RANKING · 2020 CENSUS · 11 SHOWN OF 11

Highest Colombian population share, Montana counties · 2020

Montana counties ranked by the share of all residents who are Colombian origin (2023 American Community Survey). A concentration measure: Colombian residents as a percentage of total population. This list covers the 11 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

RANKPLACESTATEPOPCOLOMBIAN SHAREVS 2000

01Granite County, MTMT3,6581.1%–

02Park County, MTMT18,2140.2%–

03Missoula County, MTMT123,5130.2%–

04Cascade County, MTMT85,0290.1%–

05Flathead County, MTMT115,4290.1%–

06Lewis and Clark County, MTMT75,3310.1%–

07Yellowstone County, MTMT172,6920.0%–

08Ravalli County, MTMT48,5820.0%–

09Fergus County, MTMT11,8250.0%–

10Gallatin County, MTMT128,7400.0%–

11Carbon County, MTMT11,4660.0%–

SHOWING 1–11 OF 11

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