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 (2024 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. The median across all 27 is 0.1%. Biggest climber in the top 100 since 2020: Madison County, MT, up 17 places to #10.

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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

RANKPLACESTATEPOPSLOVAK SHAREVS 2010

01Silver Bow County, MTMT36,1180.5%+0.3 pts

02Sweet Grass County, MTMT3,7620.3%–

03Meagher County, MTMT2,1370.3%–

04▲1Ravalli County, MTMT48,5820.2%+0.1 pts

05▲9Chouteau County, MTMT5,8650.2%−0.7 pts

06▲3Lewis and Clark County, MTMT75,3310.2%0.0 pts

07Musselshell County, MTMT5,5820.2%0.0 pts

08▼4Powell County, MTMT7,1570.2%−0.1 pts

09▲7Sanders County, MTMT14,0620.2%+0.1 pts

10▲17Madison County, MTMT10,0260.2%−0.6 pts

11▲11Missoula County, MTMT123,5130.1%0.0 pts

12▼1Judith Basin County, MTMT2,1620.1%0.0 pts

13Lake County, MTMT33,3920.1%+0.1 pts

14▼8Cascade County, MTMT85,0290.1%0.0 pts

15▼5Gallatin County, MTMT128,7400.1%−0.1 pts

16▲10Park County, MTMT18,2140.1%0.0 pts

17▲3Valley County, MTMT7,3850.1%0.0 pts

18▼16Broadwater County, MTMT8,4930.1%–

19Roosevelt County, MTMT10,2420.1%0.0 pts

20▲1Custer County, MTMT12,0340.1%−0.1 pts

21▼8Flathead County, MTMT115,4290.1%−0.1 pts

22▼7Hill County, MTMT16,1670.1%−0.1 pts

23Liberty County, MTMT1,9570.1%–

24▼7Yellowstone County, MTMT172,6920.0%0.0 pts

25▼7Deer Lodge County, MTMT9,7090.0%−0.2 pts

26▼18Carbon County, MTMT11,4660.0%0.0 pts

27Fergus County, MTMT11,8250.0%–

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES