- Lead
- 1,896
- Total
- 20,761
- vs nation
- D+10.6
Massachusetts 145th State House District
President margin by year
Place winner margin
President results by year
Modeled candidate-vote estimate on current district boundaries
- Lead
- 3,754
- Total
- 21,523
- vs nation
- D+13.0
- Lead
- 1,642
- Total
- 19,984
- vs nation
- D+6.1
- Lead
- 1,243
- Total
- 18,500
- vs nation
- D+2.9
- Lead
- 2,116
- Total
- 18,344
- vs nation
- D+4.3
- Lead
- 2,047
- Total
- 17,203
- vs nation
- D+14.4
- Lead
- 2,663
- Total
- 15,592
- vs nation
- D+16.6
- Lead
- 3,884
- Total
- 14,591
- vs nation
- D+18.1
Key facts
- 2024 presidential margin
- D+9.1MIT Election Lab
- Population
- 43,7822024 5-year
- Population density
- 1,520 / sq mi2024 5-year · TIGER/Line
- Land area
- 28.8 sq miTIGER/Line
- Median household income
- $83,8162024 5-year
- White (non-Hispanic)
- 64.0%2024 5-year
- Black
- 6.4%2024 5-year
- Hispanic / Latino
- 18.9%2024 5-year
- Peak Democratic margin
- D+52.6 in 1964MIT Election Lab
- Peak Republican margin
- R+53.2 in 1896MIT Election Lab
- Most similar
- 10th Worcester District, MA · twin score 92.7
presidential history
Party record book
Massachusetts 145th State House District · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 (partial returns from 1876) · 38 presidential cycles · 38 with a vote-share denominator · 34 with a national benchmark
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
76.1%
10,376 votes · D+52.6 · modeled estimate
Runner-up · Hubert Humphrey, 1968 · 62.5%
Republican
William McKinley1896
72.5%
1,868 votes · R+53.2 · modeled estimate
Runner-up · Warren G. Harding, 1920 · 69.6%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Joe Biden2020
12,344votes
57.4% of the vote · D+17.4 · modeled estimate
Runner-up · Kamala Harris, 2024 · 10,955 votes
Republican
Donald Trump2024
9,059votes
43.6% of the vote · D+9.1 · modeled estimate
Runner-up · Donald Trump, 2020 · 8,590 votes
Best relative to the U.S.
This Place’s margin against the national margin in the same election — positive when it leaned toward the party more than the country did.
Democratic
Lyndon B. Johnson1964
+30.0pts D vs U.S.
Place D+52.6 · U.S. D+22.6 · modeled estimate
Runner-up · Hubert Humphrey, 1968 · +28.9 pts
Republican
William McKinley1896
+47.1pts R vs U.S.
Place R+53.2 · U.S. R+6.1 · modeled estimate
Runner-up · William H. Taft, 1912 · +33.6 pts
Current officeholders
State legislative officeholder from OpenStates nightly current-legislator data.
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row is a county-allocated estimate of U.S. House votes for this district — county returns apportioned onto its boundary, not precinct-counted. “Vote lead” is the estimated local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2024 | D | 100.0%13,368 | 0.0%0 | 13,368 |
| 2020 | D | 68.9%13,752 | 31.1%6,203 | 19,955 |
Anchored in central Massachusetts, the 4th Worcester District recorded a D+9.1 presidential margin in 2024, reflecting a competitive but reliably center-left lean typical of mixed suburban-rural districts ringing Worcester city.
Across the recorded series it reached a Democratic high of 52.6 points in 1964 and a Republican high of 53.2 points in 1896. Between 2020 and 2024 the district moved 8.3 points toward the Republican candidate; the 2024 margin was 9.1 points.
A population of 43,782, a 64% non-Hispanic-white share, and a median household income of $83,816 describe the district. The district's voting pattern over the last decade is most similar to that of 10th Worcester District and 3rd Worcester District.
The state-house districts whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Twin score (0–100) = weighted cosine between tier-standardized fingerprints: presidential margins 2000–2024 with 12-yr trend and elasticity, ACS income, age, education, population and race, top reported ancestries, and religious adherence — chips name the closest-shared dimensions and the widest gap. Re-weight the groups in the twins explorer.
District research tools
Open the source-auditable district brief for electoral baseline, electorate, current-cycle coverage, geography, official dates, and methodology. Open campaign intelligence report → · Browse all comparisons →
Massachusetts 145th State House District. Akashic. https://akashic.app/sld-lower/25145/. Accessed May 20, 2026. License: CC BY 4.0.