Bellevue is a suburban city in Sarpy County, Nebraska, United States. It is part of the Omaha–Council Bluffs metropolitan area, and had a population of 64,176 as of the 2020 census, making it the 3rd most populous city in Nebraska, behind Omaha and Lincoln, and the second largest city in the U.S. named "Bellevue," behind Bellevue, Washington.