Cambridge, MA
Census ZIP code profile for Cambridge, MA - 5 ZIPs, total population 105,321. Median income, home value, education, commute, and demographics from the U.S. Census Bureau American Community Survey 2023 5-Year Estimates.
U.S. Census Bureau, SimpleMaps US ZIP Code Database, delivery-area ZIP coverage
ACS city ledger plate
Sheet CAMBRIDGE-MA · Cambridge, MA 5 ZIPs · 105,321 pop · #1445/25278 · Middlesex County
INC-TOP · RANK-TOP · PHOTO-FINISH · BOOK-MID · OWN-RENT · POP-MID · SPREAD-TIGHT · HOME-TOP
- INC-TOP $132,817
- RANK-TOP #1445/25278
- PHOTO-FINISH ≈ Somerville
- BOOK-MID 5 ZIPs
- OWN-RENT 28% owners
- POP-MID 105,321
- SPREAD-TIGHT 02138→02142
- HOME-TOP $1,254,460
Nearest income peer: Somerville, MA (+ $2,123 income $)
Instrument codes from this city’s ACS household income, national rank, county-peer gap, ZIP book, owner tenure, population scale, intra-city income spread, and home-value band, not a moving recommendation.
Income neighbourhood around Cambridge
Lowest/highest poles plus county-sharing cities nearest Cambridge on average ZIP median household income. Full ladder: /cities.
- Lowell · lowest
Lowell · lowest
$78,949 median HH income
- Watertown · near
Watertown · near
$126,336 median HH income
- Medford · near
Medford · near
$129,700 median HH income
- Cambridge · this city
Cambridge · this city
$132,817 median HH income
- Somerville · near
Somerville · near
$134,940 median HH income
- Natick · near
Natick · near
$138,563 median HH income
- Arlington · highest
Arlington · highest
$150,846 median HH income
What this shows County-sharing peers only, not the full US city board. Open a near peer when the gap is small; open the poles when the mosaic is wide.
National city placement
According to ACS 5-Year Estimates, Cambridge, MA sits among US cities with a top-decile household income, on a mid-size population base, across a compact ZIP cluster.
- Top 6%
- household income vs 25,278 US cities
- 105,321
- city population (Census)
- 5
- USPS ZIP codes covered
- $132,817
- avg ZIP median income
Income percentile ranks this city's average ZIP median household income against 25,278 US cities with ACS income on at least one ZIP. Scale and ZIP-spread words come from Census population and USPS ZIP coverage.
High-income city with a manageable ZIP set (5 codes). Median household income averages $132,817 against unemployment of 3.1%. Home values around $1,254,460 and rents near $2,899 usually move together, compare two adjacent ZIPs when school-catchment pockets matter.
Cambridge sits in the upper half of Middlesex County on income: Lowell, Framingham and Waltham report less, while Arlington and Natick report more. Lowell marks the far end of that range at $78,949, 41% below Cambridge.
Within-city ZIP comparison
Where the ZIP codes inside Cambridge differ
Housing values create the stronger within-city contrast here. ZIP 02141 has a median home value of $868,100, compared with $1,954,500 in 02142. Use the city average for a broad profile, then compare these ZIP pages when a housing decision depends on the local market.
- Income high-to-low ratio
- 1.2×
- Home-value high-to-low ratio
- 2.3×
- Poverty-rate spread
- 7.2 points
02138 to 02142
02141 to 02142
02142 to 02141
Derived from the published ACS 2023 ZIP-level records shown on this site. A high-to-low ratio compares the highest and lowest available ZIP values; it is not a score or forecast.
Population concentration
Cambridge population is a blend, not a flagship ZIP
Across 5 delivery areas, the densest code 02139 still covers only about 35% of Cambridge's 105,321 residents. The city average is a blend, pick two ZIPs with different incomes before using one number.
Census ZBP business roll-up
Dense employer mosaic across Cambridge
Citywide ZBP: 3,718 establishments, 159,836 employees , annual payroll $22,028,248k (~35 establishments per 1,000 residents) across 5 of 5 ZIPs. Peak business ZIP 02139 (1,118 units) ; leading NAICS Professional, scientific, and technical services (1,079) · also Accommodation and food services · Health care and social assistance .
ZIP Codes in Cambridge, MA
These ZIP codes sit in Middlesex County, which covers 81 ZIP codes in all; 5 of them fall in Cambridge. See the Middlesex County roll-up →
Cambridge sits in the upper half of Middlesex County on income: Lowell, Framingham and Waltham report less, while Arlington and Natick report more. Lowell marks the far end of that range at $78,949, 41% below Cambridge.
Side-by-side: Compare 02139 vs 02138 →
Cambridge roll-ups here are for informational purposes only and do not constitute financial or relocation advice. ACS and Census ZBP figures are estimates; confirm the current table against Census before a money or move decision involving Cambridge, .