Somerville, MA · standard
ZIP Code 02143
Middlesex County, Massachusetts - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 24,514
- 6,130/sq mi High-density area
- $130,753
- Median income Above-median income area
- $926,800
- Median home value Above-median home value
- 75.9%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Somerville pairs a top-decile household income with top-decile home values, in a suburban-density, renter-heavy area.
- Top 7%
- household income, US ZIPs
- Top 3%
- home value, US ZIPs
- 6,130
- people per sq mi
- 31%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 02143 against every reporting US ZIP.
ZIP code 02143 is a densely settled ZIP (a standard USPS delivery area) in Somerville, Middlesex County, Massachusetts, with 24,514 residents across 4.0 square miles, a density of 6,130 people per square mile, in the New York time zone.
ZIP 02143 skews affluent, with a median household income of $130,753 (13% above the average Massachusetts ZIP), while per-capita income is $80,068. The poverty rate is 8.9%, with unemployment at 2.8%; those measures add context to the income figure. Housing costs run above the statewide ZIP benchmark while renting is common: median home value is $926,800 (55% above the average Massachusetts ZIP), with only 31.0% owner-occupied homes and median rent of $2,475.
This is a highly-educated ZIP: 75.9% of adults hold a bachelor's degree or higher, the median age is 32.1, and the average commute is 29 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Middlesex County, so 02143 can be compared with both its immediate and county-level context.
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 02143
Top 5 sectors by establishment count in Somerville, MA
Which industries have the most business establishments in ZIP 02143.
- Professional, scientific, and technical services
Professional, scientific, and technical services
110 establishments
- Accommodation and food services
Accommodation and food services
100 establishments
- Retail trade
Retail trade
83 establishments
- Other services (except public administration)
Other services (except public administration)
76 establishments
- Health care and social assistance
Health care and social assistance
73 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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, FHFA HPI for ZIP 02143, Somerville, 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
24,514
Population
4.0
Area (sq mi)
6,130
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 02143?
32.1
Median Age
46.6%
Male
53.4%
Female
23.2%
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?
$130,753
Median Household Income
+13% vs state ZIP avg
$80,068
Per Capita Income
8.9%
Poverty Rate
2.8%
Unemployment Rate
29.4 min
Mean Commute Time
How ZIP 02143 ranks among Massachusetts ZIPs
Somerville, MA household income vs. every Massachusetts ZIP code
Median household income among 505 reporting Massachusetts ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$130,753 Top 30% higher than 70% of 505 Massachusetts ZIPs
Each bar is a $20K-wide band; taller bars hold more Massachusetts 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?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
Housing stock: occupied vs vacant
13,050housing units
13,050
Total Housing Units
12,283
Occupied Units
767
Vacant Units
2.06
Avg Household Size
Occupancy Type
$926,800
Median Home Value
+55% vs state ZIP avg
$2,475
Median Rent
1938
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
+2.2%
YoY Change (2024)
415
HPI Index (2000 = 100)
+315%
Total Change Since 2000
Home values in ZIP 02143 have increased 2.2% over the past year (2024). Since 2000, this ZIP has seen +315% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2019 | +18.8% | 373 |
| 2020 | -4.7% | 356 |
| 2021 | +1.1% | 360 |
| 2022 | +2.2% | 367 |
| 2024 | – | 415 |
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 679 business establishments in ZIP 02143, employing approximately 11,442 people with a combined annual payroll of $833,238,000.
679
Businesses
11,442
Employees
$833.2M
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Professional, scientific, and technical services | 110 | 16.2% |
| Accommodation and food services | 100 | 14.7% |
| Retail trade | 83 | 12.2% |
| Other services (except public administration) | 76 | 11.2% |
| Health care and social assistance | 73 | 10.8% |
| Manufacturing | 35 | 5.2% |
| Construction | 32 | 4.7% |
| Real estate and rental and leasing | 32 | 4.7% |
| Wholesale trade | 24 | 3.5% |
| Information | 24 | 3.5% |
| Arts, entertainment, and recreation | 22 | 3.2% |
| Administrative and support and waste management and remediation services | 21 | 3.1% |
| Educational services | 15 | 2.2% |
| Transportation and warehousing | 14 | 2.1% |
| Finance and insurance | 12 | 1.8% |
| Utilities | 3 | 0.4% |
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 02143 vs 02145 →
ZIP 02143 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 02139
Cambridge (02139)
36,349 residents
- 02138
Cambridge (02138)
36,314 residents
- 02115
Boston (02115)
28,441 residents
- 02215
Boston (02215)
26,125 residents
- 02145
Somerville (02145)
25,439 residents
- 02143
Somerville (02143)
24,514 residents
- 02144
Somerville (02144)
23,891 residents
- 02129
Charlestown (02129)
16,439 residents
- 02141 11,910
Cambridge (02141)
11,910 residents
What this shows Among its immediate neighbors, ZIP 02143 ranks #6 by population - useful context the national average alone can't give.
ZIP 02143 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 02129
Charlestown (02129)
$157,247 median income
- 02144
Somerville (02144)
$150,313 median income
- 02142
Cambridge (02142)
$147,723 median income
- 02139
Cambridge (02139)
$134,586 median income
- 02143
Somerville (02143)
$130,753 median income
- 02141
Cambridge (02141)
$126,522 median income
- 02145
Somerville (02145)
$123,755 median income
- 02138
Cambridge (02138)
$119,967 median income
- 02163
Boston (02163)
$84,583 median income
What this shows By household income, ZIP 02143 ranks #5 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 02145 | Somerville, MA | 25,439 | 0.8 mi |
| 02139 | Cambridge, MA | 36,349 | 1.3 mi |
| 02141 | Cambridge, MA | 11,910 | 1.1 mi |
| 02142 | Cambridge, MA | 3,141 | 1.5 mi |
| 02129 | Charlestown, MA | 16,439 | 1.8 mi |
| 02163 | Boston, MA | 2,582 | 1.6 mi |
| 02138 | Cambridge, MA | 36,314 | 1.9 mi |
| 02215 | Boston, MA | 26,125 | 2.3 mi |
| 02115 | Boston, MA | 28,441 | 2.8 mi |
| 02144 | Somerville, MA | 23,891 | 1.8 mi |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 02143, both outside MA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (24,514 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Middlesex County
Related Areas
Frequently Asked Questions
What county is ZIP code 02143 in?
ZIP code 02143 (Somerville) is located in Middlesex County, Massachusetts. Middlesex County contains multiple ZIP codes, see the full list at /counties/middlesex-ma.
What is the population of ZIP code 02143?
ZIP code 02143 in Somerville, MA has a population of 24,514 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 02143?
The median household income in ZIP 02143 is $130,753, which is 71% above the national average of $76,288.
What is the average home value in ZIP 02143?
The median home value in ZIP 02143 is $926,800, which is 233% above the national average of $278,155.
What is the demographic makeup of ZIP 02143?
The largest racial group in ZIP 02143 is White at 70.1%. Hispanic or Latino residents make up 9.8% of the population.
How many businesses are in ZIP code 02143?
ZIP code 02143 has 679 business establishments employing approximately 11,442 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 02143?
The top industries by establishment count in ZIP 02143 are: Professional, scientific, and technical services (110), Accommodation and food services (100), Retail trade (83). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 02143?
According to the FHFA House Price Index, home values in ZIP 02143 increased by 2.2% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 315%. 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 02143?
In ZIP code 02143, 85.2% of residents aged 25+ have a high school diploma or higher, and 75.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 02143?
The mean commute time for workers in ZIP code 02143 is 29.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 02143?
In ZIP code 02143, approximately 31.0% of occupied housing units are owner-occupied and 69.0% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 02143?
The poverty rate in ZIP code 02143 is 8.9% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
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What to do with ZIP 02143's numbers, next.
- See how ZIP 02143 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Somerville, MA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
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ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.