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Zip Code 01840 — Lawrence, MA

01840 is a ZIP Code associated with Lawrence, MA, located within Essex. 01840 ranks #26 out of 44 ZIP codes in Essex County by population (and #275 out of 539 in MA). The area supports an estimated population of 8,522 residents across Data Pending housing units, with a population density of 6,445.5 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.706950, -71.160140)

Data Metric	Local Statistic
Postal / Zip Code	01840
Primary City	Lawrence
State / Province	MA
County	Essex
Total Population	8,522
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	6,445.5 people/sq mi
Timezone	America/New_York

How 01840 Compares

Metric	ZIP 01840	Essex County	MA State Average
Population	8,522	812,999 (Total)	7,043,978 (Total)
Average ZIP Income	Data Pending	N/A	N/A
Population Density	6,445.5 /sq mi	--	--
County Pop Rank	#26 of 44	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 01841	Lawrence	0.4 mi	52,769	N/A
Zip 01843	Lawrence	1.2 mi	27,445	N/A
Zip 01844	Methuen	2.4 mi	53,420	N/A
Zip 01810	Andover	4.2 mi	35,648	N/A
Zip 01845	North Andover	4.5 mi	32,494	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →