Nine mayorships in the 50 largest U.S. cities have shifted blue over the past decade, compared to only five that have adopted more centrist or Republican leaders. The data shows Democrats are expanding control over the country’s urban centers,

John Ewing, the treasurer of Douglas County, Nebraska, is set to become Omaha’s first Black mayor after his opponent conceded in Tuesday’s mayoral election.

For the first time in city history, a Black man has been elected of Omaha, Neb. as Democrat Treasurer John Ewing Jr. defeated incumbent Republican Omaha Mayor Jean Stothert Wednesday night.