There are 286 Banks & Credit Unions in Ada County, Idaho, serving a population of 435,117 people in an area of 1,053 square miles. There is 1 Bank & Credit Union per 1,521 people, and 1 Bank & Credit Union per 3 square miles.
In Idaho, Ada County is ranked 25th of 44 counties in Banks & Credit Unions per capita, and 1st of 44 counties in Banks & Credit Unions per square mile.