Chelsea is a city in Suffolk County, Massachusetts, home to about 39,908 people across 2.2 square miles. Its ZIP code is 02150.
Homes sold for a median of $400 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Chelsea. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Chelsea’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Boston Logan International Airport (BOS)3 miles away |
|---|---|
| Nearest city of 250,000+ | Boston, MA4 miles away |
| Nearest city of 1 million+ | New York, NY192 miles away |
Straight-line distances from the center of Chelsea; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Chelsea had 40,787 residents in the 2020 census, up 16% since 2000.
It’s the 40th largest of 351 towns in Massachusetts by population.
Suffolk County grew from 611,417 residents in 1900 to 797,936 in 2020.
Suffolk County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 82°F in summer, and winter lows average 23°F. About 43.7 inches of rain and melted snow fall in a typical year, with about 49 inches of snow.
Source: NOAA 1991–2020 climate normals, Boston Logan Intl Ap, MA weather station (3 miles away).
720,353 jobs at 22,034 businesses in Suffolk County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
740 doctors and other health care providers list an office in Chelsea.
Nearest hospitals
Providers with an office here
| Primary care doctors | 54 |
|---|---|
| Specialist doctors | 11 |
| Dentists | 50 |
| Nurse practitioners and physician assistants | 39 |
| Mental health providers | 554 |
| Physical and occupational therapists | 28 |
| Optometrists | 2 |
| Chiropractors | 2 |
| Pharmacies | 8 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (42 nearby)
Grocery stores (1 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues (2 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1624.
Notable people born here
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Chelsea, Phoenix Academy Charter Public High School Chelsea. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Shurtleff Early ChildhoodChelsea | Pre-K–1 | 779 | Public | 0.5 mi |
| Edgar F. Hooks ElementaryChelsea | 1–4 | 430 | Public | 0.7 mi |
| Frank M Sokolowski ElementaryChelsea | 1–4 | 472 | Public | 0.7 mi |
| George F. Kelly ElementaryChelsea | 1–5 | 527 | Public | 0.7 mi |
| William A Berkowitz ElementaryChelsea | 1–4 | 455 | Public | 0.7 mi |
| Clark Avenue SchoolChelsea | 5–8 | 673 | Public | 0.1 mi |
| Eugene Wright Science and Technology AcademyChelsea | 5–8 | 436 | Public | 0.3 mi |
| Joseph A. Browne SchoolChelsea | 5–8 | 487 | Public | 0.3 mi |
| Chelsea Virtual Learning AcademyChelsea | 8–12 | 54 | Public | 0.6 mi |
| Chelsea HighChelsea | 9–12 | 1,649 | Public | 0.5 mi |
| Chelsea Opportunity AcademyChelsea | 9–12 | 132 | Alternative Education | 0.5 mi |
| Phoenix Academy Charter Public High School ChelseaChelsea | 9–12 | 198 | Charter, Alternative Education | 0.3 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Seaport AcademyChelsea | 8–12 | 24 | Nonsectarian | 0.9 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.