An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Participants in the Boundary and Annexation Survey (BAS) can use the maps, shapefiles/mapping files, and tools below to visualize their boundaries to ensure accuracy of the boundaries that the Census Bureau has on record for their jurisdiction. Reference files listing all previous legal boundary changes submitted through BAS are also available.
Top