ZIP Code 01921
standardSource:
Boxford · Essex County · Massachusetts
- Population
- 7,961
- Median income
- $200,672
- Median home value
- $904,200
- Bachelor's or higher
- 70.6%
- Land area
- 61.0 sq mi
131/sq mi
▲ 163% vs US
higher than 99% of US ZIPs
▲ 225% vs US
higher than 97% of US ZIPs
Median age 49.3
New York
ZIP code 01921 in Boxford, Massachusetts has a population of 7,961. The median household income is $200,672, which is 163% above the national average. Median home value is $904,200, 225% above the US average. 70.6% of residents hold a bachelor's degree or higher.
ZIP code 01921 is classified by USPS as a standard delivery area and covers roughly 61.0 square miles in Boxford, Essex County, Massachusetts. The area is home to 7,961 residents, producing a population density of 131 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 01921 against Massachusetts and the nation.
On the economic side, the median household income for ZIP 01921 sits at $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%. On housing, the median home value is $904,200 (51% above the state average) with median rent at $776 per month, and 95.0% of occupied units are owner-occupied, a direct signal of whether 01921 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 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 is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 01921
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 01921.
- Professional, scientific, and technical services
Professional, scientific, and technical services
32 establishments
- Construction
Construction
30 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
16 establishments
- Health care and social assistance
Health care and social assistance
14 establishments
- Accommodation and food services 11
Accommodation and food services
11 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, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, 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; HUD FMR + 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
Who lives in ZIP 01921?
49.3
Median Age
53.0%
Male
47.0%
Female
6.7%
Foreign-Born
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
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
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
$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 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
Related Areas
Frequently Asked Questions
What county is ZIP code 01921 in? ▼
What is the population of ZIP code 01921? ▼
What is the median household income in ZIP 01921? ▼
What is the average home value in ZIP 01921? ▼
What is the demographic makeup of ZIP 01921? ▼
How many businesses are in ZIP code 01921? ▼
What are the main industries in ZIP code 01921? ▼
How have home values changed in ZIP code 01921? ▼
What is the education level in ZIP code 01921? ▼
What percentage of residents own vs. rent in ZIP 01921? ▼
What is the poverty rate in ZIP code 01921? ▼
ZIP Code Research Guides
Official Data Resources for Boxford, MA
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.