2022Final resultsIncumbent defeated
2022 election for Arizona Legislative District 4
Arizona State Senate · Arizona
Christine Marsh (D) won with 50.4% of the vote, defeating Nancy Barto (R) by 1.0 points.
Christine MarshDemocrat · winner · incumbent
50.4%62,205
Nancy BartoRepublican · incumbent
49.5%61,016
123,331 votes
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET
The seat over time
D − R margin in this seat's races around 2022
Races before and after
Source: MIT Election Data and Science LabUpdated Oct 2, 2026, 5:14 AM ET