02142 ZIP Code — Cambridge, MA

Middlesex County, Massachusetts

ZIP code 02142 is located in Cambridge, Massachusetts, within Middlesex County. It covers approximately 0.31 square miles and serves a population of 4,474 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 617/781/857/978/339.

About ZIP code 02142

The housing stock consists of a significant share of large multi-unit buildings. Most homes were built in the 2000s, giving the area an established character. Median home value is $1,566,200. Renters make up the majority at 89%, typical of denser urban areas.

The gap between median ($150,294) 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 21 minutes is near the national average. Remote work is prevalent — 26% of workers work from home.

Educational attainment is high — 91% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 02142 reflects a community defined by a highly educated population and a high rate of remote workers.

4,474

population

0.31

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

02142 ZIP code map

Cities in ZIP code 02142

Below are the cities the US Postal Service accepts for ZIP code 02142. Using any city not on this list may result in mail delivery delays.

City	Status
Cambridge	Acceptable
Cambridge	Preferred

Nearby ZIP codes

02133 Boston (0.4 mi) 02141 Cambridge (0.5 mi) 02114 Boston (0.7 mi) 02116 Boston (0.8 mi) 02108 Boston (0.9 mi) 02222 Boston (0.9 mi) 02203 Boston (1 mi) 02199 Boston (1 mi) 02139 Cambridge (1.1 mi) 02211 Boston (1.1 mi) 02201 Boston (1.1 mi) 02204 Boston (1.1 mi)

Demographics updated 06/2026

Population
Total population	4,474
Population density	14,432 / sq mi
State FIPS	25
County FIPS	017

Geography
Land area	0.31 sq mi
Water area	0.14 sq mi
Latitude	42.3625
Longitude	-71.0805
Timezone	Eastern (ET)
Area code	617/781/857/978/339

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.2%	23.8%	31.3%
$50k – $100k	21.2%	23.1%	25.9%
$100k – $200k	27.6%	32.1%	28.5%
Over $200k	35.0%	20.9%	14.3%

Demographics & statistics

4,474

Population

14,432

People per sq mi

30.9

Median age

$150,294

Median household income

$99,113

Per capita income

$1,566,200

Median home value

$3,501

Median monthly rent

11.4%

Home ownership

9.9%

Poverty rate

1.4%

Unemployment

441

Housing units

90.7%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

15–19

272

20–24

239

1,072

25–34

943

323

35–44

284

203

45–54

178

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	248	5.5%
18 and over	4,226	94.5%
65 and over	332	7.4%
Median age	30.9 years

Race & ethnicity

White 44.4%

Asian 39.2%

Black or African American 6.3%

Two or more races 6.2%

Hispanic or Latino 2.6%

Other race 0.7%

American Indian / Alaska Native 0.5%

Group	Count	%
White	2,042	44.4%
Asian	1,801	39.2%
Black or African American	288	6.3%
Two or more races	287	6.2%
Hispanic or Latino	120	2.6%
Other race	34	0.7%
American Indian / Alaska Native	22	0.5%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	16.2%	23.8%	31.3%
$50k – $100k	21.2%	23.1%	25.9%
$100k – $200k	27.6%	32.1%	28.5%
Over $200k	35.0%	20.9%	14.3%

Under $10k 8.4%

$10k–$15k 1.1%

$15k–$25k 2.7%

$25k–$35k 0.7%

$35k–$50k 4.0%

$50k–$75k 11.6%

$75k–$100k 8.5%

$100k–$150k 12.7%

$150k–$200k 13.6%

$200k+ 36.7%

Range	% of households
Under $10k	8.4%
$10k–$15k	1.1%
$15k–$25k	2.7%
$25k–$35k	0.7%
$35k–$50k	4.0%
$50k–$75k	11.6%
$75k–$100k	8.5%
$100k–$150k	12.7%
$150k–$200k	13.6%
$200k+	36.7%
Median income	$150,294

Housing

Home values

$500k–$1M 22.4%

$1M+ 77.6%

Housing overview

Metric	Value
Median home value	$1,566,200
Median rent / month	$3,501
Owner occupied	11.4%
Renter occupied	88.6%
Vacant	8.4%
Single-family detached	1.2%
Large apartment buildings	96.5%
Mobile homes	0.0%
Median rooms	3.2
Avg household size (owned)	1.66

Year built

Era	%
2020 or later	0.0%
2010–2019	28.6%
2000–2009	29.6%
1990–1999	7.3%
1980–1989	14.3%
1970–1979	7.7%
1960–1969	3.3%
1950–1959	5.0%
1940–1949	2.0%
1939 or earlier	2.1%

Bedrooms

Size	% of units
No bedroom (studio)	16.8%
1 bedroom	35.6%
2 bedrooms	42.9%
3 bedrooms	4.1%
4 bedrooms	0.6%
5+ bedrooms	0.0%

Vehicles per household

Vehicles	% of households
No vehicle	39.1%
1 vehicle	51.3%
2 vehicles	8.9%
3 or more	0.7%

Heating fuel

Fuel type	%
Utility gas	32.4%
Electricity	63.5%
Propane / LP gas	1.5%
Fuel oil	0.7%
Solar	0.4%
No fuel used	1.6%

Households & families

Household type	Count	%
Married-couple family	559	26.1%
Cohabiting couple	326	15.2%
Male householder, no spouse	579	27.1%
Female householder, no spouse	676	31.6%
Households with children under 18	167	7.8%
Households with seniors (65+)	244	11.4%
Average household size	1.83

Marital status

Status	Male	Female
Never married	54.9%	57.0%
Married	38.6%	30.6%
Separated	0.0%	0.6%
Widowed	1.6%	2.2%
Divorced	4.8%	9.5%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.1%

HS graduate 1.1%

Some college, no degree 5.5%

Associate's degree 2.5%

Bachelor's degree 36.8%

Graduate / professional 53.9%

Metric	%
HS diploma or higher	99.9%
Bachelor's or higher	90.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	39	2.5%
Kindergarten	87	5.5%
Elementary school	4	0.3%
High school	24	1.5%
College / grad school	1,424	90.2%

Employment

Industry of employment

Education & healthcare 39.5%

Professional & management 32.0%

Manufacturing 12.2%

Information 2.8%

Finance & real estate 2.8%

Transportation & utilities 2.7%

Arts, food & hospitality 2.6%

Retail trade 1.8%

Public administration 1.8%

Wholesale trade 1.3%

Agriculture & mining 0.4%

Occupation

Category	%
Management, business & arts	88.8%
Service	2.7%
Sales & office	7.1%
Natural resources & construction	0.0%
Production & transportation	1.3%

Employment type

Type	%
Private sector	89.9%
Government	7.8%
Self-employed	2.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	11.5%
Carpool	1.3%
Public transit	17.7%
Walk	38.9%
Work from home	26.3%
Other means	4.4%
Avg commute (minutes)	20.5

Poverty

All people 9.9%

Under 18 years 0.0%

18 and over 10.5%

Married-couple families 0.0%

Female-led households 17.5%

Income support

Source	% of households
Social Security	12.9%
Retirement income	12.5%
Supplemental Security	2.5%
Cash public assistance	0.7%
Food stamps / SNAP	2.8%

Health indicators

Condition	%
Obesity	17.8%
High blood pressure	16.1%
High cholesterol	18.3%
Diabetes	3.9%
Heart disease	2.3%
Stroke	1.1%
Asthma	8.9%
Arthritis	10.2%
Kidney disease	1.3%
Pulmonary disease	2.1%
Cancer	3.2%

Behavior / access	%
Smoking	8.4%
Binge drinking	18.9%
No physical activity	13.6%
Less than 7 hrs sleep	29.2%
Depression	16.1%
Fair or poor health	5.8%
Poor mental health	12.9%
Poor physical health	4.6%
No health insurance	6.3%
Visited doctor (checkup)	70.2%
Visited dentist	72.3%
Cholesterol screening	86.1%
Teeth loss	6.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	22	0.5%

Disability	%
Any disability	4.0%
Under 18	4.4%
18–64 years	2.4%
65 and over	22.0%

Health insurance coverage

Type	%
Private insurance	94.1%
Public insurance	10.2%
No insurance	0.3%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,311	96.4%
Spanish	412	9.6%
Other Indo-European	10	0.2%
Asian & Pacific Islander	39	0.9%
Other languages	267	6.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,438	54.5%
Born in same state	2,392	53.5%
Born in different state	790	17.7%
Foreign born	46	1.0%
Naturalized citizen	2,036	45.5%
Not a US citizen	253	12.4%

Ancestry

Ancestry	Count	%
French	385	8.6%
Italian	188	4.2%
Arab	121	2.7%

Ancestry	Count	%
English	29	0.6%
German	19	0.4%
Norwegian	13	0.3%

Technology access

Metric	% of households
Computer access	47.8%
Internet access	99.1%

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

Frequently asked questions about ZIP code 02142

What city is ZIP code 02142 in?

ZIP code 02142 is primarily assigned to Cambridge, Massachusetts.

What county is ZIP code 02142 in?

ZIP code 02142 falls within Middlesex County, Massachusetts.

How educated is the population of ZIP code 02142?

91% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 02142 mostly rentals?

89% of occupied units in ZIP code 02142 are renter-occupied.

What is the median household income in ZIP code 02142?

The median household income in ZIP code 02142 is $150,294, above the national median of ~$75,000.

What is the typical home value in ZIP code 02142?

The median home value in ZIP code 02142 is $1,566,200.

What timezone is ZIP code 02142 in?

ZIP code 02142 observes the EST timezone.