how many representatives are there in congress

There are 435 representatives in the United States House of Representatives, which is one chamber of Congress. In addition to these 435 voting representatives, there are 6 non-voting delegates representing U.S. territories and the District of Columbia. The number of representatives per state is determined by population and reapportioned every ten years based on the U.S. Census results. Alongside the House, the U.S. Senate has 100 senators, making the total voting members of Congress 535. As of 2025, the House has occasionally experienced vacancies, but the total seats remain 435.