U.S. House Candidate Profile

Mario Diaz-Balart

Updated October 24, 2026

RepublicanU.S. HouseFlorida26

Background

Mario Rafael Díaz-Balart y Caballero (born September 25, 1961) 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.

Díaz-Balart has been the dean of Florida's congressional delegation since April 2021.

Source: Wikipedia, "Mario Díaz-Balart" (en.wikipedia.org/wiki/Mario_D%C3%ADaz-Balart), text available under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0/). Excerpt of the article's lead section; pronunciation guides and citation markers removed.

Last updated 2026-10-24.

Sourced summary

Mario Diaz-Balart served as U.S. unitedstates.github.io

Mario Diaz-Balart was born on 1961-09-25. unitedstates.github.io

Mario Diaz-Balart's gender is recorded as M in the unitedstates/congress-legislators dataset. unitedstates.github.io

Mario Díaz-Balart is the Chairman of the Subcommittee on National Security, Department of State, and Related Programs mariodiazbalart.house.gov

Mario Díaz-Balart is the Vice Chair of the House Committee on Appropriations mariodiazbalart.house.gov

Mario Díaz-Balart is the Dean of the Florida Delegation mariodiazbalart.house.gov

Mario Diaz-Balart is listed by the FEC as a Republican candidate for U.S. api.open.fec.gov

Finance snapshot

Mario Diaz-Balart's FEC candidate id is H2FL25018

Race and district

Other indexed profiles in this race.

Nicole Locklin (Democratic), Yurina Gil (Democratic).

Full Research & Receipts

Claim-level receipts, campaign-finance detail, donor-network analysis, and the full research book for this profile are reserved for signed-in, entitled OppIntell customers.

Unlock full profile

Free Sample Brief

See what a receipted OppIntell brief on Mario Diaz-Balart looks like before you buy: a short sample of source-cited findings (plus campaign-finance totals where filings exist), delivered to your inbox after a one-step email confirmation.

Get a free sample brief