191 years in pictures
Unity Temple is one of 3 National Historic Landmarks here, the National Register’s top tier. Its 15 National Register listings are more than in 95% of Illinois towns with a listing.
Census counts: 19,444 in 1910, 54,583 in 2020. The archive holds 28 old photos and papers going back to 1880 and 7 maps from 1891 on.
- 1835Oak Park is settled
















