Cambridge MA vs Seattle WA — Cost of Living, Crime & Income Comparison 2026
Updated May 2026 · Source: US Census ACS 5-Year (2023), FBI CDE (2023), BLS OEWS (2024)
Cambridge, MA
Massachusetts · Population: 117,794
- Median HH Income$126,469
- Median Home Price$1,041,988
- Unemployment3.4%
- Bachelor's+80.2%
Seattle, WA
Washington · Population: 741,440
- Median HH Income$121,984
- Median Home Price$871,599
- Unemployment4.2%
- Bachelor's+67.5%
Detailed Comparison
Demographics
Population
Cambridge
117,794
Seattle
741,440
Seattle +
Pop. Density / sq mi
Lower = more space
Cambridge
N/A
Seattle
N/A
Median Age
Cambridge
30.5
Cambridge +
Seattle
35.5
Foreign Born
Cambridge
28.8%
Cambridge +
Seattle
19.9%
White
Cambridge
57.5%
Seattle
61.8%
Seattle +
Black
Cambridge
10.5%
Cambridge +
Seattle
6.6%
Asian
Cambridge
19.7%
Cambridge +
Seattle
17.2%
Hispanic
Cambridge
8.9%
Cambridge +
Seattle
8.2%
Spanish at Home
Cambridge
N/A
Seattle
N/A
| Metric | Cambridge, MA | Seattle, WA | Better |
|---|---|---|---|
| Population | 117,794 | 741,440 | Seattle + |
| Pop. Density / sq miLower = more space | N/A | N/A | - |
| Median Age | 30.5 | 35.5 | Cambridge + |
| Foreign Born | 28.8% | 19.9% | Cambridge + |
| White | 57.5% | 61.8% | Seattle + |
| Black | 10.5% | 6.6% | Cambridge + |
| Asian | 19.7% | 17.2% | Cambridge + |
| Hispanic | 8.9% | 8.2% | Cambridge + |
| Spanish at Home | N/A | N/A | - |
Economy
Median HH Income
Cambridge
$126,469
Cambridge +
Seattle
$121,984
Per Capita Income
Cambridge
$76,789
Seattle
$82,508
Seattle +
Per Capita Personal Income (MSA)
BEA MSA-level
Cambridge
$85,405
Cambridge +
Seattle
$76,120
Unemployment Rate
Cambridge
3.4%
Cambridge +
Seattle
4.2%
Poverty Rate
Cambridge
12.4%
Seattle
9.9%
Seattle +
Bachelor's Degree+
Cambridge
80.2%
Cambridge +
Seattle
67.5%
| Metric | Cambridge, MA | Seattle, WA | Better |
|---|---|---|---|
| Median HH Income | $126,469 | $121,984 | Cambridge + |
| Per Capita Income | $76,789 | $82,508 | Seattle + |
| Per Capita Personal Income (MSA)BEA MSA-level | $85,405 | $76,120 | Cambridge + |
| Unemployment Rate | 3.4% | 4.2% | Cambridge + |
| Poverty Rate | 12.4% | 9.9% | Seattle + |
| Bachelor's Degree+ | 80.2% | 67.5% | Cambridge + |
Housing
Median Home Value
Zillow ZHVI / Census ACS
Cambridge
$1,041,988
Seattle
$871,599
Seattle +
Homeownership Rate
Cambridge
33.7%
Seattle
44.3%
Seattle +
| Metric | Cambridge, MA | Seattle, WA | Better |
|---|---|---|---|
| Median Home ValueZillow ZHVI / Census ACS | $1,041,988 | $871,599 | Seattle + |
| Homeownership Rate | 33.7% | 44.3% | Seattle + |
Safety
Violent Crime / 100K
FBI CDE (state-level est.)
Cambridge
326
Cambridge +
Seattle
383
Property Crime / 100K
FBI CDE (state-level est.)
Cambridge
1086
Cambridge +
Seattle
3409
| Metric | Cambridge, MA | Seattle, WA | Better |
|---|---|---|---|
| Violent Crime / 100KFBI CDE (state-level est.) | 326 | 383 | Cambridge + |
| Property Crime / 100KFBI CDE (state-level est.) | 1086 | 3409 | Cambridge + |
Health
Obesity Rate
CDC PLACES
Cambridge
21.9%
Cambridge +
Seattle
22.2%
Diabetes Rate
CDC PLACES
Cambridge
5.9%
Cambridge +
Seattle
6.1%
Poor Mental Health
CDC PLACES — 14+ days/month
Cambridge
16.0%
Seattle
15.3%
Seattle +
No Health Insurance
CDC PLACES
Cambridge
3.8%
Cambridge +
Seattle
6.1%
Binge Drinking
CDC PLACES
Cambridge
18.5%
Cambridge +
Seattle
19.0%
Current Smokers
CDC PLACES
Cambridge
7.1%
Seattle
6.5%
Seattle +
| Metric | Cambridge, MA | Seattle, WA | Better |
|---|---|---|---|
| Obesity RateCDC PLACES | 21.9% | 22.2% | Cambridge + |
| Diabetes RateCDC PLACES | 5.9% | 6.1% | Cambridge + |
| Poor Mental HealthCDC PLACES — 14+ days/month | 16.0% | 15.3% | Seattle + |
| No Health InsuranceCDC PLACES | 3.8% | 6.1% | Cambridge + |
| Binge DrinkingCDC PLACES | 18.5% | 19.0% | Cambridge + |
| Current SmokersCDC PLACES | 7.1% | 6.5% | Seattle + |
Climate
Avg Annual Temp
NOAA 1991–2020 normal
Cambridge
N/A
Seattle
52.6°F
Annual Precipitation
NOAA 1991–2020 normal
Cambridge
N/A
Seattle
37.5 in
| Metric | Cambridge, MA | Seattle, WA | Better |
|---|---|---|---|
| Avg Annual TempNOAA 1991–2020 normal | N/A | 52.6°F | - |
| Annual PrecipitationNOAA 1991–2020 normal | N/A | 37.5 in | - |
Air Quality
PM2.5 Annual Avg
EPA AQS (state-level est.)
Cambridge
7.2 µg/m³
Cambridge +
Seattle
7.5 µg/m³
Good Air Days
AQI ≤ 50
Cambridge
75.0%
Seattle
75.0%
Tie
| Metric | Cambridge, MA | Seattle, WA | Better |
|---|---|---|---|
| PM2.5 Annual AvgEPA AQS (state-level est.) | 7.2 µg/m³ | 7.5 µg/m³ | Cambridge + |
| Good Air DaysAQI ≤ 50 | 75.0% | 75.0% | Tie |
Commute
Mean Commute Time
Census ACS
Cambridge
28.3 min
Cambridge +
Seattle
28.8 min
| Metric | Cambridge, MA | Seattle, WA | Better |
|---|---|---|---|
| Mean Commute TimeCensus ACS | 28.3 min | 28.8 min | Cambridge + |
Which City is Right for You?
Cambridge leads in median household income at $126,469, while seattle offers more affordable housing with a median home price of $871,599. On public safety, Cambridge is safer with a violent crime rate of 326 per 100,000 residents, compared to 383 in Seattle. Cambridge has a lower unemployment rate at 3.4%, and Cambridge has cleaner air (PM2.5 avg 7.2 µg/m³). For overall health outcomes, Cambridge scores better with a lower obesity rate of 21.9%.
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