The U.S. currently has 55 statistical areas that have been delineated by the Office of Management and Budget (OMB). On July 21, 2023, the OMB delineated 11 combined statistical areas, 15 metropolitan statistical areas, and 29 micropolitan statistical areas in Ohio. As of 2023, the largest of these is the Cleveland-Akron-Canton, OH CSA, comprising Cleveland and other cities in the northeast region of the state.

Table

Primary statistical areas

Primary statistical areas (PSAs) include all combined statistical areas and any core-based statistical area that is not a constituent of a combined statistical area. Of the 55 statistical areas of Ohio, 15 are PSAs comprising 11 combined statistical areas, two metropolitan statistical areas and two micropolitan statistical areas.