{"record":{"id":4904277,"name":"Oak Brook","asciiName":"Oak Brook","slug":"oak-brook","country":"US","admin1":"IL","admin2":"043","latitude":41.83281,"longitude":-87.92895,"featureCode":"PPL","population":8091,"timezone":"America/Chicago","modified":"2026-08-30"},"country":"United States","region":"Illinois","source":"https://www.geonames.org/4904277/","license":"https://creativecommons.org/licenses/by/4.0/","populationNote":"Population is the value supplied by GeoNames, of varying dates; zero or missing is represented as null. Record modification date is not a population reference date."}