COUNTY · 1990 CENSUS
Middlesex County
Massachusetts · 1,398,468 residents · 817.866 sq mi
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Part of the Boston metro area
The short version
Middlesex County is significantly wealthier than the US average, with a median household income of $43,847. Population has declined 5% since 2000. 35% of adults hold a bachelor's degree or higher, well above the national rate of 20%. Median home value is $192,200. Poverty is rare here, at 6.2% of residents.
At a glance
Wealthier
above the US median
US median: $30,130
Mid-age
median age 33.7
US median: 33.0
More educated
35% hold a bachelor's degree
US average: 20%
Stable housing
home values roughly flat, inflation adjusted
US median home: $93,722
Section 01
Population & growth
Population, 1990 – 2024
20241.6M
Age distribution, 1990
Under 56.5%(90,424)
5 to 95.7%(79,452)
10 to 145.3%(74,001)
15 to 196.5%(91,300)
20 to 248.7%(122,090)
25 to 3419.8%(277,114)
35 to 4415.7%(219,692)
45 to 5410.5%(146,848)
55 to 648.7%(122,313)
65 to 747.1%(99,257)
75 to 844%(56,494)
85 and over1.4%(19,483)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$43,847
−5%inflation adjusted, since 2000
vs $60,821 in 2000
US average: $30,130
1990 – 2024
Section 03
Housing
$192,200
+4%inflation adjusted, since 2000
vs $244,400 in 2000
US average: $93,722
1990 – 2024
RELATED:See current rent listings in Middlesex County on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic83.6%(1,224,771)
Black3.2%(46,598)
Hispanic / Latino4.6%(66,707)
Asian6.2%(91,368)
Other0%
1990
White, non-Hispanic92.2%(1,289,282)
Black2.8%(39,552)
Hispanic / Latino3.2%(44,594)
Asian3.6%(50,987)
Other1.3%(18,647)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry
Detailed origin tables are available for 2024; showing 2024 data.
Hispanic origin
Central American2.5%(41,557)
Puerto Rican2.3%(38,185)
South American1.7%(27,647)
Salvadoran1.3%(21,120)
Mexican0.9%(13,952)
Guatemalan0.8%(13,736)
Dominican0.7%(12,215)
Colombian0.6%(10,287)
Ecuadorian0.3%(5,181)
Spaniard0.2%(3,652)
Peruvian0.2%(3,498)
Honduran0.2%(3,456)
+ 10 more hispanic origin groups with data
Cuban0.2%(3,257)
Venezuelan0.2%(2,879)
Argentine0.1%(2,300)
Chilean0.1%(1,774)
Nicaraguan0.1%(903)
Panamanian0.1%(871)
Costa Rican0.1%(866)
Bolivian0%(699)
Uruguayan0%(501)
Paraguayan0%(176)
Asian origin
Chinese4.6%(76,161)
Asian Indian4%(66,311)
Cambodian1.1%(18,712)
Vietnamese0.9%(14,087)
Korean0.8%(12,632)
Taiwanese0.3%(4,215)
Nepalese0.3%(4,123)
Pakistani0.2%(4,009)
Japanese0.2%(3,905)
Filipino0.2%(3,403)
Bangladeshi0.1%(2,060)
Thai0.1%(1,636)
+ 11 more asian origin groups with data
Laotian0.1%(1,496)
Indonesian0.1%(978)
Sri Lankan0%(629)
Malaysian0%(595)
Burmese0%(391)
Uzbek0%(267)
Singaporean0%(237)
Kazakh0%(128)
Mongolian0%(105)
Hmong0%(59)
Bhutanese0%(32)
Ancestry
Irish18.3%(300,318)
Italian12.1%(198,782)
English9.7%(159,073)
German6.3%(102,787)
French3.2%(53,079)
Polish3.1%(51,594)
American3.1%(50,116)
Brazilian2.6%(43,190)
French Canadian2.3%(37,058)
Portuguese2.1%(34,113)
Scottish2%(32,530)
Russian1.8%(29,212)
+ 51 more ancestry groups with data
Subsaharan African1.6%(25,617)
West Indian1.4%(22,196)
Greek1.3%(21,170)
Arab1.2%(19,733)
Swedish1.2%(18,986)
Haitian0.9%(14,783)
Armenian0.7%(11,042)
Scotch-Irish0.6%(10,375)
Canadian0.6%(9,765)
Dutch0.6%(9,315)
Norwegian0.5%(8,737)
Ukrainian0.5%(8,707)
Lithuanian0.5%(8,282)
British0.5%(7,548)
Welsh0.4%(6,188)
Lebanese0.4%(5,849)
Hungarian0.3%(5,174)
Iranian0.3%(5,027)
Finnish0.3%(4,254)
Danish0.3%(4,117)
Austrian0.2%(3,894)
Jamaican0.2%(3,889)
Swiss0.2%(3,495)
Moroccan0.2%(3,440)
Nigerian0.2%(3,419)
Romanian0.2%(3,198)
Ethiopian0.2%(3,165)
Czech0.2%(3,136)
Turkish0.2%(2,962)
Egyptian0.2%(2,480)
Kenyan0.1%(2,319)
Israeli0.1%(2,224)
Slovak0.1%(1,904)
Syrian0.1%(1,758)
Bulgarian0.1%(1,735)
Belgian0.1%(1,665)
Cape Verdean0.1%(1,456)
Barbadian0.1%(1,275)
Croatian0.1%(1,209)
Latvian0.1%(1,140)
Ghanaian0.1%(996)
Iraqi0.1%(940)
Serbian0.1%(907)
Palestinian0.1%(864)
Trinidadian & Tobagonian0%(801)
Australian0%(556)
Guyanese0%(494)
Slovene0%(479)
Macedonian0%(438)
Jordanian0%(400)
Somali0%(90)
Section 05
Education
High school or higher
84.3%
−4.2 ptsvs 2000
vs 88.5% in 2000
US average: 75.2%
Section 06
Commute & transportation
Section 07
Work & employment
No data for the years selected.
Section 08
People & community
No data for the years selected.
Marital status (2024)
Men 15+
Never married39.5%(266,465)
Married52.4%(353,587)
Widowed2.1%(13,850)
Divorced6.1%(41,393)
Women 15+
Never married35%(245,272)
Married49.1%(344,329)
Widowed6.8%(47,972)
Divorced9.1%(64,178)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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MIDDLESEX COUNTY VS
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MIDDLESEX COUNTY VS
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Frequently asked
How many people live in Middlesex County, Massachusetts?
Middlesex County, Massachusetts has about 1,398,468 residents according to the 1990 Census.
What is the median household income in Middlesex County, Massachusetts?
The typical household in Middlesex County, Massachusetts earns about $43,847 a year. Half of households make more than that, and half make less.
Is Middlesex County, Massachusetts expensive?
In Middlesex County, Massachusetts, the median home is worth about $192,200, and the typical rent is about $671 a month.
How educated are people in Middlesex County, Massachusetts?
About 35.4% of adults age 25 and over in Middlesex County, Massachusetts hold a bachelor's degree or higher.
What is the poverty rate in Middlesex County, Massachusetts?
About 6.2% of people in Middlesex County, Massachusetts live below the federal poverty line.
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All counties in MassachusettsDATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024