Austinburg is a census-designated place in northern Austinburg Township, Ashtabula County, Ohio, United States. It lies at the intersection of State Routes 45 and 307. As of the 2020 census it had a population of 505, out of a total population of 2,197 in Austinburg Township. Austinburg was laid out ca. 1800 by Judge Eliphalet Austin, and named for him. Austinburg is home to a large white wooden rocking chair, measuring approximately 25 feet tall.