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Zip Code 01742 — Concord, MA

01742 is a ZIP Code associated with Concord, MA, located within Middlesex. The postal region supports an estimated population of 18,448 residents across Data Pending housing units, with a population density of 295.2 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (42.462210, -71.365040)

Data Metric	Local Statistic
Postal / Zip Code	01742
Primary City	Concord
State / Province	MA
County	Middlesex
Total Population	18,448
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	295.2 people/sq mi
Timezone	America/New_York

How 01742 Compares

Metric	ZIP 01742	Middlesex County	MA State Average
Population	18,448	1,629,277	7,043,978
Median Income	Data Pending	N/A	N/A
Population Density	295.2 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 01773	Lincoln	3.8 mi	4,891	N/A
Zip 01720	Acton	4.0 mi	23,526	N/A
Zip 01731	Hanscom Afb	4.2 mi	2,110	N/A
Zip 01741	Carlisle	4.7 mi	5,239	N/A
Zip 01730	Bedford	5.1 mi	14,707	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 →