Arizona › Pima County › Arizona Senate District 21
2 candidates are tracked for Arizona Senate District 21 on the November 3, 2026 ballot: Esteban Flores and Rosanna Gabaldón. Candidate information follows official Pima County election filings; verify with the official election office linked below.
Esteban Flores (Republican), Rosanna Gabaldón (Democratic) are on the November 3 ballot for Arizona Senate District 21; Rosanna Gabaldón is the sitting member, per the azleg.gov member roster (57th Legislature). Nominees were chosen at the July 28 primary or by petition/nomination for minor parties and independents. The field is the Secretary of State's 2026 General Election (Election 69) certified candidate list, as read September 10, 2026. This seat is elected by district; only the district covering your address appears on your ballot.
Republican
Esteban Flores is the Republican candidate for Arizona Senate District 21 on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election certified candidate list.
Source: candidate campaign site, roster verified 2026-09-01.
Campaign site →Democratic · Incumbent
Rosanna Gabaldón is the Democratic candidate for Arizona Senate District 21 on the November 3, 2026 ballot, per the Secretary of State's 2026 General Election certified candidate list. Rosanna Gabaldón is a sitting member for the district, per the azleg.gov member roster (57th Legislature). Gabaldón previously served as a Sahuarita Town Council member from 2009 to 2012 before joining the Arizona House in 2013 and later the Senate, per Arizona Legislature record (leg.colorado.gov-equivalent azleg.gov service history). Gabaldón currently serves as Minority Whip for the Arizona State Senate, per Arizona Legislature record. No campaign website or questionnaire response was found as of September 10, 2026; the Secretary of State's certified candidate listing is the only verifiable source for Rosanna Gabaldón.