Village of Oak Park, Illinois
- Official site with local information, community links, village departments, bi-monthly newsletters, board agendas and minutes.
- http://www.oak-park.us/
Oak Park Runners Club - Diverse group of runners in the Chicago area, established 1982. Includes membership and contact information, and a list of members. - http://oprc.net.hosting.domaindirect.com/
Oak Park Township - Includes information on township services, tax assessment, senior and youth services, and community mental health. The township shares the same borders as Village of Oak Park. - http://www.oakparktownship.org/