11 county Central Indiana region

School Corporations in Central Indiana. Smaller than counties.

Small areas for local data. Typically contain 2,500-8,000 people.

Small areas for very local data. Typically contain 600-3,000 people.

Public Use Microdata Areas (PUMAs) are census-defined geographies with 100,000+ people.

Eight Central Indiana counties served by Central Indiana Senior Fund.