Population Of Columbus Ohio 2025. The state department of development reports ohio's population is projected to decline by nearly 6% (675,000) by 2050 if current rates of fertility, mortality, and migration. Columbus among just six of top 15 cities to gain population in covid's first year.

The city of columbus, ohio, is holding general elections for attorney, auditor, and city council on november 4, 2025. The least populous of the compared county.