Residential delivery area · Massachusetts
ZIP Code 01864: North Reading, MA
ZIP code 01864 uses the postal name North Reading, Massachusetts and lies entirely in Middlesex County (Census 2020 ZIP-county file). About 16,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $147,768 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- North Reading · its only residential ZIP
- County
- Middlesex County
- Metro area
- Boston-Cambridge-Newton, MA-NH
- House district
- MA-6 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 13.2 sq mi · 1,198 people per sq mi
Where is ZIP code 01864?
01864 centers on 42.578°, -71.084° and covers 13.2 square miles of land plus 0.3 of water. It borders 6 ZIP codes: 01867, 01940, 01887, 01949, 01810, 01845.
The map draws ZIP code areas only. For the streets inside 01864, 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 01864 compare with the rest of Middlesex County?
| Measure | 01864 | In Middlesex County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 15,765 | 48th of 83 | 177th of 539 |
| Median household income | $148k | 35th of 78 | 81st of 406 |
| Median home value | $711k | 47th of 80 | 119th of 449 |
Its median household income is higher than in 96% 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 01864?
The 2020 Census counted 15,554 people in 01864; the ACS, which samples households over 2020-2024, estimates 15,765. Between the 2010 and 2020 censuses its population grew 4.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 15,765
- 2020 Census count
- 15,554+4.4% since 2010 (14,892)
- Households
- 5,825
- Median age
- 43.0
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 01864?
Of the 15,765 people the ACS estimates in 01864, 22.3% are under 18 and 16.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (86.4%).
- Under 1822.3%
- 18 to 6461.0%
- 65 and older16.7%
- White, not Hispanic86.4%
- Other or two or more6.1%
- Asian, not Hispanic5.0%
- Hispanic or Latino2.1%
- Black, not Hispanic0.3%
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 01864 earn?
Median household income is $147,768 (ACS 2020-2024), the 35th highest of the 78 ranked ZIP codes in Middlesex County. It is not measurably different from 2015-2019 ($157,853 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $147,768±$24,518
- Income per person
- $77,099
- Below the poverty line
- 2.7%
- Unemployed (of the labor force)
- 3.6%
- Adults 25+ with a bachelor's degree
- 56.4%
- Adjusted gross income per tax return, 2022
- $175,4998,240 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 01864?
FHFA's house price index for 01864, built from repeat sales and appraisals of the same homes, rose 83% from 2015 to 2025 and rose 49% from 2020 to 2025, and moved +3.7% in 2025.
- Median home value (owners' estimate)
- $710,500
- Median gross rent
- $2,259
- Homes owned by their occupants
- 84.3%
- Housing units
- 5,933
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 01864?
514 business establishments had a location in this ZIP code in 2023, 12 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction99
- Professional, scientific, and technical services68
- Other services (except public administration)60
- Retail trade51
- Health care and social assistance47
- Administrative and support and waste management and remediation services38
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 01864?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 01867 | Reading | 25,612 | $166k | 3.2 mi |
| 01940 | Lynnfield | 13,285 | $173k | 3.9 mi |
| 01887 | Wilmington | 23,336 | $168k | 4.2 mi |
| 01949 | Middleton | 9,816 | $167k | 4.5 mi |
| 01810 | Andover | 35,648 | $173k | 6.2 mi |
| 01845 | North Andover | 32,494 | $141k | 6.6 mi |
| 01937 | Hathorne | 107 | – | 5.1 mi (near) |
| 01880 | Wakefield | 27,793 | $134k | 5.2 mi (near) |
| 01960 | Peabody | 54,474 | $97k | 6.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name North Reading?
2 more ZIP codes carry the postal name North Reading, MA without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for them.
| ZIP | County |
|---|---|
| 01825 | Middlesex County |
| 01889 | Middlesex County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.