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Former member of Congress · last served 116th Congress

Official portrait of Sen. Tom Udall

Tom Udall

DEMOCRAT U.S. Senator · New MexicoSenate 2009–2021 · House 1999–2009 (NM-3)

Tom Udall was a Democratic U.S. senator from New Mexico, first elected to Congress in 1999, who voted with most Democrats on 97% of the 112th Congress’s yes/no votes and sponsored 6 bills that became law (113th–116th Congress).

222Bills & resolutions sponsored113th–116th Congress (excludes amendments)
14Passed a chamberof 197 substantive bills (excludes resolutions and ceremonial bills)
6Became law6 substantive + 0 ceremonial · 113th–116th Congress
7Broke with partyof 250 yes/no votes, 112th (2.8%)
1Missed votesof 251 roll calls, 112th (0.4%)
—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.

5 most recent votes

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. Udall has won

Sen. Udall has won 5 U.S. House elections (1998–2006) and 2 U.S. Senate elections (2008, 2014). Of the contested races, margins ran from 9.9 to 49.3 points.

010204060Margin of victory, points (axis starts at 0)1998, NM-3: won by 9.9 points1998NM-32000, NM-3: won by 34.4 points20002002: unopposed20022004, NM-3: won by 37.4 points20042006, NM-3: won by 49.3 points20062008, NM Senate: won by 22.7 points2008NM Senate2014, NM Senate: won by 11.1 points2014
Democratic winRepublican winseat changed partyunopposed
Elections won7 in the data (1976–2024); losses are not listed
Closest win: 9.9 points1998, NM-3
Won an open seat or took one from the other party1 of 7 elections (open seat or changed party)
Seat history, New Mexico’s 3rd districtWinners, most recent three: Tom Udall (D) 1998–2006 → Ben Ray Luján (D) 2008–2018 → Teresa Leger Fernandez (D) 2020–2024. Elections shown, not terms; special elections not included.
Seat history, New Mexico Senate (class 2)Winners in regular elections, most recent three: Pete Domenici (R) 1978–2002 → Tom Udall (D) 2008–2014 → Ben Ray Luján (D) 2020. The seat is next on the ballot in 2026.

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.

How has New Mexico done while Sen. Udall served?

2009 to 2019 in New Mexico: typical household income was about the same after inflation, the share of people below the poverty line was about the same, and the share of workers looking for a job was down 3.6 points.

Typical household income · after inflationU.S. $80.9KNew Mexico $63.9K
New Mexico: $63.2K in 2009 → $63.9K in 2019
New Mexico about the sameU.S. up 10%
Share of people below the poverty lineNew Mexico 18.2%U.S. 12.3%
New Mexico: 18.0% in 2009 → 18.2% in 2019
New Mexico about the sameU.S. down 2.0 points
Share of workers looking for a jobNew Mexico 5.5%U.S. 4.5%
New Mexico: 9.0% in 2009 → 5.5% in 2019
New Mexico down 3.6 pointsU.S. down 5.4 points

Each mini chart has its own scale, fitted to its lines (it does not start at zero), so compare the numbers, not the heights. Oxblood = state, grey = U.S.

While they served, not because of them. This shows what happened in New Mexico during Udall’s time representing it (2009 to 2021). It does not say what the member did or caused. It is not a score, and PORKER never ranks members on it.

New Mexico’s borders do not change, so every year is comparable. The Census Bureau has no 2020 yearly estimate.

See the full 20-year record →Source: U.S. Census Bureau, American Community Survey 1-year estimates (tables B19013, B17001, B23001) and BLS CPI-U-RS for inflation, retrieved October 18, 2026. “About the same” means the change is inside the 90% margins of error. Who held the seat: Congress.gov member service records, year level.

Official records on bills this member sponsored

116th Congress. What Congress.gov lists for the 69 bills sponsored.

RecordBillsSource
Bills sponsored69Source: Congress.gov member record, PORKER copy of October 26, 2026 ↗ See them →
With a CBO cost estimate listed6See the 6 →
With a committee report listed6See the 6 →
Evidence
How counted
Bills where this member is the lead (first-listed) sponsor in the 116th 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.

Open full dossier →

Data as of Oct 26, 2026 · latest recorded Senate vote Sep 30, 2026 · Sources: Congress.gov, Senate.gov, House Clerk, Appropriations Committee earmark tables. PORKER is non-partisan.