Colorado's 4th congressional district
U.S. House district in eastern Colorado
Colorado's 4th congressional district is a congressional district in the U.S. state of Colorado. Located in the eastern part of the state, the district encompasses most of the rural Eastern Plains, as well as portions of the Colorado Front Range, including Loveland, Highlands Ranch, Castle Rock, and Parker.
The district is currently represented by Republican Lauren Boebert. With a Cook Partisan Voting Index rating of R+9, it is the most Republican district in Colorado. It is also the wealthiest congressional district in the state of Colorado.
History
1990s
Following the 1990 U.S. census and associated realignment of Colorado congressional districts, the 4th congressional district consisted of Baca, Bent, Cheyenne, Crowley, Elbert, Kiowa, Kit Carson, Larimer, Las Animas, Lincoln, Logan, Morgan, Otero, Phillips, Prowers, Sedgwick, Washington, Weld and Yuma counties, as well as portions of Adams and Arapahoe counties.
2000s
Following the 2000 U.S. census and associated realignment of Colorado congressional districts, the 4th congressional district consisted of Baca, Bent, Cheyenne, Crowley, Kiowa, Kit Carson, Larimer, Lincoln, Logan, Morgan, Phillips, Prowers, Sedgwick, Washington, Weld and Yuma counties, as well as portions of Boulder, and Otero counties.
2010s
Following the 2010 U.S. census and associated realignment of Colorado congressional districts, the 4th congressional district consisted of Baca, Bent, Cheyenne, Crowley, Elbert, Kiowa, Kit Carson, Las Animas, Lincoln, Logan, Morgan, Otero, Phillips, Prowers, Sedgwick, Washington, Weld and Yuma counties. The district also includes portions of Adams, Arapahoe, Boulder and Douglas counties and very little portions of Larimer County.
Characteristics
This district consists mainly of the area of Colorado that is part of the Great Plains region of the United States.
“Colorado's 4th congressional district” enters the record as u.S. House district in eastern Colorado. Crown Archives preserves that source wording while asking what Colorado's, congressional and district can confirm, complicate or overturn.
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Place names and jurisdictional language are key evidence: both can reveal earlier catalogue descriptions and overlooked record series. The source revision retrieved here is dated Jul 6, 2026. The linked authority identifier is Q5148664. Authority coordinates are 39.071, -103.414. 1 of 2 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1990, 2000 and 2010.
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This entry incorporates text from “Colorado's 4th congressional district” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.