Residential delivery area · Massachusetts
ZIP Code 01850: Lowell, MA
ZIP code 01850 is in Lowell, Massachusetts, entirely in Middlesex County (Census 2020 ZIP-county file). About 18,000 people live there (Census Bureau, ACS 2020-2024), the least populous of Lowell's 4 residential ZIP codes. Median household income is $69,780 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Lowell · 4 residential ZIPs
- County
- Middlesex County
- Census places
- Lowell
- Metro area
- Boston-Cambridge-Newton, MA-NH
- House district
- MA-3 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 1.4 sq mi · 13,035 people per sq mi
- PO Box ZIPs
- 01853 also use the name Lowell
Where is ZIP code 01850?
01850 centers on 42.656°, -71.303° and covers 1.4 square miles of land plus 0.1 of water. It borders 3 ZIP codes: 01826, 01852, 01854.
The map draws ZIP code areas only. For the streets inside 01850, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 01850 compare with the rest of Lowell?
| Measure | 01850 | In Lowell | In Middlesex County | In MA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 17,740 | 4th of 4 | 43rd of 83 | 149th of 539 |
| Median household income | $70k | 4th of 4 | 78th of 78 | 360th of 406 |
| Median home value | $391k | 4th of 4 | 79th of 80 | 351st of 449 |
Its median household income is higher than in 46% of U.S. residential ZIP codes, and it is denser than 98% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 01850?
The 2020 Census counted 16,670 people in 01850; the ACS, which samples households over 2020-2024, estimates 17,740. Between the 2010 and 2020 censuses its population grew 9.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 17,740
- 2020 Census count
- 16,670+9.4% since 2010 (15,237)
- Households
- 6,089
- Median age
- 33.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 01850?
Of the 17,740 people the ACS estimates in 01850, 28.9% are under 18 and 9.3% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (36.9%), then Hispanic or Latino (33.6%).
- Under 1828.9%
- 18 to 6461.8%
- 65 and older9.3%
- White, not Hispanic36.9%
- Hispanic or Latino33.6%
- Black, not Hispanic13.6%
- Asian, not Hispanic10.8%
- Other or two or more5.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 01850 earn?
Median household income is $69,780 (ACS 2020-2024), the 78th highest of the 78 ranked ZIP codes in Middlesex County. It is not measurably different from 2015-2019 ($64,818 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $69,780
- Income per person
- $27,609
- Below the poverty line
- 17.8%
- Unemployed (of the labor force)
- 8.0%
- Adults 25+ with a bachelor's degree
- 19.8%
- Adjusted gross income per tax return, 2022
- $52,9137,940 returns; wages 87% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 01850?
FHFA's house price index for 01850, built from repeat sales and appraisals of the same homes, rose 122% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +4.0% in 2025.
- Median home value (owners' estimate)
- $390,800
- Median gross rent
- $1,707
- Homes owned by their occupants
- 49.3%
- Housing units
- 6,221
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 01850?
136 business establishments had a location in this ZIP code in 2023, 22 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade27
- Construction25
- Other services (except public administration)16
- Accommodation and food services15
- Administrative and support and waste management and remediation services14
- Real estate and rental and leasing9
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 01850?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 01826 | Dracut | 32,629 | $114k | 1.6 mi |
| 01852 | Lowell | 37,144 | $81k | 1.6 mi |
| 01854 | Lowell | 30,081 | $73k | 2.3 mi |
| 01851 | Lowell | 33,403 | $92k | 2.6 mi (near) |
| 01876 | Tewksbury | 31,004 | $130k | 4.9 mi (near) |
| 01863 | North Chelmsford | 9,796 | $145k | 5.1 mi (near) |
| 01824 | Chelmsford | 26,650 | $140k | 5.2 mi (near) |
| 01862 | North Billerica | 12,129 | $139k | 5.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.