01824 ZIP Code — Chelmsford, MA

Middlesex County, Massachusetts

ZIP code 01824 is located in Chelmsford, Massachusetts, within Middlesex County. It covers approximately 18.06 square miles and serves a population of 26,612 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 978/781.

About ZIP code 01824

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1960s, giving the area an established character. Median home value is $547,800. Owner-occupancy is high at 82%, well above the national average.

Median household income is $137,778. The poverty rate of 5% is below the national average.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 29 minutes is near the national average. Remote work is prevalent — 21% of workers work from home.

Educational attainment is high — 57% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 01824 reflects a community defined by a highly educated population, high homeownership, and a high rate of remote workers.

26,612

population

18.06

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

01824 ZIP code map

Cities in ZIP code 01824

Below are the cities the US Postal Service accepts for ZIP code 01824. Using any city not on this list may result in mail delivery delays.

City	Status
Chelmsford	Acceptable
Chelmsford	Preferred

Nearby ZIP codes

01851 Lowell (2.6 mi) 01862 North Billerica (3.3 mi) 01863 North Chelmsford (3.5 mi) 01741 Carlisle (3.8 mi) 01852 Lowell (4 mi) 01854 Lowell (4.3 mi) 01886 Westford (4.6 mi) 01850 Lowell (5.3 mi) 01821 Billerica (5.6 mi) 01718 Acton (6.1 mi) 01876 Tewksbury (6.3 mi) 01879 Tyngsboro (6.4 mi)

Demographics updated 05/2026

Population
Total population	26,612
Population density	1,474 / sq mi
State FIPS	25
County FIPS	017

Geography
Land area	18.06 sq mi
Water area	0.39 sq mi
Latitude	42.5878
Longitude	-71.3518
Timezone	Eastern (ET)
Area code	978/781

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.9%	23.8%	31.3%
$50k – $100k	21.7%	23.1%	25.9%
$100k – $200k	37.5%	32.1%	28.5%
Over $200k	21.9%	20.9%	14.3%

Demographics & statistics

26,612

Population

1,474

People per sq mi

43.6

Median age

$137,778

Median household income

$58,722

Per capita income

$547,800

Median home value

$2,010

Median monthly rent

82.2%

Home ownership

5.3%

Poverty rate

5.4%

Unemployment

8,514

Housing units

56.5%

Bachelor's or higher

Age distribution

Male Female

725

Under 5

763

872

5–9

918

706

10–14

744

689

15–19

725

788

20–24

829

1,315

25–34

1,385

1,586

35–44

1,669

2,032

45–54

2,138

1,044

55–59

1,099

885

60–64

932

1,380

65–74

1,453

724

75–84

763

218

85+

230

← Male

Female →

Age summary

Group	Count	%
Under 18	5,570	20.9%
18 and over	21,042	79.1%
65 and over	4,768	17.9%
Median age	43.6 years

Race & ethnicity

White 77.8%

Asian 8.3%

Hispanic or Latino 5.3%

Two or more races 5.2%

Black or African American 1.7%

Other race 1.6%

American Indian / Alaska Native 0.1%

Group	Count	%
White	21,871	77.8%
Asian	2,321	8.3%
Hispanic or Latino	1,497	5.3%
Two or more races	1,455	5.2%
Black or African American	486	1.7%
Other race	454	1.6%
American Indian / Alaska Native	25	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	18.9%	23.8%	31.3%
$50k – $100k	21.7%	23.1%	25.9%
$100k – $200k	37.5%	32.1%	28.5%
Over $200k	21.9%	20.9%	14.3%

Under $10k 2.7%

$10k–$15k 1.3%

$15k–$25k 4.3%

$25k–$35k 4.1%

$35k–$50k 4.1%

$50k–$75k 9.7%

$75k–$100k 11.0%

$100k–$150k 16.1%

$150k–$200k 16.3%

$200k+ 30.5%

Range	% of households
Under $10k	2.7%
$10k–$15k	1.3%
$15k–$25k	4.3%
$25k–$35k	4.1%
$35k–$50k	4.1%
$50k–$75k	9.7%
$75k–$100k	11.0%
$100k–$150k	16.1%
$150k–$200k	16.3%
$200k+	30.5%
Median income	$137,778

Housing

Home values

Under $50k 1.4%

$50k–$100k 2.3%

$100k–$150k 0.3%

$150k–$200k 0.4%

$200k–$300k 3.7%

$300k–$500k 33.3%

$500k–$1M 57.2%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$547,800
Median rent / month	$2,010
Owner occupied	82.2%
Renter occupied	17.8%
Vacant	3.6%
Single-family detached	72.9%
Large apartment buildings	10.2%
Mobile homes	1.8%
Median rooms	6.7
Avg household size (owned)	2.86

Year built

Era	%
2020 or later	0.2%
2010–2019	3.9%
2000–2009	5.1%
1990–1999	7.5%
1980–1989	10.8%
1970–1979	12.8%
1960–1969	29.4%
1950–1959	14.2%
1940–1949	2.0%
1939 or earlier	14.1%

Bedrooms

Size	% of units
No bedroom (studio)	2.2%
1 bedroom	4.3%
2 bedrooms	19.6%
3 bedrooms	39.4%
4 bedrooms	26.3%
5+ bedrooms	8.4%

Vehicles per household

Vehicles	% of households
No vehicle	3.3%
1 vehicle	23.8%
2 vehicles	47.0%
3 or more	26.0%

Heating fuel

Fuel type	%
Utility gas	76.2%
Electricity	10.9%
Propane / LP gas	2.3%
Fuel oil	8.9%
Wood	0.2%
Solar	0.2%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	6,417	64.8%
Cohabiting couple	468	4.7%
Male householder, no spouse	1,027	10.4%
Female householder, no spouse	1,998	20.2%
Households with children under 18	3,059	30.9%
Households with seniors (65+)	3,274	33.0%
Average household size	2.67

Marital status

Status	Male	Female
Never married	28.3%	25.8%
Married	64.3%	57.6%
Separated	0.4%	1.7%
Widowed	2.1%	7.6%
Divorced	4.9%	7.1%

Education

Less than 9th grade 1.4%

Some HS, no diploma 2.8%

HS graduate 15.8%

Some college, no degree 14.1%

Associate's degree 9.4%

Bachelor's degree 31.1%

Graduate / professional 25.4%

Metric	%
HS diploma or higher	95.9%
Bachelor's or higher	56.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	427	7.1%
Kindergarten	342	5.7%
Elementary school	2,596	42.9%
High school	1,224	20.2%
College / grad school	1,463	24.2%

Employment

Industry of employment

Education & healthcare 24.0%

Professional & management 20.7%

Manufacturing 16.0%

Retail trade 9.5%

Construction 5.2%

Finance & real estate 5.1%

Information 4.1%

Public administration 3.7%

Arts, food & hospitality 3.5%

Transportation & utilities 3.0%

Wholesale trade 2.9%

Other services 2.3%

Occupation

Category	%
Management, business & arts	63.8%
Service	8.0%
Sales & office	18.2%
Natural resources & construction	4.9%
Production & transportation	5.2%

Employment type

Type	%
Private sector	82.4%
Government	15.0%
Self-employed	2.7%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	71.1%
Carpool	3.9%
Public transit	1.7%
Walk	1.2%
Work from home	20.8%
Other means	1.2%
Avg commute (minutes)	28.9

Poverty

All people 5.3%

Under 18 years 5.0%

18 and over 5.3%

Married-couple families 0.8%

Female-led households 22.2%

Income support

Source	% of households
Social Security	29.2%
Retirement income	23.7%
Supplemental Security	5.1%
Cash public assistance	1.7%
Food stamps / SNAP	6.6%

Health indicators

Condition	%
Obesity	20.4%
High blood pressure	27.2%
High cholesterol	30.9%
Diabetes	7.2%
Heart disease	5.0%
Stroke	2.2%
Asthma	9.4%
Arthritis	21.8%
Kidney disease	2.4%
Pulmonary disease	4.2%
Cancer	7.7%

Behavior / access	%
Smoking	8.8%
Binge drinking	16.0%
No physical activity	14.3%
Less than 7 hrs sleep	26.9%
Depression	16.9%
Fair or poor health	7.5%
Poor mental health	11.2%
Poor physical health	6.7%
No health insurance	4.3%
Visited doctor (checkup)	77.3%
Visited dentist	79.2%
Cholesterol screening	93.7%
Teeth loss	7.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	1,067	5.1%

Disability	%
Any disability	10.6%
Under 18	3.9%
18–64 years	8.7%
65 and over	25.1%

Health insurance coverage

Type	%
Private insurance	84.5%
Public insurance	27.8%
No insurance	1.8%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	25,124	94.4%
Spanish	808	3.2%
Other Indo-European	108	0.4%
Asian & Pacific Islander	312	1.2%
Other languages	344	1.4%

Place of birth & citizenship

Origin	Count	%
Native born (US)	23,322	87.6%
Born in same state	23,103	86.8%
Born in different state	17,825	67.0%
Foreign born	219	0.8%
Naturalized citizen	3,290	12.4%
Not a US citizen	1,980	60.2%

Ancestry

Ancestry	Count	%
Italian	6,387	24%
French	3,379	12.7%
Arab	1,285	4.8%
German	1,174	4.4%
English	222	0.8%

Ancestry	Count	%
Irish	174	0.7%
Norwegian	130	0.5%
Polish	111	0.4%
Dutch	21	0.1%

Technology access

Metric	% of households
Computer access	37.2%
Internet access	97.1%

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

Frequently asked questions about ZIP code 01824

What city is ZIP code 01824 in?

ZIP code 01824 is primarily assigned to Chelmsford, Massachusetts.

What county is ZIP code 01824 in?

ZIP code 01824 falls within Middlesex County, Massachusetts.

How educated is the population of ZIP code 01824?

57% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

Is ZIP code 01824 mostly owner-occupied?

82% of occupied units in ZIP code 01824 are owner-occupied, well above the national average.

What is the median household income in ZIP code 01824?

The median household income in ZIP code 01824 is $137,778, above the national median of ~$75,000.

What is the typical home value in ZIP code 01824?

The median home value in ZIP code 01824 is $547,800.

What timezone is ZIP code 01824 in?

ZIP code 01824 observes the EST timezone.