Residential delivery area · Massachusetts
ZIP Code 01741: Carlisle, MA
ZIP code 01741 uses the postal name Carlisle, Massachusetts and lies entirely in Middlesex County (Census 2020 ZIP-county file). About 5,200 people live there (Census Bureau, ACS 2020-2024). Median household income is $250,000 or more (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Carlisle · its only residential ZIP
- County
- Middlesex County
- Metro area
- Boston-Cambridge-Newton, MA-NH
- House district
- MA-3 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 15.3 sq mi · 343 people per sq mi
Where is ZIP code 01741?
01741 centers on 42.537°, -71.361° and covers 15.3 square miles of land plus 0.3 of water. It borders 7 ZIP codes: 01824, 01862, 01730, 01742, 01886, 01720, 01821.
The map draws ZIP code areas only. For the streets inside 01741, 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 01741 compare with the rest of Middlesex County?
| Measure | 01741 | In Middlesex County | In MA |
|---|---|---|---|
| People (ACS 2020-2024) | 5,239 | 72nd of 83 | 336th of 539 |
| Median household income | $250k+ | 1= of 78 | 1= of 406 |
| Median home value | $1.1M | 20th of 80 | 35th of 449 |
1= means a shared first place: 01741's median household income ties with 3 other ZIP codes at the Census cap in Middlesex County; median household income ties with 5 other ZIP codes at the Census cap in Massachusetts.
Its median household income is at the Census cap of $250,000 or more, like 117 other U.S. residential ZIP codes (69 of the 118 are large enough to rank), and it is denser than 68% 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 01741?
The 2020 Census counted 5,237 people in 01741; the ACS, which samples households over 2020-2024, estimates 5,239. Between the 2010 and 2020 censuses its population grew 7.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 5,239
- 2020 Census count
- 5,237+7.9% since 2010 (4,852)
- Households
- 1,776
- Median age
- 45.3
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 01741?
Of the 5,239 people the ACS estimates in 01741, 26.4% are under 18 and 21.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (80.1%), then Asian (not Hispanic) (11.2%).
- Under 1826.4%
- 18 to 6451.8%
- 65 and older21.7%
- White, not Hispanic80.1%
- Asian, not Hispanic11.2%
- Other or two or more4.6%
- Hispanic or Latino3.0%
- Black, not Hispanic1.0%
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 01741 earn?
Median household income is $250,000 or more (ACS 2020-2024), the highest of the 78 ranked ZIP codes in Middlesex County.
- Median household income
- $250,000 or more
- Income per person
- $113,288
- Below the poverty line
- 1.5%
- Unemployed (of the labor force)
- 4.1%
- Adults 25+ with a bachelor's degree
- 87.2%
- Adjusted gross income per tax return, 2022
- $336,3872,560 returns; wages 55% 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 01741?
FHFA's house price index for 01741, built from repeat sales and appraisals of the same homes, rose 83% from 2015 to 2025 and rose 53% from 2020 to 2025, and moved +3.1% in 2025.
- Median home value (owners' estimate)
- $1,103,900
- Median gross rent
- $1,313
- Homes owned by their occupants
- 93.6%
- Housing units
- 1,805
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 01741?
105 business establishments had a location in this ZIP code in 2023, 7 fewer than in 2018; the most are in professional, scientific, and technical services (ZIP Code Business Patterns).
- Professional, scientific, and technical services28
- Construction11
- Administrative and support and waste management and remediation services11
- Health care and social assistance9
- Other services (except public administration)8
- Manufacturing7
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 01741?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 01824 | Chelmsford | 26,650 | $140k | 3.7 mi |
| 01862 | North Billerica | 12,129 | $139k | 4.4 mi |
| 01730 | Bedford | 14,707 | $172k | 4.8 mi |
| 01742 | Concord | 18,448 | $195k | 5.1 mi |
| 01886 | Westford | 24,690 | $187k | 5.2 mi |
| 01720 | Acton | 23,526 | $159k | 5.4 mi |
| 01821 | Billerica | 30,143 | $149k | 5.6 mi |
| 01718 | Acton | 404 | $104k | 3.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.