RANKING · 2024 ACS · 33 SHOWN OF 33

Highest Puerto Rican population share, Montana counties

Montana counties ranked by the share of all residents who are Puerto Rican origin (2023 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 33 counties in Montana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Mexican population Highest Mexican population share Largest Puerto Rican population Largest Cuban population Highest Cuban population share Largest Dominican population

YEAR2010 2020 2024

RANKPLACESTATEPOPPUERTO RICAN SHAREVS 2000

01Chouteau County, MTMT5,8650.8%–

02Teton County, MTMT6,4960.8%–

03Richland County, MTMT11,3770.7%–

04Musselshell County, MTMT5,5820.7%–

05Cascade County, MTMT85,0290.6%–

06Treasure County, MTMT7280.4%–

07Stillwater County, MTMT9,4450.4%–

08Lewis and Clark County, MTMT75,3310.4%–

09Blaine County, MTMT6,8600.3%–

10Sanders County, MTMT14,0620.3%–

11Gallatin County, MTMT128,7400.3%–

12Granite County, MTMT3,6580.2%–

13Yellowstone County, MTMT172,6920.2%–

14Flathead County, MTMT115,4290.2%–

15Missoula County, MTMT123,5130.2%–

16Ravalli County, MTMT48,5820.2%–

17Meagher County, MTMT2,1370.1%–

18Jefferson County, MTMT13,3290.1%–

19Toole County, MTMT5,2110.1%–

20Carbon County, MTMT11,4660.1%–

21Mineral County, MTMT5,1850.1%–

22Lake County, MTMT33,3920.1%–

23Dawson County, MTMT8,6920.1%–

24Big Horn County, MTMT12,7520.1%–

25Custer County, MTMT12,0340.1%–

26Park County, MTMT18,2140.1%–

27Lincoln County, MTMT22,3280.1%–

28Silver Bow County, MTMT36,1180.0%–

29Rosebud County, MTMT8,2530.0%–

30Fergus County, MTMT11,8250.0%–

31Roosevelt County, MTMT10,2420.0%–

32Pondera County, MTMT6,0720.0%–

33Beaverhead County, MTMT10,0430.0%–

SHOWING 1–33 OF 33

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES