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Fiber market lookup

Where fiber is being built in Montana

As of Dec 31, 2025, FCC filings show fiber at 40.7% of Montana's 616,912 homes, and the number of fiber homes grew 10.7% from June 30, 2025.

Fiber was filed in 146 of 168 Montana cities and towns with 250 or more homes. In 73 of them it reached more than half of homes, and in the typical one it reached 50.9%.

Nationally, fiber was filed at 55.8% of homes. FCC Broadband Data Collection, residential units, 25/3 Mbps or faster. Filed by the providers themselves. How this is computed

Every county

Montana counties

Pick a county for its full set of measures, grants and providers. Shares are of residential units, FCC filing as of Dec 31, 2025; growth is from June 30, 2025.

CountyHomesFiber shareCable, no fiberFiber home growth
Beaverhead County5,91129.5%at least 42.9%+0.9%
Big Horn County6,04158%at least 3.5%-14.3%
Blaine County3,61996.3%none filed-20.1%
Broadwater County3,77211.7%at least 20.7%+6.5 points (small June base)
Carbon County7,61315%at least 28.5%+90.2%
Carter County1,01576.7%none filed+25.9%
Cascade County44,59735.6%at least 49%+26.4%
Chouteau County3,71494.5%none filed-10.1%
Custer County6,8516.6%at least 67.5%+0.2%
Daniels County1,39294.6%none filed-1.9%
Dawson County5,32921.7%at least 61%+1.8%
Deer Lodge County6,02018.9%at least 64.8%-1.3%
Fallon County2,02592.1%none filed+3.5%
Fergus County7,70032.1%at least 40.8%-3.4%
Flathead County60,35426.3%at least 47.8%+27.4%
Gallatin County68,32162.3%at least 20.5%-0.3%
Garfield County95444.7%none filedno data
Glacier County6,70823.6%at least 32.5%+79.5%
Golden Valley County62787.6%none filedno data
Granite County3,18881.5%none filed+22.7%
Hill County8,59736.8%at least 52.5%-15.3%
Jefferson County6,21518%at least 29.2%+53.1%
Judith Basin County1,76991.5%none filed-1.4%
Lake County18,98532.3%at least 32%-4.5%
Lewis and Clark County39,04330.7%at least 52.7%+47.6%
Liberty County1,18593.2%none filed-2.8%
Lincoln County13,20365.9%at least 9.9%+1.7%
Madison County7,40591.2%none filed-1.6%
McCone County1,45565.5%none filed+6.8%
Meagher County1,70187.2%none filed-2.8%
Mineral County2,7020.6%none filedno change (small June base)
Missoula County64,64231.8%at least 53%+44.7%
Musselshell County3,26492.8%none filed-4.8%
Park County11,1431.5%at least 45.1%+0.4 points (small June base)
Petroleum County41257.5%none filedno data
Phillips County2,95479.2%none filed-2.6%
Pondera County3,41970.8%none filed-2.8%
Powder River County1,20350.4%none filed-3.7%
Powell County3,6846.9%at least 43.4%+2.3 points (small June base)
Prairie County86690.9%none filedno data
Ravalli County24,04436.3%at least 29.9%+57.6%
Richland County6,84736%at least 49.4%-2.2%
Roosevelt County5,05272.3%none filed-11.7%
Rosebud County4,42853.4%none filed-1.5%
Sanders County7,82775%none filed-4.5%
Sheridan County2,59883.1%none filed-0.4%
Silver Bow County19,53737.9%at least 50.3%+39.6%
Stillwater County5,38726.1%at least 24.9%+8.7%
Sweet Grass County2,36197.2%none filed-3.8%
Teton County3,74092.7%none filed-5.3%
Toole County3,10130.3%none filed+0.1%
Treasure County49116.9%none filedno data
Valley County5,30256.4%none filed+5.7%
Wheatland County1,46595.1%none filed-4.1%
Wibaux County67996.2%none filedno data
Yellowstone County84,45534.6%at least 52%+13.7%
Largest cities and towns

The 30 largest places in Montana

By number of homes. Search above for any of the other 462 cities and towns.

City or townHomesFiber shareCable, no fiberFiber home growth
Billings59,69040.7%at least 54.5%+12.2%
Missoula40,23140.7%at least 57.4%+40.5%
Great Falls30,92535%at least 59.5%+47.5%
Bozeman29,11461.1%at least 35.3%+0.6%
Butte-Silver Bow (balance)19,10238.8%at least 49.3%+39.6%
Helena18,65926.8%at least 66.5%+69%
Kalispell13,69046%at least 50%+5.9%
Whitefish6,33620.4%at least 75.9%+3.4%
Belgrade6,24998.1%at least 0.9%-0.4%
Anaconda-Deer Lodge County6,02018.9%at least 64.8%-1.3%
Livingston4,7740.6%at least 90.2%+0.6 points (small June base)
Havre4,69513.5%at least 84.6%+0.8%
Miles City4,4941%at least 83.9%no change (small June base)
Evergreen4,22824.2%at least 69.5%+19.3 points (small June base)
Bigfork4,0956.6%at least 63.2%+4.2%
Four Corners4,020100%none filed-4.8%
Helena Valley Southeast3,94613.4%at least 82.6%+11.9%
Helena Valley West Central3,70044.9%at least 50.5%+48.9%
Sidney3,6048.9%at least 77.7%+1.9%
Laurel3,58515.4%at least 83.7%+33.4%
Big Sky3,54082.3%none filed-3.2%
Lewistown3,4933%at least 80.2%+0.6 points (small June base)
Polson3,42644.8%at least 54.4%+2.1%
Hamilton3,28613.9%at least 74.2%+59%
Lockwood3,1578.1%at least 79.9%+7.6 points (small June base)
Columbia Falls2,91058.9%at least 39.9%+14.3%
Glendive2,6661.3%at least 82.4%no change (small June base)
Orchard Homes2,5343.1%at least 96%+0.1 points (small June base)
Dillon2,3164.6%at least 80.7%+3 points (small June base)
Cut Bank2,1230.7%at least 91.2%+0.3 points (small June base)

The data

Every number on this page traces to one cell in the download. Source: FCC Broadband Data Collection, Fixed Broadband Summary by Geography, filings as of June 30, 2025 and Dec 31, 2025. Census figures: ACS 5-year estimates, 2020 to 2024. Grants: FCC Broadband Funding Map and the state broadband office.

Download Montana (CSV)Raw JSONMethodology
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