RANKING · 2024 ACS · 12 SHOWN OF 12

Highest Argentine population share, Montana counties

Montana counties ranked by the share of all residents who are Argentine origin (2023 American Community Survey). A concentration measure: Argentine residents as a percentage of total population. This list covers the 12 counties in Montana that qualify, ranked against each other statewide.

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

YEAR2010 2020 2024

Highest Argentine population share by state

RANKPLACESTATEPOPARGENTINE SHAREVS 2000

01Missoula County, MTMT123,5130.1%–

02Madison County, MTMT10,0260.1%–

03Yellowstone County, MTMT172,6920.1%–

04Cascade County, MTMT85,0290.1%–

05Gallatin County, MTMT128,7400.1%–

06Ravalli County, MTMT48,5820.1%–

07Sheridan County, MTMT3,4360.1%–

08Park County, MTMT18,2140.1%–

09Flathead County, MTMT115,4290.0%–

10Silver Bow County, MTMT36,1180.0%–

11Big Horn County, MTMT12,7520.0%–

12Lake County, MTMT33,3920.0%–

SHOWING 1–12 OF 12

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