Following the 1940 Census, the delegation lost one seat.
Following the 1960 Census, the delegation lost three seats.
Following the 1990 Census, the delegation lost two seats.
This ultimately could cut into the state's clout on Capitol Hill as the delegation loses the important committee assignments that were held by incumbents.
In recent years, the delegation lost its three most powerful Republicans in Congress.
In recent years, the New York region's delegation in Congress has gradually lost the prominence it once had.
"The delegation has lost all its power," said James A. Thurber, director of the Center for Congressional and Presidential Studies at American University.
Last year alone, the delegation lost its three most influential Republicans, a crucial change in a Republican-controlled Congress.
Indeed, the American delegation lost no opportunity to praise Switzerland's actions.
Virginia's congressional delegation remained the largest of any state, but would lose this distinction permanently after the Census of 1810.