Oneida County is a county located in the U.S. state of Idaho. As of the 2020 Census the county had a population of 4,564. The county seat and largest city is Malad City. Most of the county's population lives in Malad City and the surrounding Malad Valley.

Box Elder County is a county at the northwestern corner of Utah, United States. At the 2020 census, the population was 57,666, up from the 2010 figure of 49,975. Its county seat and largest city is Brigham City. The county was named for the box elder trees that abound in the county.