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ZIP code 01851: Lowell, MA

01851 is a ZIP code in Lowell, Massachusetts, mainly in Middlesex County, part of the Boston-Cambridge-Newton, MA-NH metro area. About 33,403 people live here.

Population
33,403
Median household income
$92,401
Typical home value
$520,000+0.7% in 12 months
Median rent
$1,714gross, per month
Median age
36.4
Homeowners
43.7%of occupied homes
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Shaded: ZIP code 01851's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 01851 details

CityLowell
StateMassachusetts
CountyMiddlesex County
Metro areaBoston-Cambridge-Newton, MA-NH
Time zoneEastern Time (UTC−5), observes daylight saving time
TypeStandard (delivery area)
Land area3.2 sq mi, plus 0.1 sq mi of water
Population density10,341 people per sq mi
Bachelor's degree or higher30.2% of adults 25+
Average commute28.8 minutes
Center coordinates42.62800, -71.33676

Median rent in 01851 by bedrooms

SizeMedian gross rent
Studio$851/mo
1 bedroom$1,446/mo
2 bedrooms$1,763/mo
3 bedrooms$1,877/mo
4 bedrooms$1,673/mo
5+ bedrooms$1,996/mo

Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.

ZIP codes near 01851

ZIP codeCityDistancePopulation
01853Lowell, MA1.1 mi—
01854Lowell, MA1.6 mi30,081
01852Lowell, MA2.1 mi37,144
01850Lowell, MA2.6 mi17,740
01824Chelmsford, MA2.7 mi26,650
01863North Chelmsford, MA3.1 mi9,796
01862North Billerica, MA4.0 mi12,129
01826Dracut, MA4.0 mi32,629

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

Buying a home in 01851?

A typical home in ZIP code 01851 is worth about $520,000 (Zillow Home Value Index). The median household here earns $92,401 a year. See what buying here would cost per month, with Massachusetts average taxes and insurance filled in.

Monthly payment for a $520,000 homeWhat can a $92,401 income afford?Rental property numbers

About ZIP code 01851

What city is ZIP code 01851?

ZIP code 01851 is in Lowell, MA, in Middlesex County.

What county is ZIP code 01851 in?

01851 is mainly in Middlesex County, Massachusetts.

What is the population of ZIP code 01851?

About 33,403 people live in ZIP code 01851, according to the American Community Survey 2020–2024 5-year estimates.

What time zone is ZIP code 01851 in?

01851 is in Eastern Time (UTC−5). It observes daylight saving time.

What other ZIP codes does Lowell have?

Lowell, MA also uses 01850, 01852, 01853 and 01854.