Seth Miller
State Representative, New Hampshire House, Strafford 21 · Democrat
OfficeholderOn the 2026 ballotIncumbent · New Hampshire House, Strafford 21 · Nov 3 General
Ballot status source: New Hampshire Secretary of State — Elections Division, CANDIDATE LIST W/ ADDRESS - 09/17/2026, 2026 General Election: HD-STRAFFORD-21, Seth Miller (DEM) · read Sep 24, 2026
The District
What New Hampshire House, Strafford 21 covers
Covers part of Strafford County.
Includes Dover Ward 1, Dover Ward 2, Dover Ward 3, Dover Ward 5 and Dover Ward 6.
6 precincts · District lines: Floterial district: union of the towns/wards listed for it in the NH General Court '2022 State Representative and Republican Delegate Districts' (gc.nh.gov/downloads), town/ward shapes from U.S. Census Bureau 2020 VTDs · Precinct lines: NH GRANIT (NH Office of Planning and Development GIS clearinghouse), — towns and city wards as redistricted in 2022 (nhgeodata.unh.edu APB_ElectoralDistricts/FeatureServer/11)
Results
Certified results for New Hampshire House, Strafford 21
State Representative, Strafford District 21
2024 State General Election · Nov 5, 2024| Candidate | Party | Votes | Share |
|---|---|---|---|
| Luz BayDemocrat | Democrat | 9,261 | 22.4% |
| Seth MillerDemocrat | Democrat | 8,809 | 21.3% |
| Geoffrey SmithDemocrat | Democrat | 8,417 | 20.3% |
| Renee L. BlaisdellRepublican | Republican | 5,173 | 12.5% |
| Gary FratusRepublican | Republican | 4,860 | 11.7% |
| John V. CaggianoRepublican | Republican | 4,836 | 11.7% |
Official — New Hampshire Secretary of State general election results by town/ward · New Hampshire Secretary of State — general election results workbooks
State Representative, Strafford District 21
2022 State General Election · Nov 8, 2022| Candidate | Party | Votes | Share |
|---|---|---|---|
| BayDemocrat | Democrat | 7,674 | 23.4% |
| TreleavenDemocrat | Democrat | 7,241 | 22.1% |
| SmithDemocrat | Democrat | 6,976 | 21.3% |
| HastingsRepublican | Republican | 3,753 | 11.4% |
| CastaldoRepublican | Republican | 3,642 | 11.1% |
| CaggianoRepublican | Republican | 3,526 | 10.7% |
Official — New Hampshire Secretary of State general election results by town/ward · New Hampshire Secretary of State — general election results workbooks
State Representative, Strafford District 21
2020 State General Election · Nov 3, 2020| Candidate | Party | Votes | Share |
|---|---|---|---|
| SandlerDemocrat | Democrat | 6,876 | 56.0% |
| MunckRepublican | Republican | 5,395 | 44.0% |
| Write-in | 3 | 0.0% |
Official — New Hampshire Secretary of State general election results by town/ward · New Hampshire Secretary of State — general election results workbooks
The 2026 Field
Who else is running for New Hampshire House, Strafford 21
- Geoff SmithDemocrat · Incumbent · On the 2026 ballot
- Joseph D. MorganellaRepublican · On the 2026 ballot · Not yet in our records
- Alice WadeDemocrat · On the 2026 ballot
Not on file for Seth yet: Key Votes, Their Money, Advertising, In Their Words, In the News, Reach Them, Polls, The Paper Trail. Coverage varies by state and office.
File read Sep 25, 2026. Each item names its source. Record ID p_rfn2z2fvv.
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