PlainZIP

Somerville, MA · standard

ZIP Code 02145

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

25,439
7,036/sq mi
$123,755
Median income
$828,600
Median home value
57.4%
Bachelor's or higher

The verdict

Somerville pairs a top-decile household income with top-decile home values, in a suburban-density, renter-heavy area.

Top 8%
household income, US ZIPs
Top 4%
home value, US ZIPs
7,036
people per sq mi
36%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 02145 against every reporting US ZIP.

ZIP code 02145 is a densely settled ZIP (a standard USPS delivery area) in Somerville, Middlesex County, Massachusetts, with 25,439 residents across 3.6 square miles, a density of 7,036 people per square mile, in the New York time zone.

ZIP 02145 skews affluent, with a median household income of $123,755 (7% above the Massachusetts average), while per-capita income is $65,296. Poverty here runs at 9.9%, with unemployment measured at 3.2%. On housing, the median home value is $828,600 (38% above the state average) with median rent at $2,398 per month, and 35.6% of occupied units are owner-occupied.

This is a highly-educated ZIP: 57.4% of adults hold a bachelor's degree or higher, the median age is 33.3, and the average commute is 32 minutes. Beyond these figures, 10 nearby ZIP codes within about 10 miles are surfaced below, along with 6 more sharing Middlesex County, letting you compare 02145 to its immediate surroundings rather than a national baseline 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 02145

Top 5 sectors by establishment count in Somerville, MA

Which industries have the most business establishments in ZIP 02145.

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 02145, 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

25,439

Population

3.6

Area (sq mi)

7,036

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 02145?

33.3

Median Age

51.8%

Male

48.2%

Female

32.4%

Foreign-Born

White 58.8%
African American 6.0%
Asian 12.4%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 13.0%
Hispanic or Latino 17.6%

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?

$123,755

Median Household Income

+7% vs state

$65,296

Per Capita Income

9.9%

Poverty Rate

3.2%

Unemployment Rate

32.3 min

Mean Commute Time

How ZIP 02145 ranks nationally

Somerville, MA household income vs. every US ZIP code

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

$123,755 Top 8% higher than 92% 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%). This entry sits in this band. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. 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 73.6%
Bachelor's Degree or Higher 57.4%

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

What does housing look like?

12,537

Total Housing Units

11,940

Occupied Units

597

Vacant Units

2.29

Avg Household Size

Occupancy Type

Owner 35.6%
Renter 64.4%

$828,600

Median Home Value

+38% vs state

$2,398

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

+1.7%

YoY Change (2024)

372

HPI Index (2000 = 100)

+272%

Total Change Since 2000

Home values in ZIP 02145 have increased 1.7% over the past year (2024). Since 2000, this ZIP has seen +272% cumulative appreciation.

Year Annual Change HPI Index
2020 +3.8% 324
2021 +5.1% 340
2022 +5.9% 360
2023 +1.5% 365
2024 +1.7% 372

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 456 business establishments in ZIP 02145, employing approximately 6,587 people with a combined annual payroll of $407,658,000.

456

Businesses

6,587

Employees

$407.7M

Annual Payroll

16

Industry Sectors

Industry Establishments % of Total
Retail trade 88 19.3%
Accommodation and food services 80 17.5%
Construction 47 10.3%
Professional, scientific, and technical services 47 10.3%
Other services (except public administration) 46 10.1%
Health care and social assistance 38 8.3%
Real estate and rental and leasing 22 4.8%
Administrative and support and waste management and remediation services 21 4.6%
Information 11 2.4%
Finance and insurance 11 2.4%
Manufacturing 10 2.2%
Arts, entertainment, and recreation 10 2.2%
Wholesale trade 7 1.5%
Transportation and warehousing 7 1.5%
Educational services 6 1.3%
Management of companies and enterprises 3 0.7%

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 02145 vs 02143 →

ZIP 02145 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 02145 ranks #4 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 02145 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 02145 ranks #null 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
02143 Somerville, MA 24,514 0.8 mi
02141 Cambridge, MA 11,910 1.6 mi
02142 Cambridge, MA 3,141 2.1 mi
02129 Charlestown, MA 16,439 1.7 mi
02144 Somerville, MA 23,891 1.8 mi
02139 Cambridge, MA 36,349 2.2 mi
02140 Cambridge, MA 17,607 2.2 mi
02149 Everett, MA 41,550 2.0 mi
02155 Medford, MA 57,964 2.4 mi
02114 Boston, MA 11,999 2.3 mi

More ZIP Codes in Middlesex County

02148 standard
Malden, MA
Pop: 59,503
02155 standard
Medford, MA
Pop: 57,964
02149 standard
Everett, MA
Pop: 41,550
01801 standard
Woburn, MA
Pop: 38,903
01752 standard
Marlborough, MA
Pop: 38,499
01702 standard
Framingham, MA
Pop: 37,206

Related Areas

Middlesex County Somerville, MA Massachusetts

Frequently Asked Questions

What county is ZIP code 02145 in? ▼
ZIP code 02145 (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 02145? ▼
ZIP code 02145 in Somerville, MA has a population of 25,439 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 02145? ▼
The median household income in ZIP 02145 is $123,755, which is 62% above the national average of $76,288.
What is the average home value in ZIP 02145? ▼
The median home value in ZIP 02145 is $828,600, which is 198% above the national average of $278,155.
What is the demographic makeup of ZIP 02145? ▼
The largest racial group in ZIP 02145 is White at 58.8%. Hispanic or Latino residents make up 17.6% of the population.
How many businesses are in ZIP code 02145? ▼
ZIP code 02145 has 456 business establishments employing approximately 6,587 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 02145? ▼
The top industries by establishment count in ZIP 02145 are: Retail trade (88), Accommodation and food services (80), Construction (47). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 02145? ▼
According to the FHFA House Price Index, home values in ZIP 02145 increased by 1.7% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 272%. 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 02145? ▼
In ZIP code 02145, 73.6% of residents aged 25+ have a high school diploma or higher, and 57.4% 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 02145? ▼
The mean commute time for workers in ZIP code 02145 is 32.3 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 02145? ▼
In ZIP code 02145, approximately 35.6% of occupied housing units are owner-occupied and 64.4% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 02145? ▼
The poverty rate in ZIP code 02145 is 9.9% 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.