01742 ZIP Code — Concord, MA

Middlesex County, Massachusetts

ZIP code 01742 is located in Concord, Massachusetts, within Middlesex County. It covers approximately 24.13 square miles and serves a population of 18,311 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 978.

About ZIP code 01742

The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $1,021,400. Owner-occupancy is high at 76%, well above the national average.

The gap between median ($183,657) and mean household income suggests income inequality — a small number of higher earners pull the average up. The poverty rate of 3% is below the national average. 35% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 32 minutes is near the national average. Remote work is prevalent — 32% of workers work from home.

Educational attainment is high — 77% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 01742 reflects a community defined by a highly educated population, high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

18,311

population

24.13

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

01742 ZIP code map

Cities in ZIP code 01742

Below are the cities the US Postal Service accepts for ZIP code 01742. Using any city not on this list may result in mail delivery delays.

City	Status
Concord	Acceptable
Concord	Preferred

Nearby ZIP codes

01773 Lincoln (3.5 mi) 01731 Hanscom Afb (4 mi) 01720 Acton (4.2 mi) 01741 Carlisle (5 mi) 01718 Acton (5.2 mi) 01754 Maynard (5.3 mi) 01730 Bedford (5.3 mi) 01776 Sudbury (5.8 mi) 01778 Wayland (6.9 mi) 01775 Stow (7.4 mi) 01719 Boxborough (8.1 mi) 01460 Littleton (8.1 mi)

Demographics updated 05/2026

Population
Total population	18,311
Population density	759 / sq mi
State FIPS	25
County FIPS	017

Geography
Land area	24.13 sq mi
Water area	1.30 sq mi
Latitude	42.4606
Longitude	-71.3642
Timezone	Eastern (ET)
Area code	978

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.1%	23.8%	31.3%
$50k – $100k	17.2%	23.1%	25.9%
$100k – $200k	29.9%	32.1%	28.5%
Over $200k	39.8%	20.9%	14.3%

Demographics & statistics

18,311

Population

759

People per sq mi

46.4

Median age

$183,657

Median household income

$92,389

Per capita income

$1,021,400

Median home value

$2,538

Median monthly rent

75.7%

Home ownership

2.5%

Poverty rate

4.3%

Unemployment

5,324

Housing units

77.0%

Bachelor's or higher

Age distribution

Male Female

370

Under 5

366

564

5–9

559

784

10–14

777

704

15–19

697

373

20–24

369

541

25–34

536

1,061

35–44

1,051

1,310

45–54

1,299

775

55–59

768

660

60–64

654

1,159

65–74

1,149

465

75–84

460

432

85+

428

← Male

Female →

Age summary

Group	Count	%
Under 18	4,446	24.3%
18 and over	13,865	75.7%
65 and over	4,093	22.4%
Median age	46.4 years

Race & ethnicity

White 78%

Two or more races 7.3%

Hispanic or Latino 5.3%

Asian 4.5%

Black or African American 3.4%

Other race 1.4%

American Indian / Alaska Native 0.2%

Group	Count	%
White	15,071	78%
Two or more races	1,405	7.3%
Hispanic or Latino	1,020	5.3%
Asian	876	4.5%
Black or African American	658	3.4%
Other race	267	1.4%
American Indian / Alaska Native	34	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.1%	23.8%	31.3%
$50k – $100k	17.2%	23.1%	25.9%
$100k – $200k	29.9%	32.1%	28.5%
Over $200k	39.8%	20.9%	14.3%

Under $10k 1.8%

$10k–$15k 0.5%

$15k–$25k 3.1%

$25k–$35k 1.5%

$35k–$50k 4.7%

$50k–$75k 9.6%

$75k–$100k 4.5%

$100k–$150k 12.0%

$150k–$200k 16.4%

$200k+ 45.8%

Range	% of households
Under $10k	1.8%
$10k–$15k	0.5%
$15k–$25k	3.1%
$25k–$35k	1.5%
$35k–$50k	4.7%
$50k–$75k	9.6%
$75k–$100k	4.5%
$100k–$150k	12.0%
$150k–$200k	16.4%
$200k+	45.8%
Median income	$183,657

Housing

Home values

Under $50k 0.6%

$50k–$100k 0.7%

$100k–$150k 0.4%

$150k–$200k 0.7%

$200k–$300k 1.2%

$300k–$500k 8.3%

$500k–$1M 36.8%

$1M+ 51.3%

Housing overview

Metric	Value
Median home value	$1,021,400
Median rent / month	$2,538
Owner occupied	75.7%
Renter occupied	24.3%
Vacant	6.1%
Single-family detached	66.6%
Large apartment buildings	14.5%
Mobile homes	0.0%
Median rooms	7.5
Avg household size (owned)	2.86

Year built

Era	%
2020 or later	0.3%
2010–2019	8.8%
2000–2009	11.0%
1990–1999	6.7%
1980–1989	7.6%
1970–1979	11.8%
1960–1969	13.5%
1950–1959	14.2%
1940–1949	4.4%
1939 or earlier	21.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	9.5%
2 bedrooms	22.9%
3 bedrooms	19.1%
4 bedrooms	32.7%
5+ bedrooms	15.1%

Vehicles per household

Vehicles	% of households
No vehicle	5.1%
1 vehicle	28.0%
2 vehicles	46.0%
3 or more	20.9%

Heating fuel

Fuel type	%
Utility gas	54.9%
Electricity	9.0%
Propane / LP gas	4.8%
Fuel oil	28.0%
Wood	0.5%
No fuel used	0.8%

Households & families

Household type	Count	%
Married-couple family	4,064	62.8%
Cohabiting couple	141	2.2%
Male householder, no spouse	799	12.3%
Female householder, no spouse	1,472	22.7%
Households with children under 18	2,317	35.8%
Households with seniors (65+)	2,731	42.2%
Average household size	2.64

Marital status

Status	Male	Female
Never married	29.4%	26.1%
Married	58.8%	57.0%
Separated	0.1%	0.3%
Widowed	4.8%	6.1%
Divorced	6.9%	10.5%

Education

Less than 9th grade 0.6%

Some HS, no diploma 2.8%

HS graduate 10.2%

Some college, no degree 5.7%

Associate's degree 3.7%

Bachelor's degree 28.0%

Graduate / professional 49.1%

Metric	%
HS diploma or higher	96.6%
Bachelor's or higher	77.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	379	7.8%
Kindergarten	180	3.7%
Elementary school	1,984	40.8%
High school	1,431	29.4%
College / grad school	886	18.2%

Employment

Industry of employment

Education & healthcare 27.5%

Professional & management 24.5%

Finance & real estate 11.9%

Manufacturing 9.9%

Retail trade 6.8%

Arts, food & hospitality 3.8%

Other services 3.8%

Construction 3.2%

Information 3.2%

Public administration 1.9%

Wholesale trade 1.8%

Agriculture & mining 0.9%

Transportation & utilities 0.9%

Occupation

Category	%
Management, business & arts	76.0%
Service	5.5%
Sales & office	14.3%
Natural resources & construction	2.4%
Production & transportation	1.9%

Employment type

Type	%
Private sector	82.2%
Government	8.4%
Self-employed	8.9%
Unpaid family workers	0.6%

Commute

Method	%
Drive alone	57.8%
Carpool	2.1%
Public transit	3.7%
Walk	2.2%
Work from home	32.2%
Other means	2.0%
Avg commute (minutes)	32.0

Poverty

All people 2.5%

Under 18 years 1.7%

18 and over 2.7%

Married-couple families 0.0%

Female-led households 17.2%

Income support

Source	% of households
Social Security	35.0%
Retirement income	29.9%
Supplemental Security	2.5%
Cash public assistance	1.1%
Food stamps / SNAP	2.3%

Health indicators

Condition	%
Obesity	20.2%
High blood pressure	29.2%
High cholesterol	32.8%
Diabetes	7.5%
Heart disease	5.5%
Stroke	2.3%
Asthma	9.0%
Arthritis	23.2%
Kidney disease	2.6%
Pulmonary disease	4.1%
Cancer	8.8%

Behavior / access	%
Smoking	7.4%
Binge drinking	15.0%
No physical activity	13.8%
Less than 7 hrs sleep	25.6%
Depression	15.5%
Fair or poor health	7.5%
Poor mental health	10.0%
Poor physical health	6.6%
No health insurance	4.3%
Visited doctor (checkup)	78.8%
Visited dentist	80.5%
Cholesterol screening	94.8%
Teeth loss	6.4%

Veterans & disability

Veterans	Count	%
Civilian veterans	726	5.2%

Disability	%
Any disability	9.5%
Under 18	2.5%
18–64 years	5.1%
65 and over	28.0%

Health insurance coverage

Type	%
Private insurance	88.3%
Public insurance	25.3%
No insurance	1.1%
Uninsured under 19	1.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	17,575	96.0%
Spanish	474	2.7%
Other Indo-European	101	0.6%
Asian & Pacific Islander	212	1.2%
Other languages	122	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	16,242	88.7%
Born in same state	15,693	85.7%
Born in different state	9,294	50.8%
Foreign born	549	3.0%
Naturalized citizen	2,069	11.3%
Not a US citizen	1,186	57.3%

Ancestry

Ancestry	Count	%
Italian	4,135	22.6%
French	3,147	17.2%
Arab	353	1.9%
German	276	1.5%
Polish	163	0.9%

Ancestry	Count	%
Norwegian	149	0.8%
English	148	0.8%
Dutch	55	0.3%
Irish	41	0.2%

Technology access

Metric	% of households
Computer access	35.4%
Internet access	97.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 01742

What city is ZIP code 01742 in?

ZIP code 01742 is primarily assigned to Concord, Massachusetts.

What county is ZIP code 01742 in?

ZIP code 01742 falls within Middlesex County, Massachusetts.

How educated is the population of ZIP code 01742?

77% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the median household income in ZIP code 01742?

The median household income in ZIP code 01742 is $183,657, above the national median of ~$75,000.

What is the typical home value in ZIP code 01742?

The median home value in ZIP code 01742 is $1,021,400.

What is the population of ZIP code 01742?

ZIP code 01742 has an estimated population of 18,311 residents, with a density of 759 people per square mile.

What timezone is ZIP code 01742 in?

ZIP code 01742 observes the EST timezone.