Congress is out of session until Monday, November 9 for the midterm campaign. No new roll-call votes until then; the last were the House on Sep 16 and the Senate on Sep 30.

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

Greg Lopez

Republican 1st term Former member

Replaced Ken Buck in 2024

Record from the 118th Congress · From public records: votes from Voteview, bills from congress.gov, money from FEC filings · votes updated Nov 2, 2026 · How we measure

98LoyaltyMed 95
99AttendMed 98
9BipartMed 16
3BreaksMed 35
In office
House 2024–2025
Under a year in Congress

Left office. Lopez left the House on Jan 3, 2025, when the term ended. Succeeded by Lauren Boebert (Republican) in January 2025.

Bottom line

Activity

118th CongressJan 3, 2023 to Jan 3, 2025Method
By week
Statements
tracked from Jan 2025
Bills introduced
Roll calls
Breaks with party
By yearStatementsStmtsBills sponsoredSpons.Bills passedPassedCosponsoredCospon.Roll callsVotesBreaks with partyBreaks
118th Congress2023–24not tracked—50561813

Counts, not a score: statements as the Statements tab counts them, bills by introduction date, roll calls the member voted in, breaks on party-line votes.

1

What did he focus on?

MethodIssues tab →
Taxation no statements 20%
Government Operations and Politics no statements 40%
Immigration no statements 40%

StatementsBills

No counted statements yet; bills go to Government Operations and Politics and Immigration.

  • 5 bills sponsored, most on Government Operations and Politics.
  • Statements: our record starts in January 2025.
2

Did he have influence?

MethodBackground tab →

Committee seats are shown for sitting members only.

Committee and party posts are shown for sitting members only.

  • Under a year in Congress.
5

Who did he work with?

MethodWho votes alike →

His cosponsorships on Democratic bills: not measured yet (it needs five sponsored bills and a cosponsorship).

Closest across the aisle

Closest across the aisle Pro The members of the other party who vote most like Lopez.

Free account See Pro

Agreement on contested votes where both cast yea or nay, in that Congress · Voteview

His share of cosponsorships across the aisle is not measured yet; closest in his party: Spartz and Bean.

  • Other-party share of cosponsors on his own bills: not yet tracked.
  • Caucus memberships: not yet tracked.
3

Could he get things done?

MethodBills tab →

His billsExpected for a peer

Introduced 4 · expected 18.5
Action in committee 1 · expected 8.5
Beyond committee 0 · expected 3
Passed House 0 · expected 2
Became law 0 · expected 0
EffectivenessRank 434 of 445 in the House

0.05expected 1.04 · average member 1.00

0 of 4 bills passed the House; 0 became law; effectiveness 0.05 against a peer median of 1.04.

  • Amendments offered and adopted, earmarks in dollars: not yet tracked.

118th Congress · bills from congress.gov

4

Where did he stand?

MethodVotes tab →
Position, all votesDW-NOMINATE +0.89

With his party on all 4 areas with 10 or more party-line votes.

Major bills of the Congress · final passage

Voted with his party on 0 of the 1 he voted on.

The same ten bills on every profile, chosen by a rule from the roll calls, statements and lobbying filings on file · Method · party column: Republicans yea–nay on that roll call.

Voted with Republicans on 98% of party-line votes, broke 3 times (peer median 31).

  • Position: +0.89, outside the Republican middle 80%.
  • Most breaks by area: Economics and Public Finance 3 of 36.

Distance from party, not an ideology score · areas under 10 party-line votes not shown.

6

Who backed him?

MethodMoney tab →

The money record for a former member is on the Money tab.

7

Did his words match his actions?

MethodPositions tab →

Positions are being checked before they go public; this question fills in when they are.