PlainZIP

Boxford, MA · standard

ZIP Code 01921

Essex County, Massachusetts - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

7,961
131/sq mi
$200,672
Median income
$904,200
Median home value
70.6%
Bachelor's or higher

The verdict

Boxford pairs a top-decile household income with top-decile home values, in a rural, homeowner-dominated area.

Top 1%
household income, US ZIPs
Top 3%
home value, US ZIPs
131
people per sq mi
95%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 01921 against every reporting US ZIP.

ZIP code 01921 is a mid-sized community (a standard USPS delivery area) in Boxford, Essex County, Massachusetts, home to 7,961 residents across 61.0 square miles, a density of 131 people per square mile, in the New York time zone.

ZIP 01921 skews affluent, with a median household income of $200,672 (73% above the Massachusetts average), while per-capita income is $89,834. The poverty rate stands at 3.1% and the unemployment rate at 3.2%. Housing costs here run $904,200 for a typical home value (51% above the state average), with rent averaging $776 a month; 95.0% of homes are owner-occupied.

This is a highly-educated ZIP: 70.6% of adults hold a bachelor's degree or higher, the median age is 49.3, and the average commute is -. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Essex County, so you can benchmark 01921 against its immediate geography rather than a national average alone.

Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →

Top industries in ZIP 01921

Top 5 sectors by establishment count in Boxford, MA

Which industries have the most business establishments in ZIP 01921.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 01921, Boxford, MA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; FHFA HPI updated quarterly/annually.

Quick Facts

7,961

Population

61.0

Area (sq mi)

131

People / sq mi

New York

Time Zone

standard

ZIP Type

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 01921?

49.3

Median Age

53.0%

Male

47.0%

Female

6.7%

Foreign-Born

White 91.5%
African American 0.3%
Asian 1.1%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 5.6%
Hispanic or Latino 1.6%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How much do residents earn?

$200,672

Median Household Income

+73% vs state

$89,834

Per Capita Income

3.1%

Poverty Rate

3.2%

Unemployment Rate

How ZIP 01921 ranks nationally

Boxford, MA household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$200,672 Top 1% higher than 99% of 30,318 US ZIPs

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). Below this entry. $80,000–$100,000: 5,778 US ZIPs (19%). Below this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Below this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Below this entry. $140,000–$160,000: 686 US ZIPs (2%). Below this entry. $160,000–$180,000: 364 US ZIPs (1%). Below this entry. $180,000–$200,000: 186 US ZIPs (1%). Below this entry. $200,000–$220,000: 324 US ZIPs (1%). This entry sits in this band. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What is the education profile here?

High School Graduate or Higher 81.3%
Bachelor's Degree or Higher 70.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

2,910

Total Housing Units

2,783

Occupied Units

127

Vacant Units

2.96

Avg Household Size

Occupancy Type

Owner 95.0%
Renter 5.0%

$904,200

Median Home Value

+51% vs state

$776

Median Rent

1979

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

How have home values changed over time?

FHFA House Price Index, annual appreciation data based on repeat sales and appraisals

+6.4%

YoY Change (2024)

211

HPI Index (2000 = 100)

+111%

Total Change Since 2000

Home values in ZIP 01921 have increased 6.4% over the past year (2024). Since 2000, this ZIP has seen +111% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.9% 150
2021 +10.2% 165
2022 +10.1% 182
2023 +9.2% 198
2024 +6.4% 211

Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.

What businesses operate in this ZIP?

Census Bureau data shows 143 business establishments in ZIP 01921, employing approximately 875 people with a combined annual payroll of $54,439,000.

143

Businesses

875

Employees

$54.4M

Annual Payroll

11

Industry Sectors

Industry Establishments % of Total
Professional, scientific, and technical services 32 22.4%
Construction 30 21.0%
Administrative and support and waste management and remediation services 16 11.2%
Health care and social assistance 14 9.8%
Accommodation and food services 11 7.7%
Other services (except public administration) 9 6.3%
Finance and insurance 8 5.6%
Real estate and rental and leasing 5 3.5%
Retail trade 4 2.8%
Arts, entertainment, and recreation 4 2.8%
Wholesale trade 3 2.1%

Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.

Nearby ZIP Codes

Want a side-by-side? Compare 01921 vs 01834 →

ZIP 01921 vs its nearest neighbors, by population

Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.

residents

What this shows Among its immediate neighbors, ZIP 01921 ranks #7 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 01921 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

median income

What this shows By household income, ZIP 01921 ranks the highest of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
01834 Groveland, MA 6,459 4.9 mi
01845 North Andover, MA 28,352 3.5 mi
01833 Georgetown, MA 8,183 3.5 mi
01949 Middleton, MA 8,987 5.3 mi
01983 Topsfield, MA 6,089 4.9 mi
01937 Hathorne, MA 151 6.9 mi
01835 Haverhill, MA 13,682 6.0 mi
01830 Haverhill, MA 25,137 8.1 mi
01843 Lawrence, MA 24,425 7.2 mi
01985 West Newbury, MA 4,235 8.2 mi

More ZIP Codes in Essex County

01960 standard
Peabody, MA
Pop: 50,944
01844 standard
Methuen, MA
Pop: 47,249
01841 standard
Lawrence, MA
Pop: 47,225
01902 standard
Lynn, MA
Pop: 45,139
01970 standard
Salem, MA
Pop: 41,109
01915 standard
Beverly, MA
Pop: 39,502

Related Areas

Essex County Boxford, MA Massachusetts

Frequently Asked Questions

What county is ZIP code 01921 in? ▼
ZIP code 01921 (Boxford) is located in Essex County, Massachusetts. Essex County contains multiple ZIP codes, see the full list at /counties/essex-ma.
What is the population of ZIP code 01921? ▼
ZIP code 01921 in Boxford, MA has a population of 7,961 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 01921? ▼
The median household income in ZIP 01921 is $200,672, which is 163% above the national average of $76,288.
What is the average home value in ZIP 01921? ▼
The median home value in ZIP 01921 is $904,200, which is 225% above the national average of $278,155.
What is the demographic makeup of ZIP 01921? ▼
The largest racial group in ZIP 01921 is White at 91.5%. Hispanic or Latino residents make up 1.6% of the population.
How many businesses are in ZIP code 01921? ▼
ZIP code 01921 has 143 business establishments employing approximately 875 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 01921? ▼
The top industries by establishment count in ZIP 01921 are: Professional, scientific, and technical services (32), Construction (30), Administrative and support and waste management and remediation services (16). There are 11 industry sectors represented in total.
How have home values changed in ZIP code 01921? ▼
According to the FHFA House Price Index, home values in ZIP 01921 increased by 6.4% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 111%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 01921? ▼
In ZIP code 01921, 81.3% of residents aged 25+ have a high school diploma or higher, and 70.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 01921? ▼
In ZIP code 01921, approximately 95.0% of occupied housing units are owner-occupied and 5.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 01921? ▼
The poverty rate in ZIP code 01921 is 3.1% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.

Read our methodology to see how this data is sourced, computed, and verified.