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Colorado's 1st Congressional District

Results updated Nov 7, 1:00 AM ET

Melat Kiros (Democrat) won Colorado's 1st Congressional District in 2026, defeating Christy Peterson 78.3% to 14.1%. Melat Kiros takes office on January 3, 2027, succeeding Diana DeGette.

Map of Colorado's 1st Congressional District (2026 lines)
Representative-electMelat Kiros (D)
Current representativeDiana DeGette (D), through January 3, 2027
District linesUnchanged for 2026
Partisan lean (PVI)D+29
PoliGov final forecastSafe D · Melat Kiros >99%, Christy Peterson <1%

2026 results

Called

CandidateVoteVotes
Melat Kiros (D)78.3%237,993
Christy Peterson (R)14.1%42,906
Shimon Blau (I)5.5%16,604

86% of the expected vote counted. Vote counts are unofficial until certified.

Other Colorado districts

CO-2 · CO-3 · CO-4 · CO-5 · CO-6 · CO-7 · CO-8

All Colorado districts · Colorado forecast and results · Colorado senators · Colorado governor

Results and race calls: civicAPI, updated Nov 7, 1:00 AM ET. Vote counts are unofficial until certified.