RANKING · 2024 ACS · 30 SHOWN OF 30

Highest Portuguese population share, Montana counties

Montana counties ranked by the share of all residents who are Portuguese ancestry (2023 American Community Survey). A concentration measure: Portuguese residents as a percentage of total population. This list covers the 30 counties in Montana that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest American population Highest American population share Largest Arab population Highest Arab population share Largest Egyptian population Highest Egyptian population share

YEAR2010 2020 2024

RANKPLACESTATEPOPPORTUGUESE SHAREVS 2000

01Madison County, MTMT10,0261.1%–

02Silver Bow County, MTMT36,1180.6%–

03Teton County, MTMT6,4960.4%–

04Cascade County, MTMT85,0290.4%–

05Mineral County, MTMT5,1850.3%–

06Flathead County, MTMT115,4290.2%–

07Gallatin County, MTMT128,7400.2%–

08Missoula County, MTMT123,5130.2%–

09Ravalli County, MTMT48,5820.2%–

10Lake County, MTMT33,3920.2%–

11Judith Basin County, MTMT2,1620.1%–

12Stillwater County, MTMT9,4450.1%–

13Sanders County, MTMT14,0620.1%–

14Carbon County, MTMT11,4660.1%–

15Lewis and Clark County, MTMT75,3310.1%–

16Yellowstone County, MTMT172,6920.1%–

17Lincoln County, MTMT22,3280.1%–

18Beaverhead County, MTMT10,0430.1%–

19Sheridan County, MTMT3,4360.1%–

20Richland County, MTMT11,3770.1%–

21Hill County, MTMT16,1670.1%–

22Musselshell County, MTMT5,5820.1%–

23Blaine County, MTMT6,8600.1%–

24Sweet Grass County, MTMT3,7620.1%–

25Fergus County, MTMT11,8250.0%–

26Park County, MTMT18,2140.0%–

27Chouteau County, MTMT5,8650.0%–

28Dawson County, MTMT8,6920.0%–

29Roosevelt County, MTMT10,2420.0%–

30Glacier County, MTMT13,4630.0%–

SHOWING 1–30 OF 30

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