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Mario Diaz-Balart

Republican · FL-26 · U.S. House

On the ballot in 2026

Mario Diaz-Balart is not among the listed candidates for this seat — the seat is still up in 2026, as every House seat is. Nicole Locklin vs. Mario Díaz-Balart. Runs on a newly enacted district map.

Full forecast, candidates and polls for this seat →

Bio

Mario Rafael Díaz-Balart y Caballero is an American politician serving as the U.S. representative for Florida's 26th congressional district. A member of the Republican Party, he was elected in 2002, and his district includes much of northwestern Miami-Dade County, including Hialeah, and much of the northern portion of the Everglades.

Full bio on Wikipedia →

Record of service

In office
23.7 years
First took office
2003 (12 terms)
Seniority
40 of 439 by time served
Age
65
Family in Congress
  • brother of Lincoln Diaz Balart
District offices
  • Doral, FL · 305-470-8555
  • Naples, FL · 239-348-1620

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

2019
−$402k
2020
−$237k
2021
−$94k
2022
−$59k
2023
−$102k
2024
$73k
2025
$116k
Most recent filing (2025)
Assets
$55k – $176k
Liabilities
$0 – $0
Net worth
$55k – $176k
Since 2019
+$518k
Largest holdings in the 2025 filing · 7 assets reported
Bank of America Savings Account$50k – $100k
Roth IRA- Fidelity Cash Reserves Fidelity Magellan$1k – $15k
Apple Inc. (AAPL)$1 – $1k

Largest first, capped at 40 line items. Each is the asset's reported value bracket, not the income it produced.

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)

LeftCenterRight

Issue profile

FiscalHealthImmig.GunsAbortionEnviron.CrimeDefenseEconomyForeignCivil R.Educ.GovtJudicial
Taxes & Fiscal
R+0.73
Healthcare
R+0.64
Immigration & Border
R+0.74
Guns
R+0.92
Abortion & Reproductive Rights
R+0.94
Environment & Energy
R+0.73
Crime & Policing
R+0.81
Defense & Veterans
R+0.71
Economy & Labor
R+0.69
Foreign Policy & Trade
R+0.58
Civil Rights & Social
R+0.04
Education
R+0.74
Government & Democracy
R+0.82
Judicial & Executive Nominations
R+0.50

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

Mario Diaz-Balart'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

Mario Diaz-Balart (the large ringed dot) among every current member of Congress and the party platforms.

Socially conservativeSocially progressiveEconomic leftEconomic rightDiaz-Balart

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.

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Caucuses & committees

Where Diaz-Balartsits 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.

Caucuses

Most and least aligned members

Treating Diaz-Balart'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

YEA
Retire through Ownership Act
2026-09-16 · Passed · Economy & Labor, Taxes & Fiscal
YEA
National Fraud Enforcement Division Act of 2026
2026-09-16 · Passed · Crime & Policing, Government & Democracy
YEA
Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the "California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision".
2026-09-16 · Passed · Environment & Energy
YEA
Water Resources Development Act of 2026
2026-09-16 · Passed · Environment & Energy, Economy & Labor
YEA
National Fraud Enforcement Division Act of 2026
2026-09-16 · Passed · Crime & Policing, Government & Democracy
YEA
Diesel Emissions Reduction Act of 2025
2026-09-15 · Passed · Environment & Energy, Economy & Labor
YEA
Whistleblower Protection Act of 2025
2026-09-15 · Passed · Government & Democracy
YEA
Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision".
2026-09-15 · Passed · Environment & Energy
YEA
Providing for consideration of the bill (H.R. 9576) to establish the National Fraud Enforcement Division of the Department of Justice; providing for consideration of the bill (H.R. 10326) to enhance information-sharing capabilities between Federal law enforcement and State agencies to detect, investigate, and prosecute fraud in certain Federal programs, and to protect individual privacy; providing for consideration of the joint resolution (H.J. Res. 210) providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to ‘‘California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision''; providing for consideration of the joint resolution (H.J. Res. 213) providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the ‘‘California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision''; and providing for consideration of the Senate amendments to the bill (H.R. 5334) to amend the Internal Revenue Code of 1986 to allow early childhood educators to take the educator expense deduction, and for other purposes.
2026-09-15 · Passed · Government & Democracy, Crime & Policing, Environment & Energy, Taxes & Fiscal, Education
YEA
GUARD Act
2026-09-15 · Passed · Crime & Policing, Economy & Labor
YEA
Fostering the Use of Technology to Uphold Regulatory Effectiveness in Supervision Act
2026-09-15 · Passed · Economy & Labor, Government & Democracy
YEA
Providing for consideration of the bill (H.R. 9576) to establish the National Fraud Enforcement Division of the Department of Justice; providing for consideration of the bill (H.R. 10326) to enhance information-sharing capabilities between Federal law enforcement and State agencies to detect, investigate, and prosecute fraud in certain Federal programs, and to protect individual privacy; providing for consideration of the joint resolution (H.J. Res. 210) providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to ‘‘California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth; Notice of Decision''; providing for consideration of the joint resolution (H.J. Res. 213) providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the ‘‘California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision''; and providing for consideration of the Senate amendments to the bill (H.R. 5334) to amend the Internal Revenue Code of 1986 to allow early childhood educators to take the educator expense deduction, and for other purposes.
2026-09-15 · Passed · Government & Democracy, Crime & Policing, Environment & Energy, Taxes & Fiscal, Education

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