2018 Connecticut State Treasurer election
The 2018 Connecticut State Treasurer election took place on November 6, 2018, to elect the next Connecticut State Treasurer. Five-term incumbent Democratic Party Treasurer Denise Nappier did not seek re-election. Democratic nominee Shawn Wooden defeated Republican nominee Thad Gray with 55.1% of the vote.
Democratic primary
Candidates
Nominee
- Shawn Wooden, attorney and former member of the Hartford City Council
Eliminated in primary
Declined
- Denise Nappier, incumbent state treasurer
Republican primary
Candidates
Nominee
- Thad Gray, former CIO of Abbot Capital Management
Eliminated in primary
General election
Results
By congressional district
Wooden won all five congressional districts.| District | Wooden | Gray | Representative |
| 59% | 39% | John B. Larson | |
| 52% | 47% | Joe Courtney | |
| 58% | 41% | Rosa DeLauro | |
| 56% | 43% | Jim Himes | |
| 51% | 48% | Elizabeth Esty | |
| 51% | 48% | Jahana Hayes |