Elections for all 30 seats in the Arizona State Senate will take place on Nov. 8, 2022. Republicans hold a 16-14 majority heading into the election.

This article details the five most expensive contested general elections in the State Senate.

This information comes from candidate reports to the Arizona Secretary of State covering the period of Jan. 1, 2021, through July 16, 2022.

Five general elections with the most fundraising

#1 District 7 – $3,054,403

Incumbent Wendy Rogers (R) raised $3,031,207 and Kyle Nitschke (D) raised $23,196.

#2 District 4 – $329,752

Incumbent Nancy K. Barto (R) raised $151,780 and Incumbent Christine Marsh (D) raised $177,971.

#3 District 12 – $197,181

Denise Epstein (D) raised $165,653 and David Richardson (R) raised $31,528.

#4 District 9 – $194,060

Eva Burch (D) raised $136,803 and Robert Scantlebury (R) raised $57,257.

#5 District 2 – $173,850

Jeanne Casteen (D) raised $115,932 and Steve Kaiser (R) raised $57,918.

The data above are based on campaign finance reports that active Arizona PACs submitted to the Arizona Secretary of State. Political expenditures that are not controlled by candidates or their campaigns, known as satellite spending, are not included in candidate totals. Federal PACs are not required to report to state agencies.

Transparency USA publishes campaign finance data following major reporting deadlines. State or federal law may require filers to submit additional reports. Data from additional reports due in between the deadlines below are published along with the reports listed here.

This article is a joint publication from Ballotpedia and Transparency USA, who are working together to provide campaign finance information for state-level elections. Learn more about our work here.