02143 ZIP Code — Somerville, MA

Middlesex County, Massachusetts

ZIP code 02143 is located in Somerville, Massachusetts, within Middlesex County. It covers approximately 1.55 square miles and serves a population of 25,329 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 617/857.

About ZIP code 02143

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $859,000. Renters make up the majority at 69%, typical of denser urban areas.

The gap between median ($118,440) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average. Remote work is prevalent — 28% of workers work from home.

Educational attainment is high — 74% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 02143 reflects a community defined by a highly educated population and a high rate of remote workers.

25,329

population

1.55

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

02143 ZIP code map

Cities in ZIP code 02143

Below are the cities the US Postal Service accepts for ZIP code 02143. Using any city not on this list may result in mail delivery delays.

City	Status
Somerville	Acceptable

Demographics updated 06/2026

Population
Total population	25,329
Population density	16,341 / sq mi
State FIPS	25
County FIPS	017

Geography
Land area	1.55 sq mi
Water area	0.00 sq mi
Latitude	42.3830
Longitude	-71.0956
Timezone	Eastern (ET)
Area code	617/857

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.4%	23.8%	31.3%
$50k – $100k	26.1%	23.1%	25.9%
$100k – $200k	37.0%	32.1%	28.5%
Over $200k	15.5%	20.9%	14.3%

Demographics & statistics

25,329

Population

16,341

People per sq mi

32.8

Median age

$118,440

Median household income

$69,458

Per capita income

$859,000

Median home value

$2,309

Median monthly rent

31.3%

Home ownership

8.6%

Poverty rate

3.2%

Unemployment

4,552

Housing units

73.5%

Bachelor's or higher

Age distribution

Male Female

403

Under 5

423

295

5–9

309

191

10–14

201

310

15–19

324

1,275

20–24

1,336

4,457

25–34

4,666

1,962

35–44

2,055

1,173

45–54

1,229

513

55–59

537

470

60–64

492

817

65–74

856

430

75–84

451

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	2,099	8.3%
18 and over	23,230	91.7%
65 and over	2,708	10.7%
Median age	32.8 years

Race & ethnicity

White 69.1%

Asian 9.5%

Hispanic or Latino 7.3%

Two or more races 7.1%

Other race 3.6%

Black or African American 3.2%

American Indian / Alaska Native 0.2%

Group	Count	%
White	18,885	69.1%
Asian	2,590	9.5%
Hispanic or Latino	1,999	7.3%
Two or more races	1,948	7.1%
Other race	992	3.6%
Black or African American	862	3.2%
American Indian / Alaska Native	46	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	21.4%	23.8%	31.3%
$50k – $100k	26.1%	23.1%	25.9%
$100k – $200k	37.0%	32.1%	28.5%
Over $200k	15.5%	20.9%	14.3%

Under $10k 3.8%

$10k–$15k 3.4%

$15k–$25k 3.4%

$25k–$35k 2.7%

$35k–$50k 6.7%

$50k–$75k 11.3%

$75k–$100k 11.2%

$100k–$150k 20.0%

$150k–$200k 13.9%

$200k+ 23.7%

Range	% of households
Under $10k	3.8%
$10k–$15k	3.4%
$15k–$25k	3.4%
$25k–$35k	2.7%
$35k–$50k	6.7%
$50k–$75k	11.3%
$75k–$100k	11.2%
$100k–$150k	20.0%
$150k–$200k	13.9%
$200k+	23.7%
Median income	$118,440

Housing

Home values

Under $50k 1.6%

$150k–$200k 0.8%

$200k–$300k 1.7%

$300k–$500k 8.0%

$500k–$1M 56.1%

$1M+ 31.8%

Housing overview

Metric	Value
Median home value	$859,000
Median rent / month	$2,309
Owner occupied	31.3%
Renter occupied	68.7%
Vacant	6.0%
Single-family detached	9.8%
Large apartment buildings	19.3%
Mobile homes	0.0%
Median rooms	4.4
Avg household size (owned)	2.27

Year built

Era	%
2020 or later	0.6%
2010–2019	5.5%
2000–2009	2.8%
1990–1999	3.0%
1980–1989	5.5%
1970–1979	7.7%
1960–1969	5.4%
1950–1959	5.1%
1940–1949	4.9%
1939 or earlier	59.4%

Bedrooms

Size	% of units
No bedroom (studio)	4.3%
1 bedroom	26.3%
2 bedrooms	39.0%
3 bedrooms	18.9%
4 bedrooms	8.3%
5+ bedrooms	3.1%

Vehicles per household

Vehicles	% of households
No vehicle	24.1%
1 vehicle	51.2%
2 vehicles	20.1%
3 or more	4.6%

Heating fuel

Fuel type	%
Utility gas	69.8%
Electricity	21.7%
Propane / LP gas	1.8%
Fuel oil	4.7%
Wood	0.1%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	3,307	27.4%
Cohabiting couple	1,493	12.4%
Male householder, no spouse	3,611	29.9%
Female householder, no spouse	3,663	30.3%
Households with children under 18	1,353	11.2%
Households with seniors (65+)	2,153	17.8%
Average household size	2.07

Marital status

Status	Male	Female
Never married	60.6%	56.6%
Married	33.5%	30.5%
Separated	0.2%	1.4%
Widowed	0.7%	5.0%
Divorced	4.9%	6.5%

Education

Less than 9th grade 2.6%

Some HS, no diploma 3.6%

HS graduate 10.6%

Some college, no degree 7.5%

Associate's degree 2.1%

Bachelor's degree 36.7%

Graduate / professional 36.8%

Metric	%
HS diploma or higher	93.8%
Bachelor's or higher	73.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	340	6.9%
Kindergarten	281	5.7%
Elementary school	559	11.4%
High school	521	10.6%
College / grad school	3,212	65.4%

Employment

Industry of employment

Education & healthcare 35.0%

Professional & management 23.5%

Manufacturing 9.0%

Arts, food & hospitality 6.3%

Retail trade 6.2%

Finance & real estate 4.2%

Transportation & utilities 3.8%

Information 3.7%

Public administration 2.9%

Other services 2.5%

Construction 1.9%

Wholesale trade 1.1%

Agriculture & mining 0.1%

Occupation

Category	%
Management, business & arts	73.6%
Service	8.7%
Sales & office	11.2%
Natural resources & construction	1.6%
Production & transportation	5.0%

Employment type

Type	%
Private sector	87.0%
Government	7.5%
Self-employed	5.2%
Unpaid family workers	0.3%

Commute

Method	%
Drive alone	27.3%
Carpool	3.0%
Public transit	18.8%
Walk	12.5%
Work from home	27.6%
Other means	10.9%
Avg commute (minutes)	29.3

Poverty

All people 8.6%

Under 18 years 2.2%

18 and over 9.2%

Married-couple families 2.2%

Female-led households 18.5%

Income support

Source	% of households
Social Security	15.9%
Retirement income	11.9%
Supplemental Security	3.9%
Cash public assistance	2.2%
Food stamps / SNAP	8.3%

Health indicators

Condition	%
Obesity	20.0%
High blood pressure	19.4%
High cholesterol	21.7%
Diabetes	5.0%
Heart disease	3.1%
Stroke	1.5%
Asthma	9.8%
Arthritis	14.0%
Kidney disease	1.7%
Pulmonary disease	3.0%
Cancer	4.4%

Behavior / access	%
Smoking	9.1%
Binge drinking	19.3%
No physical activity	13.6%
Less than 7 hrs sleep	28.0%
Depression	18.1%
Fair or poor health	6.9%
Poor mental health	13.2%
Poor physical health	5.6%
No health insurance	5.7%
Visited doctor (checkup)	72.0%
Visited dentist	74.5%
Cholesterol screening	88.6%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	367	1.6%

Disability	%
Any disability	7.3%
Under 18	3.0%
18–64 years	4.5%
65 and over	32.7%

Health insurance coverage

Type	%
Private insurance	84.2%
Public insurance	20.3%
No insurance	1.5%
Uninsured under 19	0.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	24,503	96.7%
Spanish	1,686	6.9%
Other Indo-European	406	1.7%
Asian & Pacific Islander	996	4.1%
Other languages	256	1.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	19,823	78.3%
Born in same state	19,357	76.4%
Born in different state	8,759	34.6%
Foreign born	466	1.8%
Naturalized citizen	5,506	21.7%
Not a US citizen	2,042	37.1%

Ancestry

Ancestry	Count	%
Italian	3,968	15.7%
French	2,541	10%
Arab	500	2%
German	356	1.4%
English	351	1.4%

Ancestry	Count	%
Norwegian	278	1.1%
Polish	229	0.9%
Dutch	124	0.5%
Irish	97	0.4%

Technology access

Metric	% of households
Computer access	47.7%
Internet access	95.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 02143

What city is ZIP code 02143 in?

ZIP code 02143 is primarily assigned to Somerville, Massachusetts.

What county is ZIP code 02143 in?

ZIP code 02143 falls within Middlesex County, Massachusetts.

How educated is the population of ZIP code 02143?

74% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 02143 mostly rentals?

69% of occupied units in ZIP code 02143 are renter-occupied.

What is the typical home value in ZIP code 02143?

The median home value in ZIP code 02143 is $859,000.

What is the median household income in ZIP code 02143?

The median household income in ZIP code 02143 is $118,440, above the national median of ~$75,000.

What timezone is ZIP code 02143 in?

ZIP code 02143 observes the EST timezone.