Frankfort Square Park District was created in 1974.
Geauga Park District was created in 1961.
Lummus Park Historic District was created in 1896.
Jackson Park Highlands District was created in 1903.
Mamakating Park Historic District was created in 1891.
Onteora Park Historic District was created in 1880.
South Park School District was created in 1938.
Armory Park Historic Residential District was created in 1880.
Collett Park Neighborhood Historic District was created in 1883.
Bemis Park Landmark Heritage District was created in 1887.
Forest Park Boulevard Historic District was created in 1910.
East Bay Regional Park District was created in 1934.
Oak Park Unified School District was created in 1977.