US Census Data

ZIP Code 01720

ZIP Code Tabulation Area in Middlesex County, Massachusetts.

Population
23,322
+2.3%’19–’23
Median household income
$154,101
+9.1%’19–’23
Median home value
$766,500
+30.3%’19–’23

Covering part of Middlesex County, Massachusetts, ZIP Code 01720 has about 23,322 residents. At $154,101, its median household income sits above Middlesex County's $126,779.

Between 2019 and 2023, ZIP Code 01720's population grew 2.3% from 22,791 to 23,322, while its median gross rent rose 33.0% from $1,435 to $1,908.

The typical home was built around 1974. 3.5% of residents live below the poverty line.

Demographics

ACS 2019–2023
Population
23,322
Median age
44.1 yrs
Median household income
$154,101
Median home value
$766,500
Median gross rent
$1,908
Housing units
8,937
Homeownership rate
75.4%
Bachelor's degree or higher
77.8%
Unemployment rate
5.3%

Trends

ACS 5-year · 2019–2023
Population
22,79123,322
Median household income
$141,265$154,101
Median home value
$588,100$766,500
Median gross rent
$1,435$1,908
YearPopulationMedian household incomeMedian home valueMedian gross rent
201922,791$141,265$588,100$1,435
202022,914$138,750$598,700$1,512
202123,107$138,220$624,000$1,648
202223,081$151,339$704,100$1,778
202323,322$154,101$766,500$1,908

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

Age distribution

CountShare
Under 58243.5%
5 to 174,80420.6%
18 to 241,4796.3%
25 to 341,4586.3%
35 to 443,59915.4%
45 to 543,69415.8%
55 to 643,66715.7%
65 to 742,1919.4%
75 and over1,6066.9%

Race & ethnicity

CountShare
White (non-Hispanic)14,57762.5%
Black or African American9594.1%
American Indian & Alaska Native00.0%
Asian5,65424.2%
Native Hawaiian & Pacific Islander00.0%
Some other race3091.3%
Two or more races9544.1%
Hispanic or Latino (any race)8693.7%

Educational attainment (age 25+)

CountShare
No high school diploma4122.5%
High school graduate1,1397.0%
Some college or associate's2,04612.6%
Bachelor's degree5,20132.1%
Graduate or professional degree7,41745.7%

Commute to work

Mean travel time to work
35 min

How workers get to work

CountShare
Drove alone6,93655.5%
Carpooled5934.7%
Public transit3512.8%
Walked2391.9%
Bicycle130.1%
Worked from home4,27134.2%
Other means1010.8%

Travel time

CountShare
Under 15 min1,34616.3%
15 to 29 min2,41829.4%
30 to 44 min1,86922.7%
45 to 59 min1,13613.8%
60+ min1,46417.8%

Households

Average household size
2.62
Poverty rate
3.5% (804 of 23,176)
CountShare
Family households6,55474.3%
Nonfamily households2,26725.7%

Housing

Median year structure built
1974

Occupancy

CountShare
Occupied8,82198.7%
Vacant1161.3%

Tenure (of occupied units)

CountShare
Owner-occupied6,65275.4%
Renter-occupied2,16924.6%

Units in structure

CountShare
1-unit, detached5,86965.7%
1-unit, attached5366.0%
2 to 4 units4354.9%
5 to 19 units1,13112.7%
20 or more units90710.1%
Mobile home & other590.7%

Geography

ZCTA
01720
Land area
20 sq mi
Water area
0.43 sq mi
Center point
42.4840, -71.4385

Counties this ZIP covers

1

Compare with nearby ZIP codes

4

National ZIP rankings

21

Nearby ZIP codes

4