Ashby ZIP Code List — Middlesex County, MA

There is one unique ZIP code in Ashby, Massachusetts and it is 01431. Area code: 978/351.

ZIP codes

23.66

sq mi land

0.39

sq mi water

978/351

area code

Ashby, MA ZIP code map

About Ashby, MA

Ashby, Massachusetts, is a charming town located in Middlesex County. Known for its picturesque landscapes and small-town atmosphere, Ashby provides a unique blend of rural charm and community spirit. With a single ZIP code, 01431, Ashby offers residents a tight-knit environment where neighbors know one another.

Location & geography

Situated in north-central Massachusetts, Ashby is bordered by several other towns such as Townsend to the southwest and Fitchburg to the northeast. The town covers a total land area of 23.66 square miles, accompanied by a water area of 0.39 square miles, which enhances its natural beauty. The terrain is predominantly hilly, offering scenic views that make Ashby a lovely place for outdoor activities.

Community & economy

The character of Ashby is marked by a strong sense of community, with its residents often participating in local events and town meetings. Industries in the area are primarily focused on agriculture and small businesses, which contribute to the local economy. Daily life in Ashby blends rural living with modern conveniences, providing a peaceful environment for families and individuals alike.

Transportation

Ashby is accessible via several roads including Route 119, which connects the town to neighboring communities. The nearest major airport is the Fitchburg Municipal Airport, located just a few miles away. Public transportation options are limited, but the town's quiet roads make it ideal for personal travel.

History

Ashby was founded in 1767, and it quickly developed around the agriculture industry, which remained pivotal to its economy for many years. Throughout its history, Ashby has been a quiet retreat for those seeking to escape the bustle of city life, with a series of notable community events that draw visitors from surrounding areas. The town's historical significance is reflected in its well-preserved architecture and landmarks.

Did you know?

One surprising fact about Ashby is that it features a town common that serves as a hub for community gatherings and events throughout the year. Additionally, the town is home to beautiful hiking trails that showcase the region's natural resources and are popular among locals.

ZIP codes for Ashby, MA (1)

ZIP code	City	County	Map
01431	Ashby	Middlesex	View map

Demographics & statistics

3,187

Population

51.6

Median age

$105,750

Median household income

$51,270

Per capita income

$328,700

Median home value

$987

Median monthly rent

95.5%

Home ownership

2.9%

Poverty rate

5.0%

Unemployment

1,247

Housing units

41.5%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

112

10–14

109

15–19

20–24

137

25–34

133

154

35–44

150

241

45–54

235

227

55–59

221

177

60–64

173

229

65–74

222

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	496	15.6%
18 and over	2,691	84.4%
65 and over	657	20.6%
Median age	51.6 years

Race & ethnicity

White 96.1%

Two or more races 2.6%

Hispanic or Latino 0.9%

Asian 0.5%

Group	Count	%
White	3,089	96.1%
Two or more races	83	2.6%
Hispanic or Latino	29	0.9%
Asian	15	0.5%

Household income

$10k–$15k 2.3%

$15k–$25k 2.6%

$25k–$35k 6.8%

$35k–$50k 3.2%

$50k–$75k 14.3%

$75k–$100k 13.4%

$100k–$150k 29.0%

$150k–$200k 13.3%

$200k+ 15.1%

Range	% of households
$10k–$15k	2.3%
$15k–$25k	2.6%
$25k–$35k	6.8%
$35k–$50k	3.2%
$50k–$75k	14.3%
$75k–$100k	13.4%
$100k–$150k	29.0%
$150k–$200k	13.3%
$200k+	15.1%
Median income	$105,750

Housing

Home values

Under $50k 0.8%

$50k–$100k 0.4%

$100k–$150k 0.8%

$150k–$200k 11.2%

$200k–$300k 31.1%

$300k–$500k 37.0%

$500k–$1M 17.5%

$1M+ 1.1%

Housing overview

Metric	Value
Median home value	$328,700
Median rent / month	$987
Owner occupied	95.5%
Renter occupied	4.5%
Vacant	4.8%
Single-family detached	95.9%
Large apartment buildings	0.0%
Mobile homes	0.4%
Median rooms	6.7
Avg household size (owned)	2.61

Year built

Era	%
2020 or later	0.0%
2010–2019	2.5%
2000–2009	13.8%
1990–1999	10.3%
1980–1989	9.4%
1970–1979	9.0%
1960–1969	8.9%
1950–1959	14.1%
1940–1949	4.5%
1939 or earlier	27.6%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	9.2%
2 bedrooms	16.2%
3 bedrooms	50.0%
4 bedrooms	19.6%
5+ bedrooms	4.8%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	17.6%
2 vehicles	43.9%
3 or more	38.4%

Heating fuel

Fuel type	%
Utility gas	8.0%
Electricity	4.7%
Propane / LP gas	7.0%
Fuel oil	67.4%
Wood	11.2%
Solar	0.4%

Households & families

Household type	Count	%
Married-couple family	814	65.6%
Cohabiting couple	139	11.2%
Male householder, no spouse	137	11.0%
Female householder, no spouse	151	12.2%
Households with children under 18	271	21.8%
Households with seniors (65+)	492	39.6%
Average household size	2.57

Marital status

Status	Male	Female
Never married	28.3%	20.5%
Married	61.4%	60.8%
Separated	0.0%	0.0%
Widowed	1.5%	9.3%
Divorced	8.9%	9.4%

Education

Less than 9th grade 2.1%

Some HS, no diploma 4.5%

HS graduate 28.7%

Some college, no degree 13.6%

Associate's degree 9.7%

Bachelor's degree 21.8%

Graduate / professional 19.7%

Metric	%
HS diploma or higher	93.5%
Bachelor's or higher	41.5%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	23	3.8%
Kindergarten	28	4.7%
Elementary school	278	46.3%
High school	132	22.0%
College / grad school	140	23.3%

Employment

Industry of employment

Education & healthcare 22.8%

Manufacturing 16.8%

Construction 12.0%

Retail trade 8.7%

Professional & management 8.4%

Public administration 6.7%

Other services 6.6%

Arts, food & hospitality 6.3%

Transportation & utilities 5.2%

Finance & real estate 2.5%

Agriculture & mining 1.8%

Information 1.4%

Wholesale trade 0.8%

Occupation

Category	%
Management, business & arts	39.1%
Service	16.6%
Sales & office	21.5%
Natural resources & construction	14.9%
Production & transportation	7.9%

Employment type

Type	%
Private sector	70.4%
Government	17.0%
Self-employed	12.3%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	76.7%
Carpool	7.2%
Public transit	0.2%
Walk	1.7%
Other means	0.0%
Avg commute (minutes)	33.1

Poverty

All people 2.9%

Under 18 years 3.0%

18 and over 2.8%

Married-couple families 2.5%

Female-led households 0.0%

Income support

Source	% of households
Social Security	32.7%
Retirement income	28.5%
Supplemental Security	1.8%
Cash public assistance	1.4%
Food stamps / SNAP	1.7%

Health indicators

Condition	%
High blood pressure	27.4%
High cholesterol	30.5%
Heart disease	5.1%
Stroke	2.3%
Asthma	10.3%
Arthritis	22.1%
Kidney disease	2.4%
Pulmonary disease	5.2%
Cancer	6.7%

Behavior / access	%
Binge drinking	17.9%
No physical activity	16.7%
Less than 7 hrs sleep	29.4%
Fair or poor health	9.4%
Poor mental health	13.5%
Poor physical health	8.1%
No health insurance	5.6%
Visited doctor (checkup)	75.5%
Visited dentist	74.5%
Cholesterol screening	92.1%
Teeth loss	10.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	124	4.6%

Disability	%
Any disability	8.0%
Under 18	0.0%
18–64 years	6.1%
65 and over	19.9%

Health insurance coverage

Type	%
Private insurance	80.8%
Public insurance	28.7%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,157	99.1%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,063	96.1%
Born in same state	3,009	94.4%
Born in different state	2,289	71.8%
Foreign born	54	1.7%
Naturalized citizen	124	3.9%
Not a US citizen	109	87.9%

Ancestry

Ancestry	Count	%
Italian	649	20.4%
French	467	14.7%
Arab	449	14.1%
German	352	11%

Ancestry	Count	%
English	98	3.1%
Polish	44	1.4%
Irish	18	0.6%
Dutch	5	0.2%

Technology access

Metric	% of households
Computer access	38.9%
Internet access	96.5%

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

Frequently asked questions

What is the ZIP code for Ashby, MA?

Ashby, MA has one ZIP code: 01431.

What is the main ZIP code for Ashby, MA?

The primary ZIP code for Ashby, MA is 01431. The city uses area code 978 or 351 for phone service.

What county is Ashby, MA in?

Ashby is located in Middlesex County, Massachusetts.

How many ZIP codes are in Ashby, MA?

Ashby, MA has 1 ZIP code.

What ZIP code should I use when mailing a package to a business in downtown Ashby near the town common?

Downtown Ashby and the town common area are located in ZIP code 01431, which covers the entire town of Ashby.

If I'm sending mail to a residence on Fitchburg Road in Ashby, what ZIP code do I need?

Fitchburg Road and all residential areas in Ashby use ZIP code 01431, as it is the sole ZIP code serving the entire town.