Description: Population, household estimates and forecasts and job forecasts by Traffic Analysis Zone (TAZ) for 7 counties in Central Ohio, in support of the Metropolitan Transportation Plan 2040. Geography: 7 county region. The 7 county Central Ohio region: Delaware, Fairfield, Franklin, Licking, Madison, Pickaway, and Union Counties. TAZ data may not extend to the whole of every county. Source: MORPC. Updated: 7/16/2015.