Zip Code 01851
Lowell, Massachusetts — Middlesex County
📍 ZIP code 01851 is in Lowell, Middlesex County, Massachusetts.
ZIP code 01851 is located in Lowell, Middlesex County, Massachusetts. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 32,308. The area code for ZIP code 01851 is 978.
Quick Answer
Zip code 01851 is in Lowell, Massachusetts (Middlesex County). It has a population of 32,308, median household income of $87,962, and median home value of $432,100.
Population
32,308
Income
$87,962
Home Value
$432,100
Climate
85°F / 16°F
About Zip Code 01851
Zip code 01851 is located in Lowell, Massachusetts, within Middlesex County. Home to approximately 32,308 residents, this area sits at an elevation of 192 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 978.
The median household income is $87,962 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $432,100, and the cost of living index is 128 (28% above the national average of 100).
Summers average a high of 85°F while winters drop to 16°F. The area receives about 49 in of rain and 34 in of snow annually. The zip code covers 3.3 square miles of land area.
Key Statistics
32,308
$87,962
$432,100
Eastern (EST/EDT)
978
192 ft
3.3 sq mi
35.6
11,759
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Compare With Nearby Zip Codes
| Metric | 01851 | 01854 | 01852 | 01850 | 01863 | 01824 |
|---|---|---|---|---|---|---|
| City | Lowell, MA | Lowell, MA | Billerica, MA | Dracut, MA | North Chelmsford, MA | Billerica, MA |
| Population | 32,308 | 28,808 | 36,700 | 16,983 | 9,592 | 26,628 |
| Median Income | $87,962 | $70,397 | $77,058 | $67,581 | $136,284 | $141,337 |
| Home Value | $432,100 | $360,500 | $397,200 | $367,200 | $477,900 | $590,900 |
| Cost of Living | 128 | 107 | 119 | 109 | 160 | 191 |
| Median Age | 35.6 | 32.8 | 37.5 | 34.5 | 42.8 | 42.8 |
Cost of Living
100 = National Average. Lowell's cost of living is 28% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.9x
Demographics
Zip code 01851 has a population of 32,308 people with a median age of 35.6. There are 11,759 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Lowell (01851) population trend from 2010 to 2024
↑ 14.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
85°F
16°F
49 in
34 in
Lowell experiences warm summers with average highs around 85°F. Winters are cold with lows averaging 16°F. With 34 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$432,100
Median Household Income
$87,962
With 11,759 housing units across 3.3 square miles, 01851 has a housing density of 3,563 units per square mile. The home price-to-income ratio is 4.9x.
Location & Geography
Latitude
42.6278°
Longitude
-71.3353°
Land Area
3.3 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 01851 (Lowell, MA) with distances:
All Zip Codes in Lowell, MA
Other zip codes serving Lowell:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 01851's $87,962. A way to compare Lowell to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 01851 (Lowell, MA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Lowell, Massachusetts?
Lowell, Massachusetts uses zip code 01851 along with 1 other zip codes.
What county is zip code 01851 in?
Zip code 01851 is located in Middlesex County, Massachusetts.
What is the population of zip code 01851?
The population of zip code 01851 is 32,308 with a median age of 35.6.
Is 01851 in Lowell, Massachusetts?
Yes, zip code 01851 is in Lowell, Middlesex County, Massachusetts. The area code is 978.
Frequently Asked Questions
What city is zip code 01851 in?
Zip code 01851 is in Lowell, Massachusetts. It is part of Middlesex County and uses the Eastern (EST/EDT) timezone.
What is zip code 01851?
Zip code 01851 is a U.S. postal code in Lowell, Massachusetts (Middlesex County). It has a population of 32,308 and covers 3.3 square miles.
What is the population of zip code 01851?
The population of zip code 01851 (Lowell, MA) is 32,308 with a median age of 35.6. There are approximately 11,759 housing units in this area.
What is the median income in zip code 01851?
The median household income in zip code 01851 (Lowell, MA) is $87,962 per year. The cost of living index is 128 (100 = national average).
What is the average home price in zip code 01851?
The median home value in zip code 01851 (Lowell, MA) is $432,100. The cost of living index is 128 compared to the national average of 100.
What county is zip code 01851 in?
Zip code 01851 is located in Middlesex County, Massachusetts. The primary city is Lowell.
What is the area code for zip code 01851?
Zip code 01851 in Lowell, MA uses area code 978. It is located in the Eastern (EST/EDT) timezone.
Is zip code 01851 a good place to live?
Zip code 01851 (Lowell, MA) has a cost of living index of 128 (100 = national average), a median household income of $87,962, and median home values of $432,100. The median age is 35.6. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 01851?
The cost of living index for zip code 01851 (Lowell, MA) is 128, where 100 represents the national average. This area is above the national average. Median home value: $432,100.
What schools serve zip code 01851?
Zip code 01851 in Lowell, Massachusetts is served by the local school district of Middlesex County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.