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Former member of Congress · last served 102nd Congress

Official portrait of Sen. Timothy Wirth

Timothy Wirth

DEMOCRAT U.S. Senator · ColoradoSenate 1987–1993 · House 1975–1987 (CO-2)

Timothy Wirth was a Democratic U.S. senator from Colorado, first elected to Congress in 1975, who sponsored 4 bills that became law (100th–102nd Congress).

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72Bills & resolutions sponsored100th–102nd Congress (excludes amendments)
11Passed a chamberof 72 bills & resolutions sponsored
4Became law4 substantive + 0 ceremonial · 100th–102nd Congress
—Broke with partyNo roll calls in PORKER’s records (they start in 2011)
—Missed votesNo roll calls in PORKER’s records (they start in 2011)
—Pork: own shareFY2024 earmarks: not in office

How we count: “Broke with party” is a yes/no roll call where the member voted against most of their own party on that vote (party as recorded; even splits not counted). “Pork: own share” splits each earmark shared by several members evenly among them.

Recent votes

No recorded roll-call votes in PORKER’s records. Roll-call records start in 2011.

5 most recent bills

Top bills sponsored

Laws first, then bills that passed a chamber, were reported from committee, or drew the most cosponsors.

Elections Sen. Wirth has won

Sen. Wirth has won 5 U.S. House elections (1976–1984) and 1 U.S. Senate election (1986). Of the contested races, margins ran from 1.0 to 25.4 points.

010204060Margin of victory, points (axis starts at 0)1976, CO-2: won by 1.0 points1976CO-21978, CO-2: won by 5.8 points19781980, CO-2: won by 15.3 points19801982, CO-2: won by 25.4 points19821984, CO-2: won by 7.7 points19841986, CO Senate: won by 1.6 points1986CO Senate
Democratic winRepublican winseat changed partyunopposed
Elections won6 in the data (1976–2024); losses are not listed
Closest win: 1.0 points1976, CO-2
Won an open seat or took one from the other party1 of 6 elections (open seat or changed party)
Seat history, Colorado’s 2nd districtWinners, most recent three: Mark Udall (D) 1998–2006 → Jared Polis (D) 2008–2016 → Joe Neguse (D) 2018–2024. Elections shown, not terms; special elections not included.
Seat history, Colorado Senate (class 3)Winners in regular elections, most recent three: Ben Campbell (D) 1992–1998 → Ken Salazar (D) 2004 → Michael F. Bennet (D) 2010–2022. The seat is next on the ballot in 2028.

Full election history for this seat →

Source: MIT Election Data and Science Lab, U.S. House V15 / U.S. Senate V8 (CC0), retrieved 2026-10-18; winners matched to member records by seat and term. Results run through the 2024 elections; nothing from 2026 is shown until it is certified. A margin is a fact about one election, never a score of how well a member represents anyone, and PORKER does not rank members by it.

Official records on bills this member sponsored

102nd Congress. What Congress.gov lists for the 32 bills sponsored.

RecordBillsSource
Bills sponsored32Source: Congress.gov member record, PORKER copy of October 26, 2026 ↗ See them →
With a CBO cost estimate listed0None listed
With a committee report listed0None listed
Evidence
How counted
Bills where this member is the lead (first-listed) sponsor in the 102nd Congress, read from the stored Congress.gov bill records
Fields
cboCostEstimates, committeeReports, constitutionalAuthorityStatementText, notes
PORKER copy refreshed
October 26, 2026 (nightly)

Read this first. These are counts of records Congress.gov lists. Many bills never get a CBO estimate or a report, so a zero is not a mark against a member. We never show this as a score.

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Data as of Oct 26, 2026 · Sources: Congress.gov, Senate.gov, House Clerk, Appropriations Committee earmark tables. PORKER is non-partisan.