Zip Code 01904
Lynn, Massachusetts — Essex County
📍 ZIP code 01904 is in Lynn, Essex County, Massachusetts.
ZIP code 01904 is located in Lynn, Essex County, Massachusetts. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 20,103. The area code for ZIP code 01904 is 978.
Quick Answer
Zip code 01904 is in Lynn, Massachusetts (Essex County). It has a population of 20,103, median household income of $100,597, and median home value of $515,100.
Population
20,103
Income
$100,597
Home Value
$515,100
Climate
80°F / 18°F
About Zip Code 01904
Zip code 01904 is located in Lynn, Massachusetts, within Essex County. Home to approximately 20,103 residents, this area sits at an elevation of 76 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 978.
The median household income is $100,597 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $515,100, and the cost of living index is 152 (52% above the national average of 100).
Summers average a high of 80°F while winters drop to 18°F. The area receives about 48 in of rain and 39 in of snow annually. The zip code covers 4.5 square miles of land area and 0.5 square miles of water.
Key Statistics
20,103
$100,597
$515,100
Eastern (EST/EDT)
978
76 ft
4.5 sq mi
40.9
7,322
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Compare With Nearby Zip Codes
| Metric | 01904 | 01905 | 01902 | 01906 | 01960 | 01907 |
|---|---|---|---|---|---|---|
| City | Lynn, MA | Lynn, MA | Lynn, MA | Saugus, MA | Peabody, MA | Swampscott, MA |
| Population | 20,103 | 27,188 | 51,680 | 28,599 | 53,961 | 15,279 |
| Median Income | $100,597 | $84,341 | $66,755 | $100,819 | $95,173 | $127,714 |
| Home Value | $515,100 | $443,200 | $456,000 | $589,500 | $566,700 | $690,800 |
| Cost of Living | 152 | 132 | 122 | 168 | 158 | 200 |
| Median Age | 40.9 | 33.6 | 35.8 | 43.5 | 46.4 | 45.1 |
Cost of Living
100 = National Average. Lynn's cost of living is 52% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
5.1x
Demographics
Zip code 01904 has a population of 20,103 people with a median age of 40.9. There are 7,322 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Lynn (01904) population trend from 2010 to 2024
↓ -6.3%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
80°F
18°F
48 in
39 in
Lynn experiences warm summers with average highs around 80°F. Winters are cold with lows averaging 18°F. With 39 in of annual snowfall, residents should be prepared for significant winter weather.
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Housing & Economy
Median Home Value
$515,100
Median Household Income
$100,597
With 7,322 housing units across 4.5 square miles, 01904 has a housing density of 1,627 units per square mile. The home price-to-income ratio is 5.1x.
Location & Geography
Latitude
42.4925°
Longitude
-70.9739°
Land Area
4.5 sq mi
Water Area
0.5 sq mi
Nearby Zip Codes
Zip codes closest to 01904 (Lynn, MA) with distances:
All Zip Codes in Lynn, MA
Other zip codes serving Lynn:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 01904's $100,597. A way to compare Lynn 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 01904 (Lynn, 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 Lynn, Massachusetts?
Lynn, Massachusetts uses zip code 01904 along with 3 other zip codes.
What county is zip code 01904 in?
Zip code 01904 is located in Essex County, Massachusetts.
What is the population of zip code 01904?
The population of zip code 01904 is 20,103 with a median age of 40.9.
Is 01904 in Lynn, Massachusetts?
Yes, zip code 01904 is in Lynn, Essex County, Massachusetts. The area code is 978.
Frequently Asked Questions
What city is zip code 01904 in?
Zip code 01904 is in Lynn, Massachusetts. It is part of Essex County and uses the Eastern (EST/EDT) timezone.
What is zip code 01904?
Zip code 01904 is a U.S. postal code in Lynn, Massachusetts (Essex County). It has a population of 20,103 and covers 4.5 square miles.
What is the population of zip code 01904?
The population of zip code 01904 (Lynn, MA) is 20,103 with a median age of 40.9. There are approximately 7,322 housing units in this area.
What is the median income in zip code 01904?
The median household income in zip code 01904 (Lynn, MA) is $100,597 per year. The cost of living index is 152 (100 = national average).
What is the average home price in zip code 01904?
The median home value in zip code 01904 (Lynn, MA) is $515,100. The cost of living index is 152 compared to the national average of 100.
What county is zip code 01904 in?
Zip code 01904 is located in Essex County, Massachusetts. The primary city is Lynn.
What is the area code for zip code 01904?
Zip code 01904 in Lynn, MA uses area code 978. It is located in the Eastern (EST/EDT) timezone.
Is zip code 01904 a good place to live?
Zip code 01904 (Lynn, MA) has a cost of living index of 152 (100 = national average), a median household income of $100,597, and median home values of $515,100. The median age is 40.9. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 01904?
The cost of living index for zip code 01904 (Lynn, MA) is 152, where 100 represents the national average. This area is above the national average. Median home value: $515,100.
What schools serve zip code 01904?
Zip code 01904 in Lynn, Massachusetts is served by the local school district of Essex 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.