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RANKING · 2024 ACS · 27 SHOWN OF 27

Largest Japanese population, Idaho counties

Idaho counties ranked by the number of residents who are Japanese, from the 2024 American Community Survey detailed-origin tables. Each list covers the full eligible universe; download the complete data as CSV. This list covers the 27 counties in Idaho that qualify, ranked against each other statewide. The median across all 27 is 18. Biggest climber in the top 100 since 2020: Boise County, ID, up 15 places to #6.

Japanese Americans: full group profile →
SAME RANKING BYCitiesStatesMetros
Largest Japanese population by state
RANKPLACESTATEPOPJAPANESE POPULATIONVS 2020
01Ada County, IDID546,1411,1480%
02Bonneville County, IDID135,771347+10%
03Canyon County, IDID275,123292+22%
04Bannock County, IDID91,591174−9%
05Kootenai County, IDID191,864133+22%
06▲15Boise County, IDID8,545100+900%
07▲1Bingham County, IDID51,15383+28%
08▲6Latah County, IDID41,84283+159%
09▲7Bonner County, IDID54,42056+167%
10Minidoka County, IDID22,91155–
11▲9Gem County, IDID21,77343+258%
12▼6Payette County, IDID27,82441−45%
13▼1Madison County, IDID55,17234−17%
14▼1Elmore County, IDID29,46518−51%
15▲3Washington County, IDID11,58318+6%
16▼7Idaho County, IDID17,87416−75%
17▲9Cassia County, IDID26,39715+1400%
18▼8Twin Falls County, IDID97,53912−80%
19▼4Jerome County, IDID26,3627−77%
20▼3Lincoln County, IDID5,6037−65%
22Gooding County, IDID16,4466–
23▼4Fremont County, IDID14,2085−62%
24Teton County, IDID13,2545–
25Custer County, IDID4,6364–
26▼4Boundary County, IDID13,9971−90%
27Lewis County, IDID3,7041–
SHOWING 1–27 OF 27

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