For 2026, the sales tax rate in Montgomery County, Ohio stands at 7.5% — a combination of the 5.75% state rate and 1.75% local levy. The county's 537,309 residents make it an important market in the region.
For a $500 purchase in Montgomery County, the sales tax would be $37.50, bringing the total to $537.50.
Business Compliance in Montgomery County
Businesses must register with the Ohio Department of Taxation to collect and remit sales tax. Filing frequency depends on sales volume. With a population of 537,309, Montgomery County offers significant market potential for businesses of all sizes.