The 1978 United States Senate elections were held on November 7, in the middle of Democratic President Jimmy Carter's term. The 33 seats of Class 2 were contested in regular elections. Special elections were also held to fill vacancies.
New York is a Democratic stronghold and is considered one of the "Big Three" Democratic strongholds alongside California and Illinois. The following table indicates the party of elected officials in the U.S. state of New York:
The following table indicates the party of elected officials in the U.S. state of Georgia:
The following table displays, by color, the parties of elected officials in the U.S. state of Alabama from 1817 to the current year. As such, it may indicate the political party strength at any given time. The officers listed include:
As of January 2023, Arizona's registered voters include 1,443,142 Republicans (34.7%), 1,270,613 Democrats (30.5%), 32,961 Libertarians (0.8%), and 1,415,020 "Other" (34.0%).
The following table indicates the party of elected officials in the U.S. state of Arkansas:
The following table indicates the party of elected officials in the U.S. state of Connecticut:
The following tables indicate party affiliation in the U.S. state of Florida for the individual elected offices of:
The following table indicates the parties of elected officials in the U.S. state of Idaho:
The following table indicates the party of elected officials in the U.S. state of Kansas:
The following table indicates the party of elected officials in the U.S. state of Kentucky:
The following table indicates the party of elected officials in the U.S. state of Louisiana:
{more citations needed|date=January 2021}} The following table indicates the party of elected officials in the U.S. state of Maryland:
The following table indicates the party of elected officials in the U.S. state of Minnesota:
The following table indicates the party of elected officials in the U.S. state of Montana:
The following table indicates the party of elected officials in the U.S. state of Nebraska :
The following table indicates the party of elected officials in the U.S. state of Rhode Island:
The following table indicates the party of elected officials in the U.S. state of Texas:
Washington ratified its constitution and held its first state elections in 1889, the year it was admitted to the union as a state. It established the positions of governor, lieutenant governor, Secretary of State, attorney general, state treasurer, state auditor, Commissioner of Public Lands, and Superintendent of Public Instruction. The position of insurance commissioner was legislatively established in 1907. All positions are elected to four-year terms, concurrent with presidential elections. Washington is one of three states that elects nine separate statewide officials, while six others elect ten.
