By Cara Moore Lebonick | National Archives News Enlarge NAID 131922380 - 1940 Census Population Schedules - Illinois - Macoupin County - ED 59-62 View in National Archives Catalog ST. LOUIS, Feburary 1, 2022 The National Archives at St. Louis is uniquely positioned to benefit from the public release of the 1950 Census on April 1. The holdings at St. Louis include the