The city hasn’t had a Democratic mayor since 2013
EDIT: Not only that, but looking to win by a large margin while heavily outspent. The Republican spent around ~$1.3 million vs the Democrats spending ~$550 thousand
https://www.wowt.com/video/2025/05/07/officials-release-update-campaign-spending-omaha-mayoral-race/
Lincoln, NE had democrats win big as well. Omaha was always the swing area, and the rest of Nebraska is dark red.