US ZIP Code
01921

Boxford, MA

Essex County  ·  Massachusetts

● Active
👥 8,229 Population
💰 $190,526 Median HH Income
▲ 150% above avg ↑ 4% since 2019
🎂 49.5 Median Age ↑ 6% since 2019
🏠 $874,900 Median Home Value
▲ 214% above avg ↑ 29% since 2019
🎓 78.8% College Grads
▲ 103% above avg
📊 3.1% Unemployment
▼ 36% below avg ↓ 20% since 2019
ZIP Code Details
ZIP Code01921
CityBoxford
StateMassachusetts (MA)
CountyEssex County
Area Code351/978
Elevation155 ft
Latitude42.683108
Longitude-71.027188
TimezoneNew York (DST)
FIPS25009
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 51.1% (4,202) Female 48.9% (4,027) ♀

Race & Ethnicity

White: 91%Hispanic: 2.6%Black: 0.4%Asian: 1%Other: 4.3%Race
White91.0%
Hispanic2.6%
Black0.4%
Asian1.0%
Other4.3%

Age Breakdown

Under 5
4%
5–17
20%
18–24
5%
25–44
16%
45–64
34%
65+
12%

Key Indicators

Median Age49.5 yrs ↑ 6% since 2019
Avg Household Size2.83
Below Poverty2.2% ▼ 78% below avg
College Grads78.8% ▲ 103% above avg
Unemployment3.1% ▼ 36% below avg
No HS Diploma34 (0.6%)
HS Graduate583 (10.4%)
Some College289 (5.1%)
Associates286 (5.1%)
Bachelors552 (9.8%)
Graduate Degree3,875 (69%)

Education

No HS: 0.6%HS Grad: 10.4%Some College: 5.1%Associates: 5.1%Bachelors: 9.8%Graduate: 69%Edu
No HS0.6%
HS Grad10.4%
Some College5.1%
Associates5.1%
Bachelors9.8%
Graduate69.0%
Housing & Income

Housing Tenure

Owner: 94.5%Renter: 5.5%Tenure
Owner94.5%
Renter5.5%

Home Value Distribution

$100k–150k
2%
$150k–200k
4%
$300k–500k
10%
Over $500k
84%

Financials

Median HH Income$190,526 ▲ 150% above avg ↑ 4% since 2019
Median Home Value$874,900 ▲ 214% above avg ↑ 29% since 2019
Home/Income Ratio4.6x (nat avg ~3.5x)
Median Rent$736/mo ↓ 15% since 2019
Total Units2,961
Vacant Units59
Avg HH Size2.83

Income Distribution

Under $25k
2%
$25k–50k
9%
$50k–75k
7%
$75k–100k
8%
$100k–150k
13%
$150k–200k
14%
Over $200k
48%
Employment & Commute

How People Get to Work

Drove Alone
75%
Public Transit
2%
Walked
3%
Work From Home
21%

Commute Time

Under 15 min
12%
15–30 min
35%
30–45 min
30%
Over 45 min
23%
Housing Stock

Year Built

Before 1940
3%
1940s–1950s
14%
1960s–1970s
16%
1980s–1990s
13%
2000+
55%

Summary

Total Units2,961
Vacant59
Owner Occupied94.5%
Renter Occupied5.5%
Avg HH Size2.83
Frequently Asked Questions
ZIP code 01921 is in Boxford, MA, in Essex County.
ZIP code 01921 is located in Massachusetts (MA).
ZIP code 01921 is in Essex County, MA.
ZIP 01921 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 01921 is 8,229 people (ACS 2023).
The median household income in ZIP code 01921 is $190,526 (ACS 2023).
The median home value in ZIP 01921 is $874,900 (ACS 2023).
About ZIP Code 01921

ZIP code 01921 is located in Boxford, Massachusetts, within Essex County. With a population of 8,229, this is a lightly populated ZIP code with a mature community — the median age is 49.5 years. Economically, 01921 is a affluent ZIP code: the median household income of $190,526 is more than double the national average.

Real estate in ZIP code 01921 represents among the most expensive housing markets in the country. The median home value of $874,900 is more than double the national average. Renters can expect to pay around $736 per month in median rent. Homeownership is strong here — 94.5% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 29% since 2019.

The population of 01921 is primarily White (91.04%). Residents are highly educated — 78.8% hold a bachelor's degree or higher, which is more than double the national average. Poverty affects a relatively small share of residents at 2.2%. Household income has grown by 4% since 2019.

The unemployment rate in 01921 stands at 3.1%, which is below the national average. About 19% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 68%.

Overall, ZIP code 01921 in Boxford, MA is characterized as affluent, highly educated, a mature community, and predominantly owner-occupied. With 8,229 residents, a median household income of $190,526, and a median home value of $874,900, it offers a clear picture of life in this part of Massachusetts.