Jeffries is the first African American in the history of Congress to serve as leader of either party, and the first congressman from New York to do so since Bertrand Snell's retirement in 1938.

[3] The election was expected to be highly competitive, with forecasts suggesting less than a five-seat difference between the two parties.

This election marked the first time since 2016 where Republicans won a majority of the congressional delegation in Pennsylvania and Michigan.

Sarah McBride of Delaware became the first openly transgender member elected to the United States Congress.

Three seats were left vacant on the day of the general election due to resignation or deaths in 2024, one of which was not filled until the next Congress.

As of May 2024, several states have seen challenges to their congressional district maps that were put in place during the redistricting cycle brought upon by the results of the 2020 census.

[90][91] In Louisiana, the Supreme Court's decision not to intervene in Robinson v. Ardoin led to a second majority Black district being drawn in that state as well,[92] although this map was struck down after a legal challenge by some Louisianans[93][94] before the Supreme Court of the United States issued an emergency order allowing the new map to be used in the 2024 elections.

[95] On the other hand, Republican legislators in North Carolina drew a map placing three Democratic incumbents in Republican-leaning districts after the North Carolina Supreme Court ruled that partisan gerrymandering is not justiciable,[96] which in turn was canceled out by a map passed after a similar state court ruling in New York that made three highly competitive districts somewhat Democratic-leaning.

There are eight special elections scheduled in 2024 to the 118th United States Congress, listed here by date and district.