HarrisDemocratic61.2%214,067TrumpRepublican36.6%128,075SteinIndependent1.1%3,917
D+24.6- Lead
- 85,992
- Total
- 349,950
- vs nation
- D+26.0
Akashicmetro area
Portland-South Portland, ME
Office (updates table and map)
President margin by year
Place winner margin
3 counties by 2024 margin · County returns · MIT Election Lab
President results by year
Vote totals, margins, and source status
BidenDemocratic60.8%213,476TrumpRepublican35.3%124,156OtherAll other candidates3.9%13,604
D+25.4- Lead
- 89,320
- Total
- 351,236
- vs nation
- D+21.0
ClintonDemocratic55.1%169,489TrumpRepublican38.2%117,416OtherAll other candidates6.8%20,803
D+16.9- Lead
- 52,073
- Total
- 307,708
- vs nation
- D+14.8
ObamaDemocratic59.9%175,322RomneyRepublican37.6%110,150OtherAll other candidates2.4%7,165
D+22.3- Lead
- 65,172
- Total
- 292,637
- vs nation
- D+18.4
ObamaDemocratic61.8%182,169McCainRepublican36.4%107,296OtherAll other candidates1.7%5,148
D+25.4- Lead
- 74,873
- Total
- 294,613
- vs nation
- D+18.1
KerryDemocratic56.0%164,655BushRepublican42.3%124,407OtherAll other candidates1.7%5,012
D+13.7- Lead
- 40,248
- Total
- 294,074
- vs nation
- D+16.1
GoreDemocratic50.7%129,665BushRepublican42.6%108,899OtherAll other candidates6.7%17,012
D+8.1- Lead
- 20,766
- Total
- 255,576
- vs nation
- D+7.6
ClintonDemocratic52.4%120,230DoleRepublican32.5%74,560OtherAll other candidates15.1%34,723
D+19.9- Lead
- 45,670
- Total
- 229,513
- vs nation
- D+11.4
Key facts
- 2024 presidential margin
- D+24.6MIT Election Lab
- Population
- 562,8432024 5-year
- Population density
- 270 / sq mi2024 5-year · TIGER/Line
- Land area
- 2,081 sq miTIGER/Line
- Median household income
- $92,3282024 5-year
- White (non-Hispanic)
- 87.8%2024 5-year
- Black
- 2.3%2024 5-year
- Hispanic / Latino
- 2.5%2024 5-year
- Peak Democratic margin
- D+41.0 in 1964MIT Election Lab
- Peak Republican margin
- R+49.4 in 1924MIT Election Lab
- Most similar
- Lebanon-Claremont, NH-VT · twin score 95.9
presidential history
Party record book
Portland-South Portland, ME · the strongest Democratic and Republican presidential performances recorded here, measured three ways.
1892–2024 · 34 presidential cycles
Highest vote share
Largest share of the presidential candidate vote cast here.
Democratic
Lyndon B. Johnson1964
70.5%
91,933 votes · D+41.0
Runner-up · Barack Obama, 2008 · 61.8%
Republican
Calvin Coolidge1924
71.4%
45,949 votes · R+49.4
Runner-up · Dwight D. Eisenhower, 1956 · 68.2%
Most votes
Largest number of votes cast for the party’s presidential nominee here.
Democratic
Kamala Harris2024
214,067votes
61.2% of the vote · D+24.6
Runner-up · Joe Biden, 2020 · 213,476 votes
Republican
Donald Trump2024
128,075votes
36.6% of the vote · D+24.6
Runner-up · George W. Bush, 2004 · 124,407 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
Kamala Harris2024
+26.0pts D vs U.S.
Place D+24.6 · U.S. R+1.5
Runner-up · Joe Biden, 2020 · +21.0 pts
Republican
Herbert Hoover1932
+35.1pts R vs U.S.
Place R+17.4 · U.S. D+17.8
Runner-up · Alf Landon, 1936 · +31.8 pts
U.S. House elections · 1 House
Senate and governor results are in the Office selector at the top of this page.
U.S. House
Each row shows U.S. House votes counted inside this Place. “Vote lead” is the local lead here, not necessarily the winner of the full contest.
| Year | Vote lead | Democratic | Republican | Total |
|---|---|---|---|---|
| 2018 | D | 65.5%160,077 | 34.5%84,346 | 244,423 |
voter registration
Registered voters
By party of registration, over time
Party registration · 2025D+16.6
Presidential vote · 2024D+24.6
Registration leans Democratic; the presidential vote runs 8.0 points more Democratic than the rolls.
441,302 registered voters · 2025
domestic migration
Who moves in and out
Net domestic migration over time
+2,644 net domestic migration · 2025
20112025
Net +35,595 over 2011–2025 · gain loss
| Year | Net domestic migration |
|---|---|
| 2011 | +1,274 |
| 2012 | +860 |
| 2013 | +1,189 |
| 2014 | +1,948 |
| 2015 | +1,615 |
| 2016 | +2,063 |
| 2017 | +2,911 |
| 2018 | +3,111 |
| 2019 | +3,174 |
| 2021 | +6,035 |
| 2022 | +4,600 |
| 2023 | +2,643 |
| 2024 | +1,528 |
| 2025 | +2,644 |
Portland anchors Cumberland County, the state's most populous and most reliably left-leaning region, but Maine's strong independent voter culture means even this metro's outcomes resist straight-ticket prediction.
Across the recorded series it reached a Democratic high of 41.0 points in 1964 and a Republican high of 49.4 points in 1924. Between 2020 and 2024 the metro moved 0.9 points toward the Republican candidate; the 2024 margin was 24.6 points.
A population of 562,843, a 88% non-Hispanic-white share, and a median household income of $92,328 describe the metro. The metro's voting pattern over the last decade is most similar to that of Lebanon-Claremont, NH-VT and Concord, NH.
Political twins — metros
The metros whose fingerprint — 2000–2024 trajectory, demographics, ancestry, religion — sits closest to this one, and why.
Lebanon-Claremont, NH-VT
95.9twin score
2004–2024 trajectory
Concord, NH
94.8twin score
2004–2020 trajectorymedian income≠ population scale
Barre, VT
93.8twin score
2004–2024 trajectory≠ population scale
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.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
Cite this page
All citations released under CC BY 4.0. Attribution: Akashic Intelligence.
Portland-South Portland, ME, Maine. Akashic. https://akashic.app/cbsa/38860/. Accessed May 20, 2026. License: CC BY 4.0.
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Places within Portland-South Portland, ME
Frequently asked questions
How did Portland-South Portland, ME, Maine vote in 2024?
In 2024, Portland-South Portland, ME, Maine voted Democratic by 24.6 points (D+24.6), carried by the Democratic candidate. Out of 349,950 votes cast, 214,067 went Democratic and 128,075 went Republican.
When did Portland-South Portland, ME, Maine last vote Republican?
The most recent presidential election in which Portland-South Portland, ME, Maine voted Republican was 1988.
How many people live in Portland-South Portland, ME, Maine?
Portland-South Portland, ME, Maine has a population of 562,843 according to the 2024 American Community Survey 5-year estimates from the US Census Bureau.
What is the median household income in Portland-South Portland, ME, Maine?
Median household income in Portland-South Portland, ME, Maine is $92,328 — above the national median of $80,734. The Maine state median is $74,733.
What is the political history of Portland-South Portland, ME, Maine?
Akashic tracks 34 presidential elections in Portland-South Portland, ME, Maine from 1892 to 2024. Of those, 15 went Democratic and 19 went Republican.