Meridian is the second-largest city in Ada County, Idaho, United States and the third-largest in the state. As of the 2006 estimate the population of Meridian was 59,832.
Having recently surpassed both Pocatello and Idaho Falls, the most recent United States Census estimates place Meridian as the third-largest city in Idaho behind Boise and Nampa. As of June 2006 Meridian is the fastest-growing city in Idaho, with a 14.5 percent increase in population between 2004 and 2005.
Meridian is part of the Boise metropolitan area.






