Middlesex County, Massachusetts

2024 results by precinct

554 precincts · 814,832 votes cast

Harris · D+39

Harris +50

Trump +50

Real precinct boundaries. Hover for vote totals.

38 presidential elections

Year	Won	Margin	Democratic	Republican	Total
2024	D	+39.2%	554,471	235,118	814,832
2020	D	+44.9%	617,196	226,956	869,347
2016	D	+37.2%	520,360	219,793	808,630
2012	D	+27.1%	471,804	267,321	754,170
2008	D	+30.1%	464,484	245,766	726,031
2004	D	+29.5%	440,862	237,815	688,960
2000	D	+31.2%	404,043	198,914	657,048
1996	D	+36.3%	398,190	169,926	627,977
1992	D	+21.8%	343,994	193,703	689,453
1988	D	+10.7%	361,563	290,352	662,628
1984	D	+0.8%	325,065	319,604	646,754
1980	D	+2.2%	270,751	256,999	637,679
1976	D	+15.5%	359,919	260,044	643,382
1972	D	+12.3%	345,343	269,064	617,651
1968	D	+31.5%	370,310	188,304	577,596
1964	D	+52.9%	439,790	134,729	576,810
1960	D	+18.2%	356,130	246,126	603,516
1956	R	−22.5%	216,668	343,125	561,373
1952	R	−14.3%	236,910	316,069	554,605
1948	D	+4.1%	248,240	228,262	485,908
1944	R	−5.8%	210,253	236,102	447,080
1940	R	−5.2%	218,663	242,658	463,437
1936	R	−2.4%	189,512	199,704	419,520
1932	R	−2.8%	174,257	184,486	365,751
1928	R	−4.4%	173,339	189,189	363,841
1924	R	−38.4%	64,544	162,530	255,235
1920	R	−42.4%	61,661	156,636	224,078
1916	R	−9.7%	49,844	60,802	113,072
1912	D	+6.0%	36,689	30,511	102,867
1908	R	−28.5%	31,362	58,672	95,887
1904	R	−24.8%	32,889	55,704	91,868
1900	R	−24.6%	29,476	49,638	81,955
1896	R	−47.0%	19,591	57,281	80,266
1892	R	−7.3%	34,769	40,375	77,090
1888	—	No data	—	—	—
1884	—	No data	—	—	—
1880	—	No data	—	—	—
1876	—	No data	—	—	—

Demographics

Race, ethnicity, and ancestry

Click any group to see the ancestries typically reported within it.

American

100.0%

African American

3.9%

Multiple ancestry combinations reported; no single grouping above 1%.

American Indian, Alaska Native, Native Hawaiian, and Pacific Islander combined.

Source · American Community Survey 5-year estimates, 2024 release. Ancestry is a self-reported, multiple-response item; ancestry percentages do not sum to the parent race percentage.

Age distribution by sex

Median age: 38.9 in this county, 39.1 nationally

Male

Age

Female

0.7%

85+

1.3%

2.1%

75–84

2.8%

4.4%

65–74

5.0%

6.3%

55–64

6.5%

6.3%

45–54

6.3%

7.0%

35–44

7.0%

7.7%

25–34

7.4%

4.9%

18–24

4.8%

7.4%

5–17

7.0%

2.6%

2.5%

Source · American Community Survey 5-year estimates, 2024 release.

Median household income

2024 inflation-adjusted dollars

$130,847

Middlesex County ranks in the top 0.5% of US counties.

Middlesex County$130,847

Massachusetts$103,960

United States$80,734

Source · American Community Survey 5-year estimates, 2024 release.

Poverty rate

All persons below federal poverty line

7.7%

Children face moderate poverty.

Children under 1818.0%

Working age (18–64)100.0%

Seniors (65+)18.0%

Source · American Community Survey 5-year estimates, 2024 release.

Language at home

Population aged 5 and older

0.0%

speak English only

Source · ACS 5-year estimates, 2024.

Religious adherents

Adherents per capita by tradition

Catholic & Orthodox

40.1%

Non-Christian

5.9%

Other Christian

3.9%

Mainline Protestant

2.1%

Baptist

0.9%

Methodist

0.8%

Pentecostal & Holiness

0.4%

Source · 2020 US Religion Census. Remaining 45.9% of residents not counted as adherents by any reporting body.

Home to Cambridge, Lowell, and a dense arc of Boston suburbs, Middlesex combines elite university towns with working-class post-industrial cities to produce some of the most lopsided Democratic margins in the Northeast, hitting D+39.2 in 2024.

The Democratic margin in Middlesex County has been steady. It reached its modern peak at fifty-three points in 1964; the 2024 margin was thirty-nine points, still in line with the county's long pattern.

Middlesex County's political identity is inseparable from its demographic profile: a 67% non-Hispanic-white share, a median household income of $130,847, and the full diversity of a major metropolitan center. The county's voting pattern resembles other major urban centers most closely — Norfolk County and Orleans Parish.

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Middlesex County is one of the bluest places in America.