DemocraticIncumbent
Dave Robertson
- Experience
- State legislature
Massachusetts › Massachusetts House of Representatives · State legislature · November 3, 2026 · Updated Oct 16, 2026
Massachusetts House of Representatives: 19th Middlesex District
Dave Robertson has no major-party opponent.
Dave Robertson has no major-party opponent.
The candidates
The district
Lean D+3: how much more Democratic or Republican than the nation it votes for president.
Presidential vote
Precinct results re-aggregated to the current district lines.
Who lives here
- Population
- 36,566
- People per km²
- 519
- Adults with a B.A.+
- 46%
- White, no degree
- 49%of adults
- White 86%
- Hispanic 4%
- Black 1%
- Asian 4%
- Other / multiracial 5%
American Community Survey 2020–2024, aggregated from census tracts.
Past results
Results in the same-numbered district; earlier elections may have used different lines.
2024
23,869 votes · D+15.0✓ David Allen Robertson (D)52.6%
Paul Sarnowski (R)38.9%
George Hugh Ferdinand (—)8.5%
2024 President Vote in this district
25,005 two-party votes · D+1.4 · D+2.9 vs. the nation✓ Kamala Harris (D)50.7%
Donald Trump (R)49.3%
2022
18,217 votes · D+12.6✓ David A Robertson (D)56.3%
Paul Sarnowski (R)43.7%
2020 Earlier district lines
25,058 votes · D+12.9✓ David Allen Robertson (D)56.4%
Alec M Difruscia (R)43.6%
2020 President Vote in this district
32,640 two-party votes · D+7.2 · D+2.7 vs. the nation✓ Joe Biden (D)53.6%
Donald Trump (R)46.4%
2016 President Vote in this district
27,879 two-party votes · R+3.4 · R+5.6 vs. the nation✓ Donald Trump (R)51.7%
Hillary Clinton (D)48.3%
Also on the ballot in Massachusetts
Neighboring districts
17th MiddlesexHarini Aiyer—D vs D>99%Dem.>99%Dem. 18th EssexConnor MurrayChristopher Shepley>99%Dem.99%Dem. 20th MiddlesexJoseph MarkeyTrevor CurrierD flipD flip85%Dem.91%Dem. 21st MiddlesexKen Gordon—>99%Dem.>99%Dem. 22nd MiddlesexDaniel Darris-O'ConnorMarc LombardoFlip riskD flip53%Dem.87%Dem. 30th MiddlesexRichard Haggerty—D vs D>99%Dem.>99%Dem.