United States congressional delegations from Maryland

These are tables of congressional delegations from Maryland to the United States House of Representatives and the United States Senate.

List of members of the Marylander United States House delegation, their terms in office, district boundaries, and the district political ratings according to the CPVI. The delegation has a total of 8 members, including 7 Democrats and 1 Republican.

Tables showing membership in the Maryland federal House delegation throughout history of statehood in the United States.

Maryland gained two representatives, up to eight.

Maryland gained one representative, up to nine. The fifth district had two representatives: one from Baltimore City, and the other from Baltimore County, Maryland.

Maryland lost one representative, down to eight. The fourth district had two representatives from 1835–1843.

Maryland lost two representatives, down to six.

Maryland lost one representative, down to five.

Maryland gained one representative, up to six for the next 80 years.

Maryland gained one representative, up to seven.

Maryland gained one representative, up to eight. From 1963 through 1967, the eighth seat was elected at-large statewide. Starting in 1967, however, the state was redistricted and an eighth district was created.

Tables showing membership in the Maryland federal Senate delegation throughout history of statehood in the United States. The alternating grey and white boxes indicate the duration of the actual six-year Senate terms.

As of January 2017^[update], there are three former U.S. Senators from the U.S. State of Maryland who are currently living at this time, two from Class 1.

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