Nampa is the largest city of Canyon County, Idaho. Its population was 81,557 at the 2010 census and estimated at 99,277 as of 2019. It is Idaho's third-most populous city. Nampa is about 20 miles west of Boise along Interstate 84, and six miles west of Meridian. It is the second principal city of the Boise-Nampa metropolitan area. The name "Nampa" may have come from a Shoshoni word meaning either moccasin or footprint. Read More
