RANKING · 2024 ACS · 27 SHOWN OF 27

Highest Slovak population share, Montana counties

Montana counties ranked by the share of all residents who are Slovak ancestry (2023 American Community Survey). A concentration measure: Slovak residents as a percentage of total population. This list covers the 27 counties in Montana that qualify, ranked against each other statewide.

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

YEAR2010 2020 2024

RANKPLACESTATEPOPSLOVAK SHAREVS 2000

01Silver Bow County, MTMT36,1180.5%–

02Sweet Grass County, MTMT3,7620.3%–

03Meagher County, MTMT2,1370.3%–

04Ravalli County, MTMT48,5820.2%–

05Chouteau County, MTMT5,8650.2%–

06Lewis and Clark County, MTMT75,3310.2%–

07Musselshell County, MTMT5,5820.2%–

08Powell County, MTMT7,1570.2%–

09Sanders County, MTMT14,0620.2%–

10Madison County, MTMT10,0260.2%–

11Missoula County, MTMT123,5130.1%–

12Judith Basin County, MTMT2,1620.1%–

13Lake County, MTMT33,3920.1%–

14Cascade County, MTMT85,0290.1%–

15Gallatin County, MTMT128,7400.1%–

16Park County, MTMT18,2140.1%–

17Valley County, MTMT7,3850.1%–

18Broadwater County, MTMT8,4930.1%–

19Roosevelt County, MTMT10,2420.1%–

20Custer County, MTMT12,0340.1%–

21Flathead County, MTMT115,4290.1%–

22Hill County, MTMT16,1670.1%–

23Liberty County, MTMT1,9570.1%–

24Yellowstone County, MTMT172,6920.0%–

25Deer Lodge County, MTMT9,7090.0%–

26Carbon County, MTMT11,4660.0%–

27Fergus County, MTMT11,8250.0%–

SHOWING 1–27 OF 27

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