Ranking of Montana Counties By Population with Portuguese Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 2.01K people in Montana with Portuguese ancestry. Among all Montana counties, Gallatin County had the highest population with Portuguese ancestry (324), followed by Yellowstone County (293), and Cascade County (241).
The chart and table below shows the top 10 counties with high number of people with Portuguese ancestry.
You can see similar information for other states and for other ancestry groups in Montana.
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Related Topics: Montana ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Montana Counties By Population with Portuguese Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Gallatin County | 324 |
| 2 | Yellowstone County | 293 |
| 3 | Cascade County | 241 |
| 4 | Missoula County | 198 |
| 5 | Flathead County | 164 |
| 6 | Lewis and Clark County | 127 |
| 7 | Madison County | 118 |
| 8 | Ravalli County | 109 |
| 9 | Custer County | 67 |
| 10 | Teton County | 59 |
| 11 | Lake County | 35 |
| 12 | Beaverhead County | 33 |
| 13 | Sanders County | 30 |
| 14 | Park County | 25 |
| 15 | Silver Bow County | 23 |
| 16 | Hill County | 16 |
| 17 | Broadwater County | 14 |
| 17 | Stillwater County | 14 |
| 18 | Deer Lodge County | 12 |
| 18 | Mineral County | 12 |
| 19 | Carbon County | 11 |
| 19 | Lincoln County | 11 |
| 19 | Rosebud County | 11 |
| 20 | Sweet Grass County | 8 |
| 21 | Jefferson County | 6 |
| 21 | Judith Basin County | 6 |
| 22 | Treasure County | 5 |
| 23 | Dawson County | 4 |
| 23 | Granite County | 4 |
| 23 | Liberty County | 4 |
| 23 | Powell County | 4 |
| 23 | Richland County | 4 |
| 23 | Toole County | 4 |
| 24 | McCone County | 3 |
| 25 | Chouteau County | 2 |
| 25 | Roosevelt County | 2 |
| 26 | Sheridan County | 1 |
| 26 | Valley County | 1 |