Residential delivery area · Massachusetts
ZIP Code 02145: Somerville, MA
ZIP code 02145 is in Somerville, Massachusetts, entirely in Middlesex County (Census 2020 ZIP-county file). About 27,000 people live there (Census Bureau, ACS 2020-2024), the most populous of Somerville's 3 residential ZIP codes. Median household income is $123,755 (Census Bureau, ACS 2020-2024).
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Somerville · 3 residential ZIPs
- County
- Middlesex County
- Census places
- Somerville
- Neighborhood
- Sommerville GeoNames
- Metro area
- Boston-Cambridge-Newton, MA-NH
- House district
- MA-7 119th Congress
- State
- Massachusetts
- Time zone
- Eastern
- Land area
- 1.4 sq mi · 19,766 people per sq mi
Where is ZIP code 02145?
02145 centers on 42.392°, -71.090° and covers 1.4 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 02143, 02129, 02144, 02149, 02155.
The map draws ZIP code areas only. For the streets inside 02145, 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); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 02145 compare with the rest of Somerville?
| Measure | 02145 | In Somerville | In Middlesex County | In MA |
|---|---|---|---|---|
| People (ACS 2020-2024) | 27,495 | 1st of 3 | 22nd of 83 | 76th of 539 |
| Median household income | $124k | 3rd of 3 | 58th of 78 | 156th of 406 |
| Median home value | $829k | 3rd of 3 | 32nd of 80 | 80th of 449 |
Its median household income is higher than in 92% of U.S. residential ZIP codes, and it is denser than 99% 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 02145?
The 2020 Census counted 27,520 people in 02145; the ACS, which samples households over 2020-2024, estimates 27,495. Between the 2010 and 2020 censuses its population grew 8.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 27,495
- 2020 Census count
- 27,520+8.2% since 2010 (25,439)
- Households
- 11,940
- Median age
- 33.3
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 02145?
Of the 27,495 people the ACS estimates in 02145, 12.5% are under 18 and 11.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (55.5%), then Hispanic or Latino (17.6%).
- Under 1812.5%
- 18 to 6475.5%
- 65 and older11.9%
- White, not Hispanic55.5%
- Hispanic or Latino17.6%
- Asian, not Hispanic12.4%
- Other or two or more8.5%
- Black, not Hispanic6.0%
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 02145 earn?
Median household income is $123,755 (ACS 2020-2024), the 58th highest of the 78 ranked ZIP codes in Middlesex County. It rose from $102,095 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $123,755
- Income per person
- $65,296
- Below the poverty line
- 9.9%
- Unemployed (of the labor force)
- 3.2%
- Adults 25+ with a bachelor's degree
- 57.4%
- Adjusted gross income per tax return, 2022
- $90,57415,300 returns; wages 86% 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 02145?
FHFA's house price index for 02145, built from repeat sales and appraisals of the same homes, rose 89% from 2015 to 2025 and rose 26% from 2020 to 2025, and moved +6.8% in 2025.
- Median home value (owners' estimate)
- $828,600
- Median gross rent
- $2,398
- Homes owned by their occupants
- 35.6%
- Housing units
- 12,537
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 02145?
456 business establishments had a location in this ZIP code in 2023, 12 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade88
- Accommodation and food services80
- Construction47
- Professional, scientific, and technical services47
- Other services (except public administration)46
- Health care and social assistance38
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 02145?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 02143 | Somerville | 25,513 | $131k | 0.8 mi |
| 02129 | Charlestown | 20,032 | $157k | 1.7 mi |
| 02144 | Somerville | 25,448 | $150k | 1.8 mi |
| 02149 | Everett | 50,045 | $85k | 2.1 mi |
| 02155 | Medford | 61,730 | $130k | 2.4 mi |
| 02141 | Cambridge | 14,517 | $127k | 1.5 mi (near) |
| 02142 | Cambridge | 4,737 | $148k | 2.1 mi (near) |
| 02139 | Cambridge | 40,033 | $135k | 2.1 mi (near) |
| 02140 | Cambridge | 21,204 | $135k | 2.3 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.