Congressional District Geography Workbook
(119
th
Congress): An Interactive Tool for
Congressional Users
Updated August 21, 2025
This Insight accompanies the Congressional District Geography Workbook, a Microsoft Excel file that
congressional users can download from CRS.gov. The workbook provides information about U.S. House
districts as configured in the 119
th
Congress (2025-2026).
It supersedes the version published for the 118
th
Congress: CRS Insight IN12393, Congressional District
Geography Workbook (118th Congress): An Interactive Tool for Congressional Users, by Ben Leubsdorf.
This new Workbook incorporates updated datasets, new categories of geographic areas and features, and
revised district boundaries in five states (Alabama, Georgia, Louisiana, New York, and North Carolina).
Workbook Overview and Layout
The Congressional District Geography Workbook contains information about selected geographic areas
and features located inside each of the 435 congressional districts across all 50 states. It also includes
information for the District of Columbia, Puerto Rico, American Samoa, Guam, Northern Mariana
Islands, and U.S. Virgin Islands.
It contains 38 categories of geographic areas and features.
• Administrative and political areas including counties and equivalent entities such as
Louisiana parishes, county subdivisions such as townships and Census County Divisions
(CCDs), Native American areas such as reservations, places including incorporated
municipalities and unincorporated Census Designated Places (CDPs), school districts,
state legislative districts, and ZIP codes.
• Educational and cultural institutions including Head Start service locations, federal
depository libraries, museums and related organizations such as historical societies,
postsecondary institutions including colleges and universities, private schools
(elementary and secondary), public libraries, and public schools (elementary and
secondary).
