Bill Cassidy
Republican · LA · U.S. Senate
Bio
William Morgan Cassidy is an American politician and physician who is the senior United States senator from Louisiana, a seat he has held since 2015. A member of the Republican Party, he served in the Louisiana State Senate from 2006 to 2009 and in the U.S. House of Representatives from 2009 to 2015. Cassidy has chaired the Senate Health, Education, Labor, & Pensions (HELP) Committee since 2025.
Full bio on Wikipedia →Record of service
- In office
- 17.6 years
- Chambers
- House 6y, Senate 11.6y
- First took office
- 2009 (5 terms)
- Seniority
- 36 of 100 by time served
- Age
- 68
- Senate class
- 2 · senior senator
- Lafayette, LA · 337-261-1400
- Metairie, LA · 504-838-0130
- Monroe, LA · 318-324-2111
- Lake Charles, LA · 337-602-7253
- Baton Rouge, LA · 225-929-7711
- Shreveport, LA · 318-798-3215
- Alexandria, LA · 318-448-7176
Service history, offices and identifiers from unitedstates/congress-legislators (public domain). Years served sum each term rather than subtracting the first start date, so a break in service is not counted as time in office.
Reported net worth
- Assets
- $104k – $310k
- Liabilities
- $1.0M – $2.0M
- Net worth
- −$1.9M – −$690k
- Since 2014
- −$2.8M
From annual financial disclosures, which report every asset and debt as a bracket — so these are ranges, and the figure shown is their midpoint. A primary residence is not a reportable asset while its mortgage is a reportable debt, which pushes some members negative. How this is calculated →
Overall lean (DW-NOMINATE)
Issue profile
Each issue runs left ↔ right, scored from how the member voted on bills tagged to that issue (−1…+1). Issues with too few votes are blank. Overall lean uses DW-NOMINATE.
How they score against the parties
Bill Cassidy's voting record compared with each party's national platform, issue by issue — the same similarity score used across the site.
On the political map
Bill Cassidy (the large ringed dot) among every current member of Congress and the party platforms.
Each small dot is a current member (Dem · Rep); the larger dots are party platforms — click one for its closest members. Economic axis: taxes, healthcare, labor, energy. Social axis: abortion, guns, immigration, civil rights, crime.
Do you vote like Cassidy?
Answer a few questions on the issues and see which members of Congress — and which party — actually line up with you.
Caucuses & committees
Where Cassidysits in Congress's own organization — each group's lean is computed from its members' voting records. Explore them all on the caucuses and committees pages.
Committees
- Senate Committee on Energy and Natural Resourcescenter · 20 members
- Senate Committee on Financecenter · 27 members
- Senate Committee on Veterans' Affairscenter · 19 members
Most and least aligned members
Treating Cassidy's 14 issue scores as a vector, cosine similarity measures whether two voting records point the same way (+100%) or in opposite directions (−100%) — the colleagues whose records align most and least with theirs.
Recent notable votes
Latest news
‘The Student in Student-Athlete Should Still Matter’ — Senator Bill Cassidy Ready to Take Action Over Hullabaloo Around Penn State Star Rocco BechtPenn State Nittany Lions quarterback Rocco Becht has been named to several elite preseason watch lists after following coach Matt Campbell from Iowa State. Becht is the winningest active quarterback in college football, but that wasn’t enough to shield him fr…
Pro Football Network · August 22, 2026
The 5 Outrageous Things Trump’s New Attorney General Has Already DoneIn just his first week in office, Todd Blanche has inflicted more damage on the norms and traditions of the Department of Justice than any attorney general in its history. I don’t say this casually, and I’m not ignoring the competition. John Mitchell ran Rich…
The New Republic · August 21, 2026- Michigan holds line on vaccines for kids despite Trump executive order - Detroit Free Press
Michigan holds line on vaccines for kids despite Trump executive orderDetroit Free Press Republican senator denounces Trump’s ‘crazy, stupid’ claims about MMR vaccine safetyThe Guardian Drugmakers uninterested in Trump’s order to split up MMR vaccineThe Hill …
Slashdot.org · August 20, 2026 - N.J. health officials say they will not adjust child vaccine schedule following Trump executive order - NJ.com
N.J. health officials say they will not adjust child vaccine schedule following Trump executive orderNJ.com Republican senator denounces Trump’s ‘crazy, stupid’ claims about MMR vaccine safetyThe Guardian Drugmakers uninterested in Trump’s order to split up M…
Slashdot.org · August 20, 2026
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