ZIP Code 01431

ZIP Code Tabulation Area in Middlesex County, Massachusetts.

Population: 3,188
Median household income: $110,536
Median home value: $362,200

ZIP Code 01431 is a ZIP Code Tabulation Area in Middlesex County, Massachusetts, home to about 3,188 residents. Its median household income of $110,536 runs below the Middlesex County figure of $126,779.

From 2019 to 2023, ZIP Code 01431's population held roughly steady from 3,220 to 3,188, while its median gross rent fell 12.0% from $1,101 to $969.

42.4% of adults 25 and older hold a bachelor's degree or higher. Owners occupy 94.2% of the area's occupied homes.

Demographics

ACS 2019–2023

Population: 3,188
Median age: 50.2 yrs
Median household income: $110,536
Median home value: $362,200
Median gross rent: $969
Housing units: 1,308
Homeownership rate: 94.2%
Bachelor's degree or higher: 42.4%
Unemployment rate: 3.7%

Trends

ACS 5-year · 2019–2023

Population

3,2203,188

Median household income

$97,958$110,536

Median home value

$267,900$362,200

Median gross rent

$1,101$969

Year	Population	Median household income	Median home value	Median gross rent
2019	3,220	$97,958	$267,900	$1,101
2020	3,211	$97,269	$272,500	$1,083
2021	3,189	$95,536	$288,400	$1,024
2022	3,187	$105,750	$328,700	$987
2023	3,188	$110,536	$362,200	$969

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

Age distribution

Under 52.5%

5 to 1713.2%

18 to 245.7%

25 to 348.8%

35 to 4412.0%

45 to 5415.1%

55 to 6422.3%

65 to 7414.6%

75 and over5.7%

	Count	Share
Under 5	80	2.5%
5 to 17	421	13.2%
18 to 24	181	5.7%
25 to 34	282	8.8%
35 to 44	383	12.0%
45 to 54	482	15.1%
55 to 64	712	22.3%
65 to 74	465	14.6%
75 and over	182	5.7%

Race & ethnicity

	Count	Share
White (non-Hispanic)	3,004	94.2%
Black or African American	0	0.0%
American Indian & Alaska Native	0	0.0%
Asian	14	0.4%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	59	1.9%
Hispanic or Latino (any race)	111	3.5%

Educational attainment (age 25+)

No high school diploma6.7%

High school graduate25.8%

Some college or associate's25.1%

Bachelor's degree22.6%

Graduate or professional degree19.8%

	Count	Share
No high school diploma	168	6.7%
High school graduate	647	25.8%
Some college or associate's	629	25.1%
Bachelor's degree	567	22.6%
Graduate or professional degree	495	19.8%

Commute to work

Mean travel time to work: 36 min

Drove alone71.5%

Carpooled9.3%

Public transit0.3%

Walked2.5%

Bicycle0.0%

Worked from home16.5%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	1,330	71.5%
Carpooled	173	9.3%
Public transit	5	0.3%
Walked	46	2.5%
Bicycle	0	0.0%
Worked from home	306	16.5%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	243	15.6%
15 to 29 min	407	26.2%
30 to 44 min	362	23.3%
45 to 59 min	184	11.8%
60+ min	358	23.0%

Households

Average household size: 2.52
Poverty rate: 2.8% (89 of 3,188)

	Count	Share
Family households	921	72.9%
Nonfamily households	343	27.1%

Housing

Median year structure built: 1971

Occupancy

	Count	Share
Occupied	1,264	96.6%
Vacant	44	3.4%

Tenure (of occupied units)

	Count	Share
Owner-occupied	1,191	94.2%
Renter-occupied	73	5.8%

1-unit, detached96.4%

1-unit, attached2.3%

2 to 4 units0.6%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other0.7%

Units in structure

	Count	Share
1-unit, detached	1,261	96.4%
1-unit, attached	30	2.3%
2 to 4 units	8	0.6%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	9	0.7%

ZIP Code 01431

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

Nearby ZIP codes