US5.com
  1. Home
  2. States
  3. Massachusetts
  4. ZIP 02139
  5. People & Community
Cambridge city, MA

ZIP 02139 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 02139

02139 has a population of 39,609 with a median age of 29.9 yrs (50.9% male).

Race & Ethnicity
White
54.5%-12% vs US avg
x
Black
12.8%+4% vs US avg
x
Asian
19.7%+234% vs US avg
x
Hispanic
9.4%-50% vs US avg
x
Other / Two+
3.5%
x
Age Groups
0–17
11.7%-47% vs US avg
x
18–64
76.9%+25% vs US avg
x
65+
11.3%-30% vs US avg
x
Education
Less than HS
5.8%-47% vs US avg
x
High school
6.7%-75% vs US avg
x
Some college
9.9%-66% vs US avg
x
Bachelor's+
77.6%+130% vs US avg
x
Marital Status
Married
29.8%-38% vs US avg
x
Never married
62.6%+85% vs US avg
x
Divorced
5.1%-50% vs US avg
x
Widowed / Separated
2.4%
x
Diversity Index
64/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
13.2%+15% vs US avg
x
Foreign Born
47.4%+241% vs US avg
x
Veterans
1.3%-79% vs US avg
x
Disability
7.8%-42% vs US avg
x
Single Parent
11.3%+39% vs US avg
x
Recent Births
36.2%+523% vs US avg
x
Top ancestry
IrishGermanEnglish

Health & Community Indicators in 02139

Poverty Rate
13.2%+15% vs US avg
x
Veterans
1.3%-79% vs US avg
x
Foreign Born
47.4%+241% vs US avg
x
Single Parent
11.3%+39% vs US avg
x
Disability
7.8%-42% vs US avg
x
Uninsured
1.6%-80% vs US avg
x
SNAP Benefits
12.0%+2% vs US avg
x
Private School
0.6%-94% vs US avg
x
Recent Births
36.2%+523% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population39,609
Median age29.9
Poverty rate13.2%
Demographics statistics
Demographics
White54.5%
Hispanic9.4%
Black12.8%
Asian19.7%
Foreign-born47.4%