Since

Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of t ...

became a U.S. state in 1876, it has sent congressional delegations to the

United States Senate The United States Senate is the upper chamber of the United States Congress, with the House of Representatives being the lower chamber. Together they compose the national bicameral legislature of the United States. The composition and pow ...

and

United States House of Representatives The United States House of Representatives, often referred to as the House of Representatives, the U.S. House, or simply the House, is the Lower house, lower chamber of the United States Congress, with the United States Senate, Senate being ...

. Each state elects two senators to serve for six years, and members of the House to two-year terms. Before becoming a state, the

Colorado Territory The Territory of Colorado was an organized incorporated territory of the United States that existed from February 28, 1861, until August 1, 1876, when it was admitted to the Union as the State of Colorado. The territory was organized in the w ...

elected a non-voting delegate at-large to Congress from 1861 to 1876. These are tables of congressional delegations from Colorado to the United States Senate and the United States House of Representatives.

Current delegation

Colorado's current congressional delegation to the consists of two senators, both of whom are Democrats, and eight representatives comprising five Democrats and three Republicans.

United States Senate

United States House of Representatives

The State of Colorado gained an beginning in 2023. The current dean of the Colorado delegation is Representative

Diana DeGette Diana Louise DeGette (; born July 29, 1957) is an American lawyer and politician serving as the U.S. representative for since 1997. A member of the Democratic Party, her district is based in Denver. DeGette was a Chief Deputy Whip from 2005 to ...

of the , having served in the House since 1997.

United States Senate

United States House of Representatives

1861–1876: 1 non-voting delegate

Starting on August 19, 1861, the

Territory of Colorado The Territory of Colorado was an organized incorporated territory of the United States that existed from February 28, 1861, until August 1, 1876, when it was admitted to the Union as the State of Colorado. The territory was organized in the w ...

sent a non-voting delegate to the House.

1876–1893: 1 seat

Following statehood on August 1, 1876, the

State of Colorado Colorado (, other variants) is a state in the Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the western edge of the ...

was granted one seat in the House.

1893–1903: 2 seats

Following the

1890 census The United States census of 1890 was taken beginning June 2, 1890, but most of the 1890 census materials were destroyed in 1921 when a building caught fire and in the subsequent disposal of the remaining damaged records. It determined the reside ...

, Colorado was apportioned with two seats.

1903–1913: 3 seats

Following the 1900 census, Colorado was apportioned with three seats.

1913–1973: 4 seats

Following the 1910 census, Colorado was apportioned with four seats.

1973–1983: 5 seats

Following the 1970 census, Colorado was apportioned with five seats.

1983–2003: 6 seats

Following the

1980 census The United States census of 1980, conducted by the Census Bureau, determined the resident population of the United States to be 226,545,805, an increase of 11.4 percent over the 203,184,772 persons enumerated during the 1970 census. It was th ...

, Colorado was apportioned with six seats.

2003–2023: 7 seats

Following the 2000 census, Colorado was apportioned with seven seats.

2023–present: 8 seats

Following the 2020 census, Colorado was apportioned with eight seats.

Key

References

{{U.S. congressional delegations

Politics of Colorado Congressional delegations

Current delegation

United States Senate

United States House of Representatives

United States Senate

United States House of Representatives

1861–1876: 1 non-voting delegate

1876–1893: 1 seat

1893–1903: 2 seats

1903–1913: 3 seats

1913–1973: 4 seats

1973–1983: 5 seats

1983–2003: 6 seats

2003–2023: 7 seats

2023–present: 8 seats

Key

See also

References