PUBLIC REGISTRY INFORMATION

3,294 registered sex offenders in Montana

See the October 2026 registry snapshot for Montana, compare locations, and search the map near a specific address.

Registry snapshot

October 2026
Registry records
3,294
Registry source
Montana Sex Offender Registry
Counties represented
56
Cities represented
241
ZIP areas represented
240

This is a snapshot. Check the official registry for current information.

Registry statistics

Population and rate comparison
Registry records per 10,000 residents
29.5

Statewide rate for Montana

Population estimate
1,116,875
About 1 registry record per
339 residents

U.S. Census Bureau, ACS 5-year estimate.

About this snapshot

The October 2026 snapshot lists 3,294 registry records in Montana. It includes 56 counties, 241 cities, and 240 ZIP areas. With an estimated population of 1,116,875, that is 29.5 registry records per 10,000 residents. City, county, and ZIP totals can overlap.

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County distribution in Montana

LocationRegistry recordsPopulation estimateRecords per 10,000
Yellowstone County655168,95738.8
Missoula County426120,67235.3
Cascade County24884,60629.3
Lewis and Clark County24273,46432.9
Flathead County231110,69520.9
Silver Bow County15035,78541.9
Gallatin County133124,07410.7
Ravalli County11446,72724.4
Big Horn County9012,89169.8
Lake County8732,56126.7
Roosevelt County8410,52679.8
Hill County7216,15544.6
Glacier County7113,63752.1
Lincoln County7021,17533.1
Deer Lodge County679,59769.8
Richland County5611,23549.8
Sanders County4913,28536.9
Valley County467,51961.2
Dawson County438,82748.7
Jefferson County3912,77430.5
Rosebud County398,16547.8
Custer County3611,96130.1
Powell County277,05338.3
Blaine County246,94934.5
Fergus County2311,68719.7
Broadwater County227,66828.7
Mineral County214,95942.3
Musselshell County215,15240.8
Stillwater County199,18220.7
Chouteau County185,90630.5
Beaverhead County179,71317.5
Carbon County1711,11615.3
Park County1717,7109.6
Pondera County166,03526.5
McCone County131,67077.8
Sheridan County123,66932.7
Teton County126,35318.9
Madison County119,22311.9
Toole County115,06121.7
Phillips County94,22121.3
Prairie County91,25072.0
Sweet Grass County83,72021.5
Granite County73,46220.2
Fallon County52,76018.1
Meagher County52,00724.9
Powder River County51,81527.5
Wheatland County52,05624.3
Carter County21,30815.3
Garfield County21,09418.3
Judith Basin County22,0719.7
Liberty County21,95210.2
Treasure County273227.3
Daniels County11,4946.7
Golden Valley County189911.1
Petroleum County144722.4
Wibaux County11,1938.4

City distribution in Montana

LocationRegistry recordsPopulation estimateRecords per 10,000
Anaconda60——
Box Elder361063,396.2
Bigfork145,56525.2
Arlee11812135.5
Brockton9439205.0
Alberton8573139.6
Ashland895983.4
Big Timber81,61149.7
Frenchtown51,92725.9
Richey3238126.1
Absarokee292621.6
Augusta2165121.2
St Regis2——
Alder1——
Alzada1——
Antelope1——
Avon117357.8
Dutton126837.3
Medicine Lake121346.9
Neola1——

Each area shows its own total. City, county, and ZIP totals can overlap. Population figures, where shown: U.S. Census Bureau, ACS 5-year estimate.

Frequently asked questions

How many registered sex offenders are listed in Montana?

The October 2026 snapshot lists 3,294 registry records in Montana. Counts may differ from official registry totals. Check the official registry for current details.

How do city, county, and ZIP totals relate?

City, county, and ZIP boundaries can overlap, so the same registry record may appear in more than one area.

How can I check registry information near an address?

Open the free interactive map, enter an address, and choose a search radius. Verify identity and current status with the official registry.

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