01731 ZIP Code — Hanscom Afb, MA

Middlesex County, Massachusetts

ZIP code 01731 is located in Hanscom Afb, Massachusetts, within Middlesex County. It covers approximately 2.34 square miles and serves a population of 1,784 residents. This is a po box ZIP code in the Eastern (ET) timezone, served by area code 781/857.

About ZIP code 01731

The housing stock consists of a mix of housing types. Most homes were built in the 1950s, giving the area an established character.

The gap between median ($71,250) and mean household income suggests income inequality — a small number of higher earners pull the average up.

The dominant occupation class is management, business, and professional, with public administration as the leading industry. The average commute of 18 minutes is near the national average.

Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 30% of civilians, above the national average of 7%.

1,784

population

2.34

sq mi land

PO Box

ZIP type

Eastern (ET)

timezone

01731 ZIP code map

Cities in ZIP code 01731

Below are the cities the US Postal Service accepts for ZIP code 01731. Using any city not on this list may result in mail delivery delays.

City	Status
Hanscom Afb	Acceptable
Hanscom Afb	Preferred

Nearby ZIP codes

01730 Bedford (2.6 mi) 01773 Lincoln (2.8 mi) 01742 Concord (4 mi) 01803 Burlington (5.1 mi) 01805 Burlington (5.3 mi) 01741 Carlisle (5.9 mi) 01821 Billerica (6.1 mi) 01801 Woburn (6.7 mi) 01815 Woburn (6.8 mi) 01813 Woburn (6.8 mi) 01890 Winchester (6.9 mi) 01862 North Billerica (7.3 mi)

Demographics updated 06/2026

Population
Total population	1,784
Population density	762 / sq mi
State FIPS	25
County FIPS	017

Geography
Land area	2.34 sq mi
Water area	0.01 sq mi
Latitude	42.4631
Longitude	-71.2851
Timezone	Eastern (ET)
Area code	781/857

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.9%	23.8%	31.3%
$50k – $100k	28.6%	23.1%	25.9%
$100k – $200k	41.6%	32.1%	28.5%
Over $200k	11.9%	20.9%	14.3%

Demographics & statistics

1,784

Population

762

People per sq mi

25.5

Median age

$71,250

Median household income

$28,925

Per capita income

Median home value

$3,203

Median monthly rent

0.0%

Home ownership

0.0%

Poverty rate

1.0%

Unemployment

Housing units

34.7%

Bachelor's or higher

Age distribution

Male Female

192

Under 5

131

205

5–9

140

10–14

15–19

20–24

228

25–34

156

226

35–44

154

45–54

55–59

60–64

← Male

Female →

Age summary

Group	Count	%
Under 18	782	43.8%
18 and over	1,002	56.2%
65 and over	0	0.0%
Median age	25.5 years

Race & ethnicity

White 43%

Hispanic or Latino 18.4%

Other race 16.1%

Asian 12.2%

Two or more races 8.2%

Black or African American 2%

Group	Count	%
White	941	43%
Hispanic or Latino	403	18.4%
Other race	353	16.1%
Asian	267	12.2%
Two or more races	179	8.2%
Black or African American	44	2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	17.9%	23.8%	31.3%
$50k – $100k	28.6%	23.1%	25.9%
$100k – $200k	41.6%	32.1%	28.5%
Over $200k	11.9%	20.9%	14.3%

$25k–$35k 2.2%

$35k–$50k 32.8%

$50k–$75k 15.7%

$75k–$100k 4.6%

$100k–$150k 18.5%

$150k–$200k 17.8%

$200k+ 8.5%

Range	% of households
$25k–$35k	2.2%
$35k–$50k	32.8%
$50k–$75k	15.7%
$75k–$100k	4.6%
$100k–$150k	18.5%
$150k–$200k	17.8%
$200k+	8.5%
Median income	$71,250

Housing

Home values

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$3,203
Owner occupied	0.0%
Renter occupied	100.0%
Vacant	0.0%
Single-family detached	19.6%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	5.6
Avg household size (owned)	0.00

Year built

Era	%
2020 or later	0.0%
2010–2019	21.7%
2000–2009	17.0%
1990–1999	8.5%
1980–1989	3.5%
1970–1979	12.0%
1960–1969	6.3%
1950–1959	30.7%
1940–1949	0.4%
1939 or earlier	0.0%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.0%
2 bedrooms	8.3%
3 bedrooms	78.5%
4 bedrooms	13.0%
5+ bedrooms	0.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	24.8%
2 vehicles	71.5%
3 or more	3.7%

Heating fuel

Fuel type	%
Utility gas	73.0%
Electricity	24.6%
No fuel used	2.4%

Households & families

Household type	Count	%
Married-couple family	393	85.4%
Cohabiting couple	0	0.0%
Male householder, no spouse	11	2.4%
Female householder, no spouse	56	12.2%
Households with children under 18	397	86.3%
Households with seniors (65+)	0	0.0%
Average household size	3.78

Marital status

Status	Male	Female
Never married	13.5%	16.7%
Married	85.2%	80.7%
Separated	0.0%	0.0%
Widowed	0.0%	0.0%
Divorced	1.2%	2.6%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.0%

HS graduate 16.2%

Some college, no degree 21.4%

Associate's degree 27.7%

Bachelor's degree 17.7%

Graduate / professional 17.0%

Metric	%
HS diploma or higher	100.0%
Bachelor's or higher	34.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	99	16.0%
Kindergarten	52	8.4%
Elementary school	348	56.2%
High school	42	6.8%
College / grad school	78	12.6%

Employment

Industry of employment

Public administration 44.2%

Education & healthcare 26.0%

Retail trade 7.7%

Professional & management 6.0%

Finance & real estate 5.6%

Other services 4.2%

Construction 2.1%

Information 2.1%

Arts, food & hospitality 2.1%

Occupation

Category	%
Management, business & arts	51.6%
Service	11.2%
Sales & office	8.8%
Natural resources & construction	24.2%
Production & transportation	4.2%

Employment type

Type	%
Private sector	37.2%
Government	55.8%
Self-employed	7.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	75.0%
Carpool	0.7%
Public transit	1.7%
Walk	3.0%
Work from home	18.8%
Other means	0.8%
Avg commute (minutes)	18.3

Poverty

All people 0.0%

Under 18 years 0.0%

18 and over 0.0%

Married-couple families 0.0%

Female-led households 0.0%

Income support

Source	% of households
Social Security	0.2%
Retirement income	8.9%
Supplemental Security	0.9%
Cash public assistance	1.1%
Food stamps / SNAP	0.0%

Health indicators

Condition	%
Obesity	20.8%
High blood pressure	13.8%
High cholesterol	14.6%
Diabetes	3.0%
Heart disease	1.4%
Stroke	0.8%
Asthma	9.9%
Arthritis	8.8%
Kidney disease	1.0%
Pulmonary disease	1.8%
Cancer	2.4%

Behavior / access	%
Smoking	9.3%
Binge drinking	22.8%
No physical activity	11.4%
Less than 7 hrs sleep	29.6%
Depression	18.8%
Fair or poor health	5.1%
Poor mental health	14.2%
Poor physical health	4.4%
No health insurance	5.6%
Visited doctor (checkup)	69.9%
Visited dentist	77.2%
Cholesterol screening	88.3%
Teeth loss	6.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	174	30.1%

Disability	%
Any disability	6.2%
Under 18	6.5%
18–64 years	5.9%
65 and over	0.0%

Health insurance coverage

Type	%
Private insurance	96.5%
Public insurance	6.3%
No insurance	3.5%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,461	81.9%
Spanish	160	11.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	160	11.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	1,491	83.6%
Born in same state	1,279	71.7%
Born in different state	114	6.4%
Foreign born	212	11.9%
Naturalized citizen	293	16.4%
Not a US citizen	184	62.8%

Ancestry

Ancestry	Count	%
Italian	168	9.4%
French	139	7.8%
Polish	19	1.1%

Ancestry	Count	%
Arab	8	0.4%
Dutch	7	0.4%

Technology access

Metric	% of households
Computer access	25.8%
Internet access	100.0%

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

Frequently asked questions about ZIP code 01731

What city is ZIP code 01731 in?

ZIP code 01731 is primarily assigned to Hanscom Afb, Massachusetts.

What county is ZIP code 01731 in?

ZIP code 01731 falls within Middlesex County, Massachusetts.

Is ZIP code 01731 family-oriented?

44% of residents in ZIP code 01731 are under 18, reflecting a younger, family-oriented community.

Does ZIP code 01731 have a large veteran population?

30% of civilians in ZIP code 01731 are veterans, above the national average of ~7%.

What is the population of ZIP code 01731?

ZIP code 01731 has an estimated population of 1,784 residents, with a density of 763 people per square mile.

What is the median household income in ZIP code 01731?

The median household income in ZIP code 01731 is $71,250, below the national median of ~$75,000.

What timezone is ZIP code 01731 in?

ZIP code 01731 observes the EST timezone.