This is the 1988 race. The latest: 2026 →

1988Final results

1988 election for Arizona's 3rd District

U.S. House · Arizona

Robert Stump (R) won with 68.9% of the vote, defeating Dave Moss (D) by 40.3 points.

Robert StumpRepublican · winner
68.9%174,453
Dave MossDemocrat
28.6%72,417
John ParsonsOther party
2.5%6,460
253,330 votes

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

The seat over time

D − R margin in this seat's races around 1988

Races before and after

EvenR+26.61982R+45.31984R+40.31988R+13.21990R+27.11992R+40.31994

Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET

Money in this race

Each line compares the two campaigns on one scale.

Dave MossRobert Stump
$26.6K
Raised by the campaign
$257.2K
$26.3K
Spent by the campaign
$319.7K
$268
Cash on hand
$107.7K

Other candidates' campaigns: John Parsons $10.2K.

Campaign money: FEC, through Dec 31, 1988.

Source: FEC campaign filingsUpdated Dec 31, 1988

The candidates

Robert Stump (R)Dave Moss (D)

Also on the ballot: John Parsons (Other party), 2.5%