Residential delivery area · Massachusetts
ZIP Code 01845: North Andover, MA
ZIP code 01845 uses the postal name North Andover, Massachusetts and lies entirely in Essex County (Census 2020 ZIP-county file). About 32,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $140,670 (Census Bureau, ACS 2020-2024). Its land lies mostly outside any Census place; under 1% is in small places.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- North Andover · its only residential ZIP
- County
- Essex County
- Metro area
- Boston-Cambridge-Newton, MA-NH
- House district
- MA-6 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 26.4 sq mi · 1,230 people per sq mi
Where is ZIP code 01845?
01845 centers on 42.674°, -71.091° and covers 26.4 square miles of land plus 1.4 of water. It borders 8 ZIP codes: 01921, 01843, 01810, 01841, 01835, 01949, 01844, 01864.
The map draws ZIP code areas only. For the streets inside 01845, 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 01845 compare with the rest of Essex County?
| Measure | 01845 | In Essex County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 32,494 | 8th of 44 | 48th of 539 |
| Median household income | $141k | 13th of 39 | 97th of 406 |
| Median home value | $733k | 18th of 40 | 109th of 449 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 80% 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 01845?
The 2020 Census counted 31,855 people in 01845; the ACS, which samples households over 2020-2024, estimates 32,494. Between the 2010 and 2020 censuses its population grew 12.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 32,494
- 2020 Census count
- 31,855+12.4% since 2010 (28,352)
- Households
- 11,546
- Median age
- 38.5
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 01845?
Of the 32,494 people the ACS estimates in 01845, 20.6% are under 18 and 16.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (78.4%).
- Under 1820.6%
- 18 to 6462.9%
- 65 and older16.5%
- White, not Hispanic78.4%
- Hispanic or Latino7.8%
- Asian, not Hispanic6.5%
- Other or two or more4.3%
- Black, not Hispanic3.0%
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 01845 earn?
Median household income is $140,670 (ACS 2020-2024), the 13th highest of the 39 ranked ZIP codes in Essex County. It is not measurably different from 2015-2019 ($132,601 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $140,670
- Income per person
- $64,833
- Below the poverty line
- 9.4%
- Unemployed (of the labor force)
- 3.5%
- Adults 25+ with a bachelor's degree
- 61.1%
- Adjusted gross income per tax return, 2022
- $163,88615,210 returns; wages 65% 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 01845?
FHFA's house price index for 01845, built from repeat sales and appraisals of the same homes, rose 79% from 2015 to 2025 and rose 50% from 2020 to 2025, and moved +2.8% in 2025.
- Median home value (owners' estimate)
- $732,900
- Median gross rent
- $2,223
- Homes owned by their occupants
- 69.8%
- Housing units
- 12,115
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 01845?
938 business establishments had a location in this ZIP code in 2023, 32 more than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services159
- Health care and social assistance153
- Other services (except public administration)90
- Construction82
- Accommodation and food services82
- Retail trade73
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 01845?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 01921 | Boxford | 8,250 | $201k | 3.3 mi |
| 01843 | Lawrence | 27,445 | $68k | 3.7 mi |
| 01810 | Andover | 35,648 | $173k | 4.0 mi |
| 01841 | Lawrence | 52,769 | $57k | 4.1 mi |
| 01835 | Haverhill | 14,782 | $114k | 5.4 mi |
| 01949 | Middleton | 9,816 | $167k | 6.2 mi |
| 01844 | Methuen | 53,420 | $113k | 6.5 mi |
| 01864 | North Reading | 15,765 | $148k | 6.6 mi |
| 01840 | Lawrence | 8,522 | $42k | 4.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.