RANKING · 2024 ACS · 30 SHOWN OF 30

Largest Portuguese population, Montana counties

Montana counties ranked by the number of residents who are Portuguese ancestry, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 30 counties in Montana that qualify, ranked against each other statewide.

Portuguese Americans: full group profile →

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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 POPULATIONVS 2010

01Cascade County, MTMT85,029348+40%

02Flathead County, MTMT115,429275+8%

03Gallatin County, MTMT128,740230−28%

04Silver Bow County, MTMT36,118221+402%

05Missoula County, MTMT123,513219−30%

06Yellowstone County, MTMT172,692208+94%

07Madison County, MTMT10,026101+153%

08Lewis and Clark County, MTMT75,33195−73%

09Ravalli County, MTMT48,58282−69%

10Lake County, MTMT33,39250−33%

11Teton County, MTMT6,49628+40%

12Lincoln County, MTMT22,32825−84%

13Sanders County, MTMT14,06218−63%

14Carbon County, MTMT11,46615−46%

15Hill County, MTMT16,16714+100%

16Mineral County, MTMT5,18513+333%

17Stillwater County, MTMT9,44513–

18Richland County, MTMT11,37712–

19Beaverhead County, MTMT10,04311−21%

20Park County, MTMT18,2147−93%

21Fergus County, MTMT11,8255+67%

22Blaine County, MTMT6,8604–

23Musselshell County, MTMT5,5824−69%

24Sheridan County, MTMT3,4364–

25Judith Basin County, MTMT2,1623–

26Chouteau County, MTMT5,8652−88%

27Dawson County, MTMT8,6922–

28Glacier County, MTMT13,4632−86%

29Roosevelt County, MTMT10,2422+0%

30Sweet Grass County, MTMT3,7622–

SHOWING 1–30 OF 30

Download CSV (full list, 30 rows)

UPDATED 2026-07-15 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES