1996Final results
1996 election for Arizona Legislative District 20
Arizona State Senate · Arizona
Mary Hartley (D) won with 58.7% of the vote, defeating Deanna Sparks (R) by 22.6 points.
Mary HartleyDemocrat · winner · incumbent
58.7%15,301
Deanna SparksRepublican
36.1%9,401
Richard Lee DuncanLibertarian
5.2%1,352
26,054 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1996
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET