Greg Lopez

Former Representative for Colorado’s 4th District, 2024–2025 · Republican

Record from the 118th Congress · From public records: votes from Voteview, bills from congress.gov, money from FEC filings · votes updated Nov 10, 2026 · How we measure

Effectiveness, 118th Congress

How it’s measured

0.05· expected 1.38

Below expectations

Rank 434 of 445 who served in the House that Congress · expected = average of 227 majority-party members

How far Lopez’s own bills got, weighted by substance. The average member scores 1.00.

Introduced 4
Action in committee 1
Action beyond committee 0
Passed chamber 0
Became law 0

4 bills and joint resolutions sponsored: 0 significant (got a roll call vote), 4 substantive, 0 commemorative. Compare the House

How Lopez’s ratings compare with every representative

Ratings, 118th Congress

Scores run 0–100 and always sit next to a median. Each tick is one representative; the ringed marker is Lopez. Medians and ranks are among everyone who served in the 118th Congress’s House.

Lopez in plain answers: party votes, bipartisanship, who votes alike

Attendance

How it’s measured

99/ 100

Chamber median 98 · 2 missed of 181

Voted on 179 of 181 roll calls; missed 2. Higher than 72% of House members.

35%100%

Party loyalty

How it’s measured

98/ 100

House R median 95 · Rank 76 of 227

Sided with the Republican majority on 126 votes that split the parties. Higher than 52% of House members.

50%100%

Bipartisan

How it’s measured

9/ 100

Chamber median 16 · −7

Average agreement with members of the other party on contested votes. Lower than 89% of House members.

0%60%

Position

How it’s measured

+0.89

Republican middle 80%: 0.31 to 0.71

Left–right position from roll-call similarity (DW-NOMINATE, Voteview), from −1 to +1. Members who vote alike sit near each other.

LiberalConservative

Lopez’s bills that got action in committee or further

All bills

1 bill sponsored in the 118th Congress, furthest along first. These are the bills counted in Lopez’s effectiveness score.

H.R. 9978 Red Card Guest Worker Act of 2024Immigration · In committee Dec 17, 2024Substantive1.2k words In committee

Stage comes from each bill’s latest action on congress.gov; the full history is on each bill page.