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FBI arrest data · 2024

Montana Arrests

29,077 arrests were reported by 106 Montana law-enforcement agencies in 2024. The most common charge was all other offenses (exc. traffic) (6,837); 11.8% of arrests were of juveniles.

Who was arrested in Montana

By sex & age

Shares of all Montana arrests.

Male19,515 · 67.1%
Female9,562 · 32.9%
Adults (18+)25,641 · 88.2%
Juveniles3,436 · 11.8%

By race & ethnicity

Agencies report race and ethnicity separately from the age/sex counts, so shares below are of the 28,021 race entries reported (26,354 ethnicity entries) — a different universe than the total above, which it can undershoot or occasionally exceed.

White18,67066.6%
Black or African American7912.8%
American Indian / Alaska Native8,30929.7%
Asian / Pacific Islander2510.9%
Hispanic or Latino (any race)1,3585.2%

Largest agencies by reported arrests

AgencyTypeCountyArrests
Billings Police DepartmentCityYellowstone County3,962
Missoula Police DepartmentCityMissoula County3,496
Great Falls Police DepartmentCityCascade County2,992
Bozeman Police DepartmentCityGallatin County1,452
Helena Police DepartmentCityLewis and Clark County1,294
Kalispell Police DepartmentCityFlathead County1,108
Silver Bow County Sheriff's OfficeCountySilver Bow County1,079
Blackfeet AgencyTribalGlacier County936
Yellowstone County Sheriff's OfficeCountyYellowstone County759
Havre Police DepartmentCityHill County718
Ravalli County Sheriff's OfficeCountyRavalli County694
Cascade County Sheriff's OfficeCountyCascade County629
Gallatin County Sheriff's OfficeCountyGallatin County570
Fort Peck Assiniboine and Sioux TribesTribalRoosevelt County542
Northern Cheyenne AgencyTribalRosebud County521
Flathead TribalTribalLake County439
Flathead County Sheriff's OfficeCountyFlathead County413
Crow AgencyTribalBig Horn County343
Lewis and Clark County Sheriff's OfficeCountyLewis and Clark County342
Missoula County Sheriff's OfficeCountyMissoula County341
Polson Police DepartmentCityLake County338
Belgrade Police DepartmentCityGallatin County337
Cut Bank Police DepartmentCityGlacier County325
Columbia Falls Police DepartmentCityFlathead County293
Lake County Sheriff's OfficeCountyLake County271

About this data

  • Counts are arrests, not people. One person arrested twice counts twice; an arrest with several charges counts once, under the most serious charge.
  • Reported agencies only. Figures cover the ~14,500 agencies in the FBI's 2024 Uniform Crime Reporting arrest (ASR) file — about 94–95% of the FBI's official national total, which additionally counts agencies that report only through NIBRS. Nothing here is estimated for non-reporting agencies, so totals slightly undercount and are not strictly comparable across areas with different reporting coverage.
  • Location is the arresting agency's headquarters, not where the arrest happened. Multi-jurisdiction agencies (state police, sheriffs, transit police) concentrate in one county — county figures are approximate, and about 3% of arrests come from agencies that can't be placed in any county.
  • Race and ethnicity are reported separately from the age/sex counts, and not for every arrest — race is reported for ≈95% of arrests, ethnicity for ≈81%. Shares here use those reported subtotals as denominators.
  • No per-capita rates. Because reporting coverage varies by area, population-adjusted rates would mislead; we show counts only. Arrests measure enforcement activity, not crime rates.

Source: FBI Uniform Crime Reporting Program, 2024 Arrest (ASR) master file. pumsdata is independent and not affiliated with the FBI. How our data works.

Montana arrests — FAQ

How many arrests were made in Montana in 2024?+

29,077 arrests were reported to the FBI by 106 Montana law-enforcement agencies in 2024. Actual arrests are somewhat higher, since not every agency reports.

What is the most common arrest offense in Montana?+

All other offenses (exc. traffic) — 6,837 arrests, 23.5% of the state's reported total.

How many juveniles were arrested in Montana?+

3,436 of Montana's 2024 reported arrests (11.8%) were of juveniles under 18.

Where does this data come from?+

The FBI Uniform Crime Reporting Program's 2024 arrest (ASR) master file. Counts are arrests, not unique persons, from reporting agencies only. pumsdata is independent and not affiliated with the FBI.

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