Lexington is a village in Richland County in the U.S. state of Ohio. It is part of the Mansfield, Ohio Metropolitan Statistical Area. The population was 4,822 at the 2010 census, an increase from 4,165 in 2000.
The Mid-Ohio Sports Car Course is located just outside of Lexington in Troy Township. This venue hosted an annual round of the CART series from 1990 to 2003, has hosted the IndyCar Series since 2007, has hosted the NASCAR Nationwide Series since 2013, hosts Honda Super Bikes, and Vintage Bikes in addition to a few other annual high profile events.