Ranking of Idaho Counties By Population with Czech Ancestry in 2021
Updated on April 16, 2025.
Based on the US Census ACS-5Yrs estimates, in 2021, there were 5.28K people in Idaho with Czech ancestry. Among all Idaho counties, Ada County had the highest population with Czech ancestry (1.85K), followed by Canyon County (653), and Kootenai County (481).
The chart and table below shows the top 10 counties with high number of people with Czech ancestry.
You can see similar information for other states and for other ancestry groups in Idaho.
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Related Topics: Idaho ACS-5Yrs Estimates, 2021 Topic List.
Data Source: US Census Bureau.
Ranking of Idaho Counties By Population with Czech Ancestry in 2021
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| Rank | County | Population |
|---|---|---|
| 1 | Ada County | 1847 |
| 2 | Canyon County | 653 |
| 3 | Kootenai County | 481 |
| 4 | Bonneville County | 384 |
| 5 | Twin Falls County | 354 |
| 6 | Latah County | 172 |
| 7 | Bonner County | 145 |
| 8 | Blaine County | 134 |
| 9 | Idaho County | 115 |
| 10 | Jerome County | 106 |
| 11 | Teton County | 104 |
| 12 | Nez Perce County | 102 |
| 13 | Payette County | 85 |
| 14 | Jefferson County | 70 |
| 14 | Shoshone County | 70 |
| 15 | Bannock County | 64 |
| 16 | Power County | 54 |
| 17 | Valley County | 41 |
| 18 | Gooding County | 36 |
| 19 | Madison County | 32 |
| 19 | Owyhee County | 32 |
| 20 | Gem County | 30 |
| 21 | Benewah County | 28 |
| 22 | Bingham County | 25 |
| 22 | Cassia County | 25 |
| 23 | Elmore County | 20 |
| 24 | Adams County | 15 |
| 25 | Lincoln County | 14 |
| 26 | Clearwater County | 11 |
| 26 | Lewis County | 11 |
| 27 | Caribou County | 7 |
| 28 | Boundary County | 4 |
| 28 | Custer County | 4 |
| 28 | Franklin County | 4 |
| 29 | Minidoka County | 2 |
| 30 | Camas County | 1 |
| 30 | Lemhi County | 1 |
| 30 | Washington County | 1 |