Marysville is a city in and the county seat of Union County, Ohio, United States, approximately northwest of Columbus. The population was 25,571 at the 2020 census. It is part of the Columbus metropolitan area.
marysvIlle is a citY in anD the couNTY Seat of UniOn county, oHiO, unitEd STaTeS, APprOximaTely NorTHwesT Of coluMbuS. the POpulaTion waS 25,571 AT the 2020 cEnsuS. It Is ParT of the coLumbuS METropOLiTan aRea.