ZIP Code 02155
standardSource:
Medford · Middlesex County · Massachusetts
- Population
- 57,964
- Median income
- $129,700
- Median home value
- $755,500
- Bachelor's or higher
- 59.9%
- Land area
- 21.2 sq mi
2,731/sq mi
▲ 70% vs US
higher than 93% of US ZIPs
▲ 172% vs US
higher than 95% of US ZIPs
Median age 34.9
New York
ZIP code 02155 in Medford, Massachusetts has a population of 57,964. The median household income is $129,700, which is 70% above the national average. Median home value is $755,500, 172% above the US average. 59.9% of residents hold a bachelor's degree or higher.
ZIP code 02155 is classified by USPS as a standard delivery area and covers roughly 21.2 square miles in Medford, Middlesex County, Massachusetts. The area is home to 57,964 residents, producing a population density of 2,731 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 02155 against Massachusetts and the nation.
On the economic side, the median household income for ZIP 02155 sits at $129,700 (12% above the Massachusetts average), while per-capita income is $64,019. The poverty rate stands at 7.6% and the unemployment rate at 4.3%. On housing, the median home value is $755,500 (26% above the state average) with median rent at $2,513 per month, and 54.0% of occupied units are owner-occupied, a direct signal of whether 02155 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 59.9% of adults hold a bachelor's degree or higher, the median age is 34.9, and the average commute is 30 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Middlesex County, so you can benchmark 02155 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 02155
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 02155.
- Construction
Construction
170 establishments
- Other services (except public administration)
Other services (except public administration)
161 establishments
- Retail trade
Retail trade
134 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
133 establishments
- Health care and social assistance
Health care and social assistance
129 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 02155, Medford, 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
57,964
Population
21.2
Area (sq mi)
2,731
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 02155?
34.9
Median Age
47.7%
Male
52.3%
Female
23.1%
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?
$129,700
Median Household Income
+12% vs state
$64,019
Per Capita Income
7.6%
Poverty Rate
4.3%
Unemployment Rate
30.0 min
Mean Commute Time
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?
25,618
Total Housing Units
24,370
Occupied Units
1,248
Vacant Units
2.34
Avg Household Size
Occupancy Type
$755,500
Median Home Value
+26% vs state
$2,513
Median Rent
1942
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
+0.5%
YoY Change (2024)
302
HPI Index (2000 = 100)
+202%
Total Change Since 2000
Home values in ZIP 02155 have increased 0.5% over the past year (2024). Since 2000, this ZIP has seen +202% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +2.8% | 229 |
| 2021 | +8.4% | 248 |
| 2022 | +8.4% | 269 |
| 2023 | +12.0% | 301 |
| 2024 | +0.5% | 302 |
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 1,171 business establishments in ZIP 02155, employing approximately 22,673 people with a combined annual payroll of $1,753,753,000.
1,171
Businesses
22,673
Employees
$1.8B
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Construction | 170 | 14.5% |
| Other services (except public administration) | 161 | 13.8% |
| Retail trade | 134 | 11.4% |
| Professional, scientific, and technical services | 133 | 11.4% |
| Health care and social assistance | 129 | 11.0% |
| Accommodation and food services | 129 | 11.0% |
| Administrative and support and waste management and remediation services | 63 | 5.4% |
| Finance and insurance | 56 | 4.8% |
| Real estate and rental and leasing | 50 | 4.3% |
| Wholesale trade | 36 | 3.1% |
| Information | 25 | 2.1% |
| Educational services | 22 | 1.9% |
| Transportation and warehousing | 20 | 1.7% |
| Manufacturing | 18 | 1.5% |
| Arts, entertainment, and recreation | 14 | 1.2% |
| Management of companies and enterprises | 10 | 0.8% |
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 02155 vs 02144 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 02144 | Somerville, MA | 23,891 | 1.7 mi |
| 02145 | Somerville, MA | 25,439 | 2.4 mi |
| 02474 | Arlington, MA | 26,312 | 2.4 mi |
| 02143 | Somerville, MA | 24,514 | 3.0 mi |
| 02140 | Cambridge, MA | 17,607 | 2.4 mi |
| 02148 | Malden, MA | 59,503 | 2.7 mi |
| 02180 | Stoneham, MA | 21,437 | 3.6 mi |
| 01890 | Winchester, MA | 21,382 | 2.7 mi |
| 02139 | Cambridge, MA | 36,349 | 4.2 mi |
| 02163 | Boston, MA | 2,582 | 4.0 mi |
More ZIP Codes in Middlesex County
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Frequently Asked Questions
What county is ZIP code 02155 in? ▼
What is the population of ZIP code 02155? ▼
What is the median household income in ZIP 02155? ▼
What is the average home value in ZIP 02155? ▼
What is the demographic makeup of ZIP 02155? ▼
How many businesses are in ZIP code 02155? ▼
What are the main industries in ZIP code 02155? ▼
How have home values changed in ZIP code 02155? ▼
What is the education level in ZIP code 02155? ▼
What is the average commute time in ZIP 02155? ▼
What percentage of residents own vs. rent in ZIP 02155? ▼
What is the poverty rate in ZIP code 02155? ▼
ZIP Code Research Guides
Official Data Resources for Medford, 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.