ZIP Code 02138

ZIP Code Tabulation Area in Middlesex County, Massachusetts.

Population: 38,077
Median household income: $122,040
Median home value: $1,088,700

ZIP Code 02138 (Middlesex County, Massachusetts) is home to about 38,077 residents. At $122,040, its median household income sits in line with Middlesex County's $126,779.

Between 2019 and 2023, ZIP Code 02138's population declined 1.1% from 38,504 to 38,077, while its median gross rent rose 24.6% from $2,246 to $2,799.

85.6% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 40.9% of the area's occupied homes.

Demographics

ACS 2019–2023

Population: 38,077
Median age: 28.7 yrs
Median household income: $122,040
Median home value: $1,088,700
Median gross rent: $2,799
Housing units: 16,132
Homeownership rate: 40.9%
Bachelor's degree or higher: 85.6%
Unemployment rate: 3.0%

Trends

ACS 5-year · 2019–2023

Population

38,50438,077

Median household income

$105,065$122,040

Median home value

$881,200$1,088,700

Median gross rent

$2,246$2,799

Year	Population	Median household income	Median home value	Median gross rent
2019	38,504	$105,065	$881,200	$2,246
2020	39,139	$104,641	$894,700	$2,319
2021	39,370	$108,692	$938,100	$2,424
2022	38,006	$118,320	$1,053,700	$2,641
2023	38,077	$122,040	$1,088,700	$2,799

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 53.9%

5 to 178.7%

18 to 2427.5%

25 to 3420.3%

35 to 4411.4%

45 to 547.6%

55 to 646.4%

65 to 749.2%

75 and over5.0%

	Count	Share
Under 5	1,487	3.9%
5 to 17	3,305	8.7%
18 to 24	10,475	27.5%
25 to 34	7,731	20.3%
35 to 44	4,328	11.4%
45 to 54	2,891	7.6%
55 to 64	2,445	6.4%
65 to 74	3,505	9.2%
75 and over	1,910	5.0%

Race & ethnicity

	Count	Share
White (non-Hispanic)	22,846	60.0%
Black or African American	2,413	6.3%
American Indian & Alaska Native	53	0.1%
Asian	6,547	17.2%
Native Hawaiian & Pacific Islander	4	0.0%
Some other race	349	0.9%
Two or more races	2,220	5.8%
Hispanic or Latino (any race)	3,645	9.6%

Educational attainment (age 25+)

No high school diploma2.0%

High school graduate4.2%

Some college or associate's8.2%

Bachelor's degree29.5%

Graduate or professional degree56.1%

	Count	Share
No high school diploma	448	2.0%
High school graduate	958	4.2%
Some college or associate's	1,874	8.2%
Bachelor's degree	6,735	29.5%
Graduate or professional degree	12,795	56.1%

Commute to work

Mean travel time to work: 24 min

Drove alone23.9%

Carpooled3.9%

Public transit14.4%

Walked21.2%

Bicycle5.5%

Worked from home29.1%

Other means2.0%

How workers get to work

	Count	Share
Drove alone	4,803	23.9%
Carpooled	777	3.9%
Public transit	2,889	14.4%
Walked	4,263	21.2%
Bicycle	1,107	5.5%
Worked from home	5,836	29.1%
Other means	410	2.0%

Travel time

	Count	Share
Under 15 min	3,777	26.5%
15 to 29 min	5,045	35.4%
30 to 44 min	3,717	26.1%
45 to 59 min	1,034	7.3%
60+ min	676	4.7%

Households

Average household size: 2.05
Poverty rate: 12.6% (3,700 of 29,413)

	Count	Share
Family households	5,962	41.9%
Nonfamily households	8,277	58.1%

Housing

Median year structure built: 1938

Occupancy

	Count	Share
Occupied	14,239	88.3%
Vacant	1,893	11.7%

Tenure (of occupied units)

	Count	Share
Owner-occupied	5,821	40.9%
Renter-occupied	8,418	59.1%

1-unit, detached14.6%

1-unit, attached7.6%

2 to 4 units27.3%

5 to 19 units18.1%

20 or more units32.3%

Mobile home & other0.1%

Units in structure

	Count	Share
1-unit, detached	2,351	14.6%
1-unit, attached	1,227	7.6%
2 to 4 units	4,407	27.3%
5 to 19 units	2,915	18.1%
20 or more units	5,210	32.3%
Mobile home & other	22	0.1%

ZIP Code 02138

Demographics

Trends

Age distribution

Race & ethnicity

Educational attainment (age 25+)

Commute to work

Households

Housing

Geography

Counties this ZIP covers

Compare with nearby ZIP codes

National ZIP rankings

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