COUNTY · 1990 CENSUS

Suffolk County

Massachusetts · 663,906 residents · 58.3 sq mi

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Suffolk County is a county of 663,906 people in Massachusetts. 33% of homes are owner-occupied. The typical home is worth $160,300. About 28% of adults have finished a four-year degree. Renters pay $625 a month at the median. Households here earn about 20% less than in Massachusetts as a whole.

At a glance

Average income

near the US median

US median: $30,130

Younger

median age 30.9

US median: 33.0

More educated

28% 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

Total population

663,906

−4%vs 2000

vs 689,807 in 2000

1990 – 2025

Median age

30.9

−3%vs 2000

vs 31.7 in 2000

US average: 33.0

Land area

58.3 sq mi

Population, 1990 – 2024

2024785K

Age distribution, 1990

Under 56.3%(41,895)

US avg: 7.3%

5 to 95.2%(34,616)

US avg: 7.3%

10 to 144.8%(31,732)

US avg: 6.9%

15 to 196.9%(45,574)

US avg: 7.1%

20 to 2412.5%(82,951)

US avg: 7.5%

25 to 3422.7%(150,857)

US avg: 17.5%

35 to 4413.6%(90,284)

US avg: 15.1%

45 to 548.4%(55,853)

US avg: 10.2%

55 to 647.5%(49,511)

US avg: 8.5%

65 to 746.7%(44,463)

US avg: 7.3%

75 to 844%(26,537)

US avg: 4%

85 and over1.5%(9,633)

US avg: 1.2%

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Section 02

Income & economy

Median household income

$29,399

−2%inflation adjusted, since 2000

vs $39,355 in 2000

US average: $30,130

1990 – 2024

Per capita income

$15,414

−32%vs 2000

vs $22,766 in 2000

US average: $14,340

Poverty rate

18.1%

−0.9 ptsvs 2000

vs 19.0% in 2000

US average: 13.2%

Section 03

Housing

Median home value

$160,300

+5%inflation adjusted, since 2000

vs $201,300 in 2000

US average: $93,722

1990 – 2024

Median gross rent

$625

+4%inflation adjusted, since 2000

vs $791 in 2000

US average: $450

Owner-occupied

32.5%

−1.4 ptsvs 2000

vs 33.9% in 2000

67.5% rent

Section 04

Race & ethnicity

2000

White, non-Hispanic52.1%(359,535)

Black20.8%(143,817)

Hispanic / Latino15.5%(107,031)

Asian7%(47,970)

Other0%

1990

White, non-Hispanic66.1%(439,119)

Black22.4%(149,023)

Hispanic / Latino10.6%(70,178)

Asian5.1%(33,549)

Other6.4%(42,215)

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 American6.8%(53,123)

Dominican5.6%(43,611)

Puerto Rican4.1%(32,388)

Salvadoran3.6%(28,111)

South American3.5%(27,119)

Colombian2.4%(18,462)

Guatemalan1.5%(11,635)

Mexican1.2%(9,299)

Honduran1.1%(8,771)

Cuban0.3%(2,474)

Venezuelan0.3%(2,389)

Peruvian0.3%(1,990)

+ 10 more hispanic origin groups with data

Ecuadorian0.2%(1,800)

Costa Rican0.2%(1,740)

Spaniard0.2%(1,713)

Nicaraguan0.1%(877)

Chilean0.1%(854)

Panamanian0.1%(851)

Argentine0.1%(596)

Uruguayan0%(278)

Bolivian0%(253)

Paraguayan0%(173)

Asian origin

Chinese4%(31,268)

Vietnamese1.6%(12,296)

Asian Indian1.6%(12,220)

Korean0.6%(4,546)

Filipino0.3%(2,049)

Cambodian0.2%(1,431)

Taiwanese0.2%(1,193)

Japanese0.1%(1,029)

Pakistani0.1%(982)

Bangladeshi0.1%(748)

Thai0.1%(595)

Nepalese0.1%(490)

+ 10 more asian origin groups with data

Burmese0%(340)

Indonesian0%(245)

Sri Lankan0%(222)

Kazakh0%(197)

Laotian0%(86)

Malaysian0%(67)

Uzbek0%(46)

Hmong0%(18)

Mongolian0%(10)

Singaporean0%(4)

Pacific Islander origin

Native Hawaiian0.1%(419)

Samoan0%(376)

Tongan0%(75)

Chamorro0%(58)

Guamanian0%(41)

Fijian0%(29)

Ancestry

Irish12.5%(97,778)

Italian8.2%(64,187)

West Indian5.8%(45,431)

English5.3%(41,270)

German4.5%(35,108)

Subsaharan African3.7%(29,382)

Haitian2.8%(21,729)

American2.3%(17,920)

Polish2.2%(17,004)

Cape Verdean1.6%(12,652)

French1.6%(12,625)

Jamaican1.5%(11,453)

+ 51 more ancestry groups with data

Arab1.4%(10,691)

Russian1.1%(8,319)

Scottish1.1%(8,316)

French Canadian1%(8,223)

Portuguese0.9%(7,457)

Greek0.8%(5,936)

Brazilian0.8%(5,894)

Swedish0.7%(5,675)

Trinidadian & Tobagonian0.7%(5,118)

Nigerian0.6%(4,714)

Norwegian0.4%(3,421)

Moroccan0.4%(3,226)

Barbadian0.4%(3,164)

Scotch-Irish0.4%(2,907)

Dutch0.4%(2,761)

Lebanese0.3%(2,727)

Ethiopian0.3%(2,594)

Ukrainian0.3%(2,585)

Canadian0.3%(2,567)

British0.3%(2,336)

Lithuanian0.3%(2,333)

Iranian0.2%(1,942)

Welsh0.2%(1,858)

Hungarian0.2%(1,810)

Swiss0.2%(1,432)

Armenian0.2%(1,428)

Turkish0.2%(1,405)

Danish0.2%(1,256)

Czech0.2%(1,203)

Somali0.1%(1,152)

Guyanese0.1%(1,076)

Austrian0.1%(971)

Ghanaian0.1%(930)

Egyptian0.1%(880)

Belgian0.1%(846)

Syrian0.1%(824)

Finnish0.1%(812)

Kenyan0.1%(788)

Croatian0.1%(774)

Romanian0.1%(733)

Slovak0.1%(727)

Israeli0.1%(493)

Latvian0.1%(488)

Palestinian0.1%(421)

Serbian0.1%(401)

Australian0%(347)

Bulgarian0%(334)

Iraqi0%(271)

Jordanian0%(255)

Slovene0%(150)

Macedonian0%(88)

RANKED:Largest Irish population · Largest Italian population · Largest Central American population · Largest West Indian population · Largest Dominican population

Section 05

Education

Bachelor's degree or higher

27.7%

−4.7 ptsvs 2000

vs 32.5% in 2000

US average: 20.3%

High school or higher

75.4%

−2.7 ptsvs 2000

vs 78.1% in 2000

US average: 75.2%

Graduate degree

11.3%

−2.4 ptsvs 2000

vs 13.7% in 2000

US average: 7.1%

Section 06

Commute & transportation

Average commute

23.7 min

+22%vs 2000

vs 19.5 min in 2000

US average: 21.9

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 married54.8%(178,636)

Married37.1%(120,841)

Widowed1.6%(5,275)

Divorced6.5%(21,144)

Women 15+

Never married52.7%(186,796)

Married32.3%(114,444)

Widowed5.9%(20,820)

Divorced9.2%(32,455)

SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024

Section 09

Health coverage

Showing 2024 (the nearest year with coverage data).

Uninsured

3.1%

−2.6 ptssince 2013

from 5.7% in 2013

US average: 8.4%

Employer-based

57.6%

+0.8 ptssince 2020

from 56.8% in 2020

US average: 54.8%

Direct-purchase

13.1%

+0.5 ptssince 2020

from 12.6% in 2020

US average: 13.8%

Medicare

13.8%

+1.0 ptssince 2020

from 12.8% in 2020

US average: 18.4%

Medicaid

29.7%

−0.1 ptssince 2020

from 29.8% in 2020

US average: 20.9%

VA health care

0.8%

Unchangedsince 2020

from 0.8% in 2020

US average: 2.2%

Any private

67.6%

+1.1 ptssince 2020

from 66.5% in 2020

US average: 67.1%

Any public

38.4%

+0.5 ptssince 2020

from 37.9% in 2020

US average: 36.7%

Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.

Section 09 · Service history

Veterans

Veterans by period of service, 2024

Gulf War (2001 or later)31.6%(4,510)

US avg: 26.4%

Gulf War (1990s)14.2%(2,033)

US avg: 24.3%

Vietnam era27.3%(3,902)

US avg: 33.1%

Korean War4.6%(655)

US avg: 4.5%

World War II1.3%(192)

US avg: 1%

Share of the 14,271 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.

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