2018Final resultsSpecial election
2018 special election for Arizona's 8th District
U.S. House · Arizona
Debbie Lesko (R) won with 52.4% of the vote, defeating Hiral Tipirneni (D) by 4.7 points.
Debbie LeskoRepublican · winner
52.4%96,012
Hiral TipirneniDemocrat
47.6%87,331
183,343 votes
Source: Federal Election CommissionUpdated Oct 3, 2026, 3:20 AM ET
The seat over time
D − R margin in this seat's races around 2018
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)
Polls against the result
- Poll with Tipirneni ahead
- Poll with Lesko ahead
- Result
| Pollster | Dates | Sample | Tipirneni | Lesko | Margin | Adjusted | Miss vs result | Grade | Release |
|---|---|---|---|---|---|---|---|---|---|
| Emerson College | Apr 21 | 400 | 43 | 49 | R+6 | — | −1.3 | A+ | Wikipedia |
| Lake Research PartnersD-sponsored | Apr 15 | 408 | 46 | 46 | Even | — | +4.7 | B+ | Wikipedia |
| Emerson College | Apr 14 | 400 | 46 | 45 | D+1 | — | +5.7 | A+ | Wikipedia |
| Noble Predictive Insights | Apr 11 | 500 | 43 | 53 | R+10 | — | −5.3 | A | Wikipedia |
Adjusted: after correcting for the pollster's house effect and likely-voter screens. Miss: the poll's margin minus the result; + means the poll leaned Democratic. Grade: the pollster's accuracy in past elections, A+ to D (pollster ratings).
Source: Each poll's release, via FiveThirtyEight poll listsUpdated Apr 21, 2018