Gardena, Idaho From Wikipedia, the free encyclopedia Unincorporated community in the state of Idaho, United States Gardena is an unincorporated community located in Boise County, Idaho, United States.[1] Gardena's population was 25 in 1960.[2] References ↑ U.S. Geological Survey Geographic Names Information System: Gardena, Idaho ↑ World Book Encyclopedia. Vol. I. Field Enterprises Corporation. 1960. p. 27. vteMunicipalities and communities of Boise County, Idaho, United StatesCounty seat: Idaho CityCities Crouch Horseshoe Bend Idaho City Placerville Map of Idaho highlighting Boise CountyCDPs Banks Garden Valley Lowman Robie Creek Unincorporated communities Centerville Gardena Quartzburg Pioneerville Idaho portal United States portal 43°58′33″N 116°11′27″W / 43.97583°N 116.19083°W / 43.97583; -116.19083 This Boise County, Idaho state location article is a stub. You can help Wikipedia by adding missing information.vte Related Articles