ZipCodeLook
01721

Zip code 01721: Ashland, Massachusetts

Residential delivery areaMiddlesex CountyEastern Time
Population
18,873
Median household income
$128K
U.S. $81K
Median home value
$612K
U.S. $333K
Median rent
$2,452/mo
U.S. $1,413
Median age
42.1
U.S. 38.9
Land area
12 sq mi
1,530 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 01721

01721 is a suburban zip code in Ashland, Massachusetts (Middlesex County), covering 12 sq mi of land. About 18,873 people live here, or 1,530 per square mile. The median resident is 42.1 years old, compared with 38.9 nationally.

The median household earns $127,539 a year, 58% above the national median of $80,734. 3.5% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $611,700, or 4.8 years of median household income (U.S.: 4.1 years), which makes homes about as affordable as the national average for local earners. 75% of occupied homes are lived in by their owners, and renters pay a median of $2,452 a month.

61% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 36.8 minutes each way, and 23% of workers work from home. The most common jobs among working residents are in management; computer and math (tech); and office and administrative support. 32% of households speak a language other than English at home, most often another Indo-European language such as French, German, Russian or Hindi.

How 01721 compares

Sorted from highest to lowest national percentile

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Median age
42.1
Under 18
18.4%
65 and over
18.2%

Race and ethnicity

  • White63%
  • Black5%
  • Hispanic9%
  • Asian16%
  • Native American0.1%
  • Pacific Islander0%
  • Other3%
  • Multiracial5%
Diversity index
56.9
U.S. 61.4
Foreign-born
23.8%
U.S. 14.1%
Born in state
52.8%

Language spoken at home (households)

English only
68%
Spanish
9%
Other Indo-European
18%
Asian / Pacific
5%
Other
0.6%

Households

Households
7,643
Average household size
2.4
Family households
70.1%
Married couples
56.8%
Living alone
24.6%
Veterans (of adults)
4.3%
Male / female
49% / 51%

Income and poverty

Household income distribution

<$25k
5%
$25–50k
9%
$50–75k
11%
$75–100k
10%
$100–150k
22%
$150–200k
9%
$200k+
34%

Median household income

01721
$127,539
Middlesex Co.
$130,847
Massachusetts
$103,960
United States
$80,734
Per capita income
$70,893
U.S. $44,673
Poverty rate
3.5%
U.S. 12.5%
Households earning $150K+
43.1%
U.S. 23%
Income inequality (Gini)
0.422
U.S. 0.483

Housing

Median home value

01721
$611,700
Middlesex Co.
$727,800
Massachusetts
$562,100
United States
$332,700

Median gross rent

01721
$2,452
Middlesex Co.
$2,201
Massachusetts
$1,762
United States
$1,413

Types of housing

Single-family
70%
2–4 units
13%
5–19 units
8%
20+ units
9%
Mobile home
0%
Boat, RV, van
0%
Housing units
8,094
Owner-occupied
75.3%
Vacant
5.6%
Median year built
1984
Median rooms
5.8
Renters paying 30%+ of income
55.2%
Renters paying 50%+ of income
26.3%
Home value to income
4.8× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone
61%
Carpooled
8%
Transit
6%
Walked
2%
Bicycle
0%
Worked from home
23%
Other
0.6%

Commute time (one way)

<10 min
6%
10–19
18%
20–29
21%
30–44
21%
45–59
13%
60+
20%
Average commute
36.8 min
U.S. 26.4 min
Unemployment
5.4%
U.S. 5.2%
In labor force
70.9%
U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Management
19%
Computer and math
12%
Office and admin
8%
Healthcare
8%
Engineering and science
7%
Transportation and moving
6%
Education
6%
Business and finance
5%
Sales
5%
Cleaning and personal care
5%
Legal and social services
5%
Construction and repair
4%
Production
4%
Arts, media and sports
2%
Food service
2%
Police and fire
1%
Farming, fishing and forestry
0%

Industries

Professional and technical services
17%
Health care and social assistance
14%
Retail
12%
Manufacturing
11%
Education
11%
Finance, insurance and real estate
7%
Construction
6%
Other services
4%
Transportation, warehousing and utilities
4%
Admin, support and management
4%
Public administration
3%
Information
3%
Restaurants and hotels
2%
Wholesale
1%
Arts and recreation
1%
Agriculture and mining
0.1%
Median earnings per worker
$83,760
U.S. $49,666
Self-employed
8%
U.S. 10%
Government workers
10.2%
U.S. 14.5%
Nonprofit workers
15.3%
U.S. 8.8%

Median earnings by type of work

Type of work01721U.S.
Management, business, science and arts$116,023$74,888
Service$36,438$26,804
Sales and office$49,917$40,476
Construction and maintenance$55,607$49,199
Production and transportation$38,026$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma
2%
High school
16%
Some college
16%
Associate's
5%
Bachelor's
31%
Graduate
30%
High school graduate or higher
97.6%
Bachelor's degree or higher
60.7%
Graduate or professional degree
29.7%
Households with broadband
96%
Cable, fiber or DSL
85.3%
No internet access
2.4%
Without health insurance
1.6%
Limited-English households
5%

Geography

City (USPS)
Ashland
Center point
42.2578° N, 71.4735° W
Land area
12 sq mi
Water area
0.5 sq mi
Time zone
Eastern Time (UTC-5, UTC-4 in summer)
Zip type
Residential delivery area

Zip codes near 01721

ZipCityDistanceIncome
01702Framingham2.5 mi$82,496
01745Fayville2.7 mi$185,994
01748Hopkinton4.1 mi$222,801
01772Southborough4.3 mi$201,568
01746Holliston4.4 mi$159,817
01701Framingham4.6 mi$137,094
01784Woodville · PO box4.7 mi—
01770Sherborn5.4 mi$250,000+
01760Natick6.6 mi$138,563
01581Westborough7.2 mi$141,944
01757Milford7.3 mi$96,621
01752Marlborough7.4 mi$91,968

Zip codes like 01721 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 01721

What city is zip code 01721?

01721 is assigned to Ashland, Massachusetts. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 01721 in?

01721 is in Middlesex County, Massachusetts.

What is the population of 01721?

About 18,873 people live in 01721, according to the Census Bureau's American Community Survey.

What time zone is 01721 in?

01721 is in Eastern Time.

What is the median household income in 01721?

The median household income in 01721 is $127,539.

What zip codes are near 01721?

The closest zip codes to 01721 are 01702, 01745, 01748, 01772, 01746.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 01721, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.