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Census Questionnaire Information Services | US Census Bureau

1111 West 22nd Street, Suite 400, Oak Brook, IL 60523

Eligibility
No Restrictions
Required documents
No Documentation Required
Hours
24 Hours
630-288-9288
Fax·

Fax

630-288-9200
Voice·

Main

708-562-1791
Voice·

TDD

800-865-6384
Voice·

Toll Free

Languages
English
Application process
Call For Service
Fees
No Fees
Service area
  • Illinois State
  • Kansas State
  • Missouri State
Responsible for all data collection, data dissemination, and geographic operations. Services include Census Questionnaire Information Services and Census Data.
Last Assured
02/24/2026
Providing organization
US CENSUS BUREAU
Responsible for all data collection, data dissemination, and geographic operations. Services include Census Questionnaire Information Services and Census Data.