Ada County is one of the fastest-growing regions in the entire country. New Census data from the 2020 census shows who we are, what the average household is like, how much we earn and other telling characteristics.
Ada County’s population is now 494,967. That’s almost a 23% increase in less than ten years.. More than 91% of Ada County residents identify as white. The median income for a family of four is just over $66,000. Learn more about what the latest census data tells us here: