Zip Code 02149
Chelsea, Massachusetts — Middlesex County
📍 ZIP code 02149 is in Chelsea, Middlesex County, Massachusetts.
ZIP code 02149 is located in Chelsea, Middlesex County, Massachusetts. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 49,236. The area code for ZIP code 02149 is 617.
Quick Answer
Zip code 02149 is in Chelsea, Massachusetts (Middlesex County). It has a population of 49,236, median household income of $79,658, and median home value of $605,200.
Population
49,236
Income
$79,658
Home Value
$605,200
Climate
82°F / 23°F
About Zip Code 02149
Zip code 02149 is located in Chelsea, Massachusetts, within Middlesex County. Home to approximately 49,236 residents, this area sits at an elevation of 30 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 617.
The median household income is $79,658 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $605,200, and the cost of living index is 161 (61% above the national average of 100).
Summers average a high of 82°F while winters drop to 23°F. The area receives about 44 in of rain and 49 in of snow annually. The zip code covers 3.4 square miles of land area and 0.2 square miles of water.
Key Statistics
49,236
$79,658
$605,200
Eastern (EST/EDT)
617
30 ft
3.4 sq mi
35.8
18,541
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Compare With Nearby Zip Codes
| Metric | 02149 | 02150 | 02148 | 02129 | 02145 | 02109 |
|---|---|---|---|---|---|---|
| City | Chelsea, MA | Chelsea, MA | Malden, MA | Charlestown, MA | Chelsea, MA | Boston, MA |
| Population | 49,236 | 39,444 | 65,509 | 19,994 | 27,929 | 3,714 |
| Median Income | $79,658 | $72,122 | $95,298 | $157,192 | $119,167 | $177,500 |
| Home Value | $605,200 | $476,500 | $607,500 | $926,000 | $784,900 | $1,007,200 |
| Cost of Living | 161 | 134 | 170 | 250 | 229 | 250 |
| Median Age | 35.8 | 34.5 | 35.8 | 36 | 33.2 | 32.7 |
Cost of Living
100 = National Average. Chelsea's cost of living is 61% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
7.6x
Demographics
Zip code 02149 has a population of 49,236 people with a median age of 35.8. There are 18,541 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Chelsea (02149) population trend from 2010 to 2024
↑ 12.6%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
82°F
23°F
44 in
49 in
Chelsea experiences warm summers with average highs around 82°F. Winters are cool with lows averaging 23°F. With 49 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$605,200
Median Household Income
$79,658
With 18,541 housing units across 3.4 square miles, 02149 has a housing density of 5,453 units per square mile. The home price-to-income ratio is 7.6x.
Location & Geography
Latitude
42.4059°
Longitude
-71.0546°
Land Area
3.4 sq mi
Water Area
0.2 sq mi
Nearby Zip Codes
Zip codes closest to 02149 (Chelsea, MA) with distances:
All Zip Codes in Chelsea, MA
Other zip codes serving Chelsea:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 02149's $79,658. A way to compare Chelsea to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 02149 (Chelsea, MA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Chelsea, Massachusetts?
Chelsea, Massachusetts uses zip code 02149 along with 6 other zip codes.
What county is zip code 02149 in?
Zip code 02149 is located in Middlesex County, Massachusetts.
What is the population of zip code 02149?
The population of zip code 02149 is 49,236 with a median age of 35.8.
Is 02149 in Chelsea, Massachusetts?
Yes, zip code 02149 is in Chelsea, Middlesex County, Massachusetts. The area code is 617.
Frequently Asked Questions
What city is zip code 02149 in?
Zip code 02149 is in Chelsea, Massachusetts. It is part of Middlesex County and uses the Eastern (EST/EDT) timezone.
What is zip code 02149?
Zip code 02149 is a U.S. postal code in Chelsea, Massachusetts (Middlesex County). It has a population of 49,236 and covers 3.4 square miles.
What is the population of zip code 02149?
The population of zip code 02149 (Chelsea, MA) is 49,236 with a median age of 35.8. There are approximately 18,541 housing units in this area.
What is the median income in zip code 02149?
The median household income in zip code 02149 (Chelsea, MA) is $79,658 per year. The cost of living index is 161 (100 = national average).
What is the average home price in zip code 02149?
The median home value in zip code 02149 (Chelsea, MA) is $605,200. The cost of living index is 161 compared to the national average of 100.
What county is zip code 02149 in?
Zip code 02149 is located in Middlesex County, Massachusetts. The primary city is Chelsea.
What is the area code for zip code 02149?
Zip code 02149 in Chelsea, MA uses area code 617. It is located in the Eastern (EST/EDT) timezone.
Is zip code 02149 a good place to live?
Zip code 02149 (Chelsea, MA) has a cost of living index of 161 (100 = national average), a median household income of $79,658, and median home values of $605,200. The median age is 35.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 02149?
The cost of living index for zip code 02149 (Chelsea, MA) is 161, where 100 represents the national average. This area is above the national average. Median home value: $605,200.
What schools serve zip code 02149?
Zip code 02149 in Chelsea, Massachusetts is served by the local school district of Middlesex County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.