Northern Ohio Data and Information ServiceThe Northern Ohio Data & Information Service (NODIS) is your online connection to demographic and economic data for Ohio, especially post-1990 data tables and area profiles.
The majority of data, maps and reports are based on geographies in the Cleveland-Elyria-Mentor MSA (Cuyahoga, Geauga, Lake, Lorain, Medina, Portage and Summit counties). NODIS also makes available data for other areas in Ohio and the US as well.