RANKING · 2010 CENSUS · 23 SHOWN OF 23

Highest Puerto Rican population share, Montana counties · 2010

Montana counties ranked by the share of all residents who are Puerto Rican origin (2010 American Community Survey). A concentration measure: Puerto Rican residents as a percentage of total population. This list covers the 23 counties in Montana that qualify, ranked against each other statewide. The median across all 23 is 0.1%.

Puerto Rican Americans: full group profile →

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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 –

01Wibaux County, MTMT8850.8%–

02Meagher County, MTMT2,1370.5%–

03Cascade County, MTMT85,0290.4%–

04Lake County, MTMT33,3920.4%–

05Chouteau County, MTMT5,8650.3%–

06Missoula County, MTMT123,5130.3%–

07Deer Lodge County, MTMT9,7090.2%–

08Custer County, MTMT12,0340.2%–

09Yellowstone County, MTMT172,6920.2%–

10Lewis and Clark County, MTMT75,3310.2%–

11Ravalli County, MTMT48,5820.2%–

12Flathead County, MTMT115,4290.1%–

13Silver Bow County, MTMT36,1180.1%–

14Stillwater County, MTMT9,4450.1%–

15Mineral County, MTMT5,1850.1%–

16Gallatin County, MTMT128,7400.1%–

17Park County, MTMT18,2140.1%–

18Hill County, MTMT16,1670.1%–

19Dawson County, MTMT8,6920.1%–

20Powell County, MTMT7,1570.1%–

21Lincoln County, MTMT22,3280.1%–

22Glacier County, MTMT13,4630.0%–

23Richland County, MTMT11,3770.0%–

SHOWING 1–23 OF 23

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS