RANKING · 2010 CENSUS · 18 SHOWN OF 18

Highest Australian population share, Idaho counties · 2010

Idaho counties ranked by the share of all residents who are Australian ancestry (2010 American Community Survey). A concentration measure: Australian residents as a percentage of total population. This list covers the 18 counties in Idaho that qualify, ranked against each other statewide. The median across all 18 is 0.1%.

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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

Highest Australian population share by state

RANKPLACESTATEPOPAUSTRALIAN SHAREVS –

01Blaine County, IDID25,5170.2%–

02Boundary County, IDID13,9970.1%–

03Teton County, IDID13,2540.1%–

04Jerome County, IDID26,3620.1%–

05Franklin County, IDID15,8890.1%–

06Madison County, IDID55,1720.1%–

07Valley County, IDID12,8310.1%–

08Clearwater County, IDID9,1180.1%–

09Ada County, IDID546,1410.1%–

10Twin Falls County, IDID97,5390.1%–

11Latah County, IDID41,8420.1%–

12Caribou County, IDID7,2520.0%–

13Bonner County, IDID54,4200.0%–

14Kootenai County, IDID191,8640.0%–

15Jefferson County, IDID35,2970.0%–

16Bannock County, IDID91,5910.0%–

17Canyon County, IDID275,1230.0%–

18Bonneville County, IDID135,7710.0%–

SHOWING 1–18 OF 18

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UPDATED 2026-09-11 · DATA: US CENSUS BUREAU DECENNIAL CENSUS