Official Directory of the United States Congress ( - )

Key Chapter Title List

1. Member Changes in the 118th Congress
2. Member Changes in the 117th Congress
3. Preface and Compilation Notes
4. Senate Members, Leadership, and Committees
5. House of Representatives Members, Leadership, and Committees
6. Congressional Service Tenure Statistics
7. Senate Committees (Standing, Special, and Intelligence Committees)
8. House Committees (Standing, Special, and Intelligence Committees)
9. Capitol Officers and Service Agencies
10. The White House and Executive Branch Departments
11. Independent Agencies, Government Corporations, and Quasi-Official Agencies
12. The Judiciary and the District of Columbia

Document Introduction

This document is the 118th Congress (2023-2024) edition of the officially published "Congressional Directory" of the United States. This directory is one of the oldest working manuals within the U.S. government, with its official edition tradition traceable to the 30th Congress in 1847. This edition is directed by the Joint Committee on Printing and compiled by the Government Publishing Office. It comprehensively covers the core organizational structure and contact information of the three branches of the U.S. government—legislative, executive, and judicial—serving as an authoritative foundational reference tool for studying the U.S. political system, conducting policy analysis, and making contacts.

The main body of the report first details the changes in membership from the formation of the 118th Congress up to the publication date of the directory. Senate changes include the resignation of Ben Sasse (Nebraska), the death of Dianne Feinstein (California), and the appointment and swearing-in dates of their successors. House changes record seat turnovers due to death, resignation (e.g., David Cicilline, Chris Stewart, George Santos), expulsion (George Santos), etc., along with corresponding special election results and successor swearing-in information. For context, the document also traces member changes following the previous (117th) Congress elections, including the appointment of Alex Padilla after Kamala Harris resigned to become Vice President, as well as special election situations for several House seats.

The core content systematically lists the official biographical information of all members of the 118th Congress (Vice President, Senators, Representatives, Delegates, and Resident Commissioner) by state and territory. Each biography is based on information provided or authorized by the member's office, including place of birth, educational background, career history, military service (if applicable), awards received, religious affiliation, family information, committee assignments, and election history. Following this are each member's office addresses, phone numbers, key staff (e.g., Chief of Staff, Legislative Director, Communications Director), and links to online resources in Washington D.C. and their districts. Simultaneously, the report provides population data for each congressional district based on the 2020 Census, lists of included counties/cities, and ZIP code ranges, supplemented by district maps for some states, clearly outlining the political geography at the federal level of the United States.

Beyond member information, the directory provides an in-depth analysis of the internal organizational structure of Congress. It fully lists the leadership of both the Senate and the House, party leadership committees, and the membership rosters of all standing committees, special committees, and intelligence committees. Furthermore, the document covers congressional support agencies (e.g., Congressional Budget Office, Government Accountability Office, Library of Congress), various Capitol officers (e.g., Secretary of the Senate, Clerk of the House, Capitol Police), and member access qualifications for the press galleries. The directory also extends its scope to the entire federal government, detailing the organizational structure and key contact points for the White House, all 15 executive departments (State, Treasury, Defense including military departments, Justice, etc.), major independent agencies, government corporations, quasi-official agencies, the federal court system, and even the District of Columbia government. Finally, the appendices provide statistical information of long-term reference value, such as congressional election historical voting data, records of congressional sessions, and changes in apportionment of congressional seats.

The value of this document lies in its official nature, comprehensiveness, and timeliness. It is not only a guide to the infrastructure of U.S. political operations but also provides precise raw data for analyzing the evolution of congressional power structures, partisan strength comparisons, committee jurisdiction allocations, and executive-legislative branch interaction patterns. For defense and international political analysts, information on the membership composition of committees such as the Armed Services Committee, Foreign Affairs Committee, Intelligence Committee, and those related to strategic competition (e.g., the Select Committee on the Strategic Competition Between the United States and the Chinese Communist Party) serves as a foundation for assessing the U.S. national security and foreign policy legislative agenda and the positions of key figures.