census.gov Notification
Due to the lapse of federal funding, portions of this website are not being updated. Any inquiries submitted via www.census.gov will not be answered until appropriations are enacted.

Introduction to BAS 2. The BAS Contact and Annual Response Form

Background information on key concepts respondents need to complete Boundary and Annexation Survey (BAS).

YouTube Channel

All video content created by the U.S. Census Bureau is available on our YouTube channel. Subscribe to get notifications when new content is uploaded.

Page Last Revised - January 24, 2025