02478 vs 02140 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 02478, Orange = ZIP 02140.
Quick verdict: ZIP 02478 is wealthier, higher home values, more affordable rent, lower poverty rate, more educated. ZIP 02140 is lower unemployment, more diverse, higher work-from-home share.
Quick Facts
ZIP 02478
Belmont CDP, MA
View full profile →- Population26,966
- Median Income$177,790
- Median Home Value$1109k
- Median Rent$2,239
- Median Age42.4 yrs
- Poverty Rate3.5%
ZIP 02140
Cambridge city, MA
View full profile →- Population21,361
- Median Income$136,382
- Median Home Value$1070k
- Median Rent$2,474
- Median Age34.5 yrs
- Poverty Rate10.8%
Visual comparison (same scale)
Population
26,96621,361
Median Income
$177,790$136,382
Median Home Value
$1109k$1070k
Median Rent
$2,239$2,474
Median Age
42.4 yrs34.5 yrs
Poverty Rate
3.5%10.8%
Demographics
ZIP 02478
Belmont CDP, MA
View full profile →- White %69.7%
- Black %1.5%
- Asian %20.4%
- Hispanic %4.7%
- Age 0–17 %24.4%
- Age 18–64 %57.4%
- Age 65+ %18.2%
- Bachelor's+ %80.1%
- Diversity Index47/100
ZIP 02140
Cambridge city, MA
View full profile →- White %56.4%
- Black %15.4%
- Asian %18.8%
- Hispanic %6.3%
- Age 0–17 %14.8%
- Age 18–64 %71.3%
- Age 65+ %13.8%
- Bachelor's+ %78.6%
- Diversity Index62/100
Visual comparison (same scale)
White %
69.7%56.4%
Black %
1.5%15.4%
Asian %
20.4%18.8%
Hispanic %
4.7%6.3%
Age 0–17 %
24.4%14.8%
Age 18–64 %
57.4%71.3%
Age 65+ %
18.2%13.8%
Bachelor's+ %
80.1%78.6%
Diversity Index
47/10062/100
Economy
ZIP 02478
Belmont CDP, MA
View full profile →- Median Income$177,790
- Unemployment %4.5%
- IRS Net Migration+1,273
- Work From Home %28.4%
ZIP 02140
Cambridge city, MA
View full profile →- Median Income$136,382
- Unemployment %2.6%
- IRS Net Migration+1,008
- Work From Home %30.2%
Visual comparison (same scale)
Median Income
$177,790$136,382
Unemployment %
4.5%2.6%
IRS Net Migration
+1,273+1,008
Work From Home %
28.4%30.2%
Housing
ZIP 02478
Belmont CDP, MA
View full profile →- Median Home Value$1109k
- Median Rent$2,239
- Owner Occupied %64.4%
- Broadband %95.7%
- Vacant %4.4%
- Median Year Built1938
ZIP 02140
Cambridge city, MA
View full profile →- Median Home Value$1070k
- Median Rent$2,474
- Owner Occupied %35.9%
- Broadband %95.1%
- Vacant %9.8%
- Median Year Built1950
Visual comparison (same scale)
Median Home Value
$1109k$1070k
Median Rent
$2,239$2,474
Owner Occupied %
64.4%35.9%
Broadband %
95.7%95.1%
Vacant %
4.4%9.8%
Median Year Built
19381950
Climate & Location
ZIP 02478
Belmont CDP, MA
View full profile →- Snow Days/Year0 days
- Elevation (ft)95 ft
- Nearest Airport7.6 miles (12.2 km)
- Distance to Coast5.0 miles (8.0 km)
ZIP 02140
Cambridge city, MA
View full profile →- Snow Days/Year0 days
- Elevation (ft)95 ft
- Nearest Airport6.8 miles (10.9 km)
- Distance to Coast2.6 miles (4.3 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
95 ft95 ft
Nearest Airport
7.6 miles (12.2 km)6.8 miles (10.9 km)
Distance to Coast
5.0 miles (8.0 km)2.6 miles (4.3 km)
Infrastructure
ZIP 02478
Belmont CDP, MA
View full profile →- Work From Home %28.4%
- Walkability (0–100)72
- Broadband %95.7%
ZIP 02140
Cambridge city, MA
View full profile →- Work From Home %30.2%
- Walkability (0–100)82
- Broadband %95.1%
Visual comparison (same scale)
Work From Home %
28.4%30.2%
Walkability (0–100)
7282
Broadband %
95.7%95.1%
Frequently Asked Questions
How do ZIP 02478 and 02140 compare?
ZIP 02478 is wealthier, higher home values, more affordable rent, lower poverty rate, more educated. ZIP 02140 is lower unemployment, more diverse, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (02478), orange the second (02140). The same colors are used in the map markers and comparison bars.
Where does this data come from?
Data is from the U.S. Census Bureau and other federal sources. See our Methodology page for details.
How can I compare other ZIP codes?
From any ZIP page, use the "Compare with Another ZIP" tool, or go to /compare/XXXXX-vs-YYYYY (replace with two 5-digit ZIP codes).
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