County directory · Official data joined by FIPS
Montana counties
Compare all 56 counties and county equivalents in Montana by income, housing, employment, education, health, and population.
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All Montana counties
Every row uses county-level ACS, LAUS, and County Health Rankings data. Standalone profiles still open only above the publication gate.
56 counties
Publication gate: population ≥ 100,000 or largest in state
| Rank | County | Population | Income | Home value | Unemployment | Degree+ | Life exp. | Profile |
|---|---|---|---|---|---|---|---|---|
| #1 | Yellowstone County | 168,957 | $76,570 | $349,500 | 2.8% | 34.1% | 75.9 yrs | Open |
| #2 | Gallatin County | 124,074 | $93,528 | $667,600 | 2.3% | 54.3% | 82 yrs | Open |
| #3 | Missoula County | 120,672 | $75,598 | $472,100 | 2.8% | 47.4% | 78.6 yrs | Open |
| #4 | Flathead County | 110,695 | $73,925 | $535,500 | 3.2% | 37.2% | 77.4 yrs | Open |
| #5 | Cascade County | 84,606 | $67,690 | $265,300 | 3% | 28.4% | 75.5 yrs | Data row |
| #6 | Lewis and Clark County | 73,464 | $78,237 | $393,500 | 2.7% | 43% | 78.3 yrs | Data row |
| #7 | Ravalli County | 46,727 | $71,283 | $476,600 | 3.3% | 28.7% | 78.9 yrs | Data row |
| #8 | Silver Bow County | 35,785 | $61,754 | $255,200 | 3.4% | 28% | 74.1 yrs | Data row |
| #9 | Lake County | 32,561 | $63,360 | $421,800 | 3.6% | 31.5% | 75.8 yrs | Data row |
| #10 | Lincoln County | 21,175 | $47,143 | $296,500 | 5.7% | 18.9% | 76.3 yrs | Data row |
| #11 | Park County | 17,710 | $70,047 | $467,500 | 2.8% | 39.8% | 78.1 yrs | Data row |
| #12 | Hill County | 16,155 | $52,798 | $202,600 | 2.6% | 24.4% | 72.9 yrs | Data row |
| #13 | Glacier County | 13,637 | $46,875 | $165,100 | 4.5% | 16.5% | 66.9 yrs | Data row |
| #14 | Sanders County | 13,285 | $57,476 | $359,000 | 5.7% | 21.5% | 75 yrs | Data row |
| #15 | Big Horn County | 12,891 | $58,750 | $143,400 | 4.4% | 17.8% | 64.6 yrs | Data row |
| #16 | Jefferson County | 12,774 | $95,490 | $446,900 | 2.8% | 32.2% | 76.3 yrs | Data row |
| #17 | Custer County | 11,961 | $70,605 | $219,100 | 2.5% | 27% | 76.2 yrs | Data row |
| #18 | Fergus County | 11,687 | $63,706 | $236,100 | 3.1% | 24% | 76.7 yrs | Data row |
| #19 | Richland County | 11,235 | $73,084 | $263,000 | 2.4% | 22% | 76.2 yrs | Data row |
| #20 | Carbon County | 11,116 | $80,261 | $420,800 | 2.9% | 34.6% | 80.4 yrs | Data row |
| #21 | Roosevelt County | 10,526 | $57,063 | $118,800 | 3.9% | 21.2% | 60.4 yrs | Data row |
| #22 | Beaverhead County | 9,713 | $61,268 | $308,300 | 2.7% | 37.7% | 79.1 yrs | Data row |
| #23 | Deer Lodge County | 9,597 | $57,527 | $231,700 | 3.3% | 24.1% | 75.2 yrs | Data row |
| #24 | Madison County | 9,223 | $75,250 | $470,100 | 4.6% | 32.6% | 80.3 yrs | Data row |
| #25 | Stillwater County | 9,182 | $84,732 | $405,800 | 2.8% | 32.3% | 77.5 yrs | Data row |
| #26 | Dawson County | 8,827 | $71,334 | $185,300 | 2.4% | 21.8% | 75.3 yrs | Data row |
| #27 | Rosebud County | 8,165 | $49,914 | $182,400 | 3.1% | 20.9% | 65.9 yrs | Data row |
| #28 | Broadwater County | 7,668 | $70,374 | $426,600 | 2.5% | 27.3% | 80.2 yrs | Data row |
| #29 | Valley County | 7,519 | $71,695 | $198,400 | 2.6% | 25.7% | 76.4 yrs | Data row |
| #30 | Powell County | 7,053 | $66,923 | $306,500 | 3.5% | 19.3% | 75.8 yrs | Data row |
| #31 | Blaine County | 6,949 | $64,813 | $155,500 | 3% | 23.9% | 70 yrs | Data row |
| #32 | Teton County | 6,353 | $70,430 | $264,000 | 2.6% | 26.8% | 77.7 yrs | Data row |
| #33 | Pondera County | 6,035 | $52,338 | $206,100 | 3.4% | 20.1% | 76.6 yrs | Data row |
| #34 | Chouteau County | 5,906 | $58,218 | $207,800 | 2.4% | 23% | 75.9 yrs | Data row |
| #35 | Musselshell County | 5,152 | $58,920 | $235,000 | 4.1% | 22.4% | 76.1 yrs | Data row |
| #36 | Toole County | 5,061 | $57,731 | $218,400 | 2.5% | 22.5% | 74.3 yrs | Data row |
| #37 | Mineral County | 4,959 | $63,450 | $364,300 | 4.9% | 26.1% | 77.4 yrs | Data row |
| #38 | Phillips County | 4,221 | $53,417 | $197,600 | 3.4% | 25.4% | 75 yrs | Data row |
| #39 | Sweet Grass County | 3,720 | $77,000 | $330,100 | 2.2% | 24.4% | 80.3 yrs | Data row |
| #40 | Sheridan County | 3,669 | $70,147 | $124,000 | 2.6% | 26.2% | 76.6 yrs | Data row |
| #41 | Granite County | 3,462 | $59,265 | $352,700 | 5.2% | 34.2% | 79.9 yrs | Data row |
| #42 | Fallon County | 2,760 | $76,250 | $244,800 | 1.7% | 16.2% | 76.8 yrs | Data row |
| #43 | Judith Basin County | 2,071 | $59,000 | $238,300 | 2.9% | 31% | 82 yrs | Data row |
| #44 | Wheatland County | 2,056 | $49,489 | $180,800 | 3.9% | 23.2% | 75.3 yrs | Data row |
| #45 | Meagher County | 2,007 | $71,932 | $259,800 | 2.5% | 30% | 80.8 yrs | Data row |
| #46 | Liberty County | 1,952 | $57,857 | $169,100 | 2.1% | 27.8% | 84.7 yrs | Data row |
| #47 | Powder River County | 1,815 | $67,045 | $192,100 | 2.1% | 26.1% | 77.5 yrs | Data row |
| #48 | McCone County | 1,670 | $69,375 | $211,600 | 2.4% | 23.3% | 83.5 yrs | Data row |
| #49 | Daniels County | 1,494 | $55,625 | $184,800 | 2.1% | 24.2% | — | Data row |
| #50 | Carter County | 1,308 | $54,167 | $199,200 | 2.3% | 20.7% | — | Data row |
| #51 | Prairie County | 1,250 | $51,250 | $165,700 | 1.8% | 26.9% | — | Data row |
| #52 | Wibaux County | 1,193 | $67,462 | $98,600 | 3.2% | 22.5% | — | Data row |
| #53 | Garfield County | 1,094 | $69,583 | $169,900 | 3.3% | 21% | — | Data row |
| #54 | Golden Valley County | 899 | $58,333 | $212,200 | 3.3% | 20.9% | — | Data row |
| #55 | Treasure County | 732 | $67,917 | $230,300 | 2.4% | 37.5% | — | Data row |
| #56 | Petroleum County | 447 | $60,208 | $201,400 | 3.7% | 30.8% | — | Data row |
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County data policy
Depth without index bloat
Every county stays available in this directory, but a standalone profile is published only when population is at least 100,000 or the county is the largest in its state. This keeps smaller counties comparable without producing thousands of thin pages.
Five-digit FIPS—not the county name—is the join key. ACS supplies income, housing, population, and education; BLS LAUS supplies annual employment; County Health Rankings supplies health outcomes and access.