,300 |
| 13 | Missoula County | 0.91% | $3,833 | $423,100 |
| 14 | Pondera County | 0.88% | $1,584 | $179,200 |
| 15 | Daniels County | 0.86% | $1,533 | $177,800 |
| 16 | Prairie County | 0.85% | $1,428 | $167,100 |
| 17 | Phillips County | 0.85% | $1,484 | $175,000 |
| 18 | Fergus County | 0.84% | $1,709 | $202,700 |
| 19 | Yellowstone County | 0.84% | $2,669 | $317,600 |
| 20 | Powder River County | 0.83% | $1,237 | $149,400 |
| 21 | Teton County | 0.82% | $1,929 | $235,500 |
| 22 | Deer Lodge County | 0.81% | $1,706 | $209,700 |
| 23 | Glacier County | 0.81% | $1,246 | $153,400 |
| 24 | Lewis and Clark County | 0.81% | $2,886 | $358,200 |
| 25 | Chouteau County | 0.78% | $1,446 | $185,100 |
| 26 | Richland County | 0.75% | $1,935 | $259,000 |
| 27 | Petroleum County | 0.73% | $1,261 | $173,700 |
| 28 | Wibaux County | 0.71% | $654 | $92,300 |
| 29 | Powell County | 0.71% | $1,809 | $255,700 |
| 30 | Meagher County | 0.70% | $1,705 | $244,400 |
| 31 | McCone County | 0.67% | $1,330 | $197,400 |
| 32 | Beaverhead County | 0.67% | $1,876 | $282,000 |
| 33 | Lake County | 0.66% | $2,436 | $369,200 |
| 34 | Garfield County | 0.66% | $1,169 | $178,300 |
| 35 | Wheatland County | 0.65% | $1,122 | $172,700 |
| 36 | Rosebud County | 0.63% | $1,191 | $188,900 |
| 37 | Musselshell County | 0.63% | $1,383 | $221,200 |
| 38 | Treasure County | 0.62% | $1,326 | $215,300 |
| 39 | Flathead County | 0.61% | $2,867 | $467,700 |
| 40 | Granite County | 0.61% | $2,061 | $339,500 |
| 41 | Broadwater County | 0.61% | $2,210 | $364,800 |
| 42 | Gallatin County | 0.60% | $3,625 | $604,900 |
| 43 | Stillwater County | 0.60% | $2,131 | $355,600 |
| 44 | Lincoln County | 0.58% | $1,499 | $258,700 |
| 45 | Fallon County | 0.57% | $1,359 | $237,000 |
| 46 | Park County | 0.57% | $2,454 | $429,700 |
| 47 | Jefferson County | 0.56% | $2,274 | $408,000 |
| 48 | Mineral County | 0.55% | $1,728 | $313,600 |
| 49 | Sanders County | 0.55% | $1,777 | $323,800 |
| 50 | Carbon County | 0.55% | $2,080 | $379,300 |
| 51 | Ravalli County | 0.53% | $2,303 | $435,000 |
| 52 | Golden Valley County | 0.51% | $1,038 | $203,900 |
| 53 | Sweet Grass County | 0.49% | $1,452 | $295,500 |
| 54 | Judith Basin County | 0.45% | $971 | $214,200 |
| 55 | Carter County | 0.44% | $782 | $176,600 |
| 56 | Madison County | 0.41% | $1,800 | $440,500 |
Rates are estimates derived from Census ACS 5-year data, not your actual bill — see the methodology for how they're calculated. A “≥” rate means the county sits at the ACS top-code ceiling, so the real rate may be higher.
Informational only — not legal or tax advice. Exemption rules and amounts are summarized from official statutes and state tax-agency sources as of each program's verified date and can change by legislative session. Dollar figures are estimates derived from Census ACS county tax data, not actual bills. Confirm your eligibility and current amounts with your county assessor before relying on anything here.