94027 vs 94070 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 94027, Orange = ZIP 94070.
Quick verdict: ZIP 94027 is wealthier, lower unemployment, more educated, higher work-from-home share. ZIP 94070 is more affordable rent, lower poverty rate, more diverse.
Quick Facts
ZIP 94027
Atherton town, CA
View full profile →- Population7,030
- Median Income$250,001
- Median Home Value$2000k
- Median Rent$3,501
- Median Age49.1 yrs
- Poverty Rate3.3%
ZIP 94070
San Carlos city, CA
View full profile →- Population30,696
- Median Income$235,373
- Median Home Value$2000k
- Median Rent$2,708
- Median Age41.6 yrs
- Poverty Rate3.2%
Visual comparison (same scale)
Population
7,03030,696
Median Income
$250,001$235,373
Median Home Value
$2000k$2000k
Median Rent
$3,501$2,708
Median Age
49.1 yrs41.6 yrs
Poverty Rate
3.3%3.2%
Demographics
ZIP 94027
Atherton town, CA
View full profile →- White %69.8%
- Black %0.8%
- Asian %18.6%
- Hispanic %11.7%
- Age 0–17 %18.4%
- Age 18–64 %55.8%
- Age 65+ %25.7%
- Bachelor's+ %86.0%
- Diversity Index46/100
ZIP 94070
San Carlos city, CA
View full profile →- White %59.4%
- Black %0.8%
- Asian %21.8%
- Hispanic %10.8%
- Age 0–17 %24.1%
- Age 18–64 %59.5%
- Age 65+ %16.4%
- Bachelor's+ %68.4%
- Diversity Index58/100
Visual comparison (same scale)
White %
69.8%59.4%
Black %
0.8%0.8%
Asian %
18.6%21.8%
Hispanic %
11.7%10.8%
Age 0–17 %
18.4%24.1%
Age 18–64 %
55.8%59.5%
Age 65+ %
25.7%16.4%
Bachelor's+ %
86.0%68.4%
Diversity Index
46/10058/100
Economy
ZIP 94027
Atherton town, CA
View full profile →- Median Income$250,001
- Unemployment %3.0%
- IRS Net Migration+346
- Work From Home %39.5%
ZIP 94070
San Carlos city, CA
View full profile →- Median Income$235,373
- Unemployment %4.6%
- IRS Net Migration+1,511
- Work From Home %33.0%
Visual comparison (same scale)
Median Income
$250,001$235,373
Unemployment %
3.0%4.6%
IRS Net Migration
+346+1,511
Work From Home %
39.5%33.0%
Housing
ZIP 94027
Atherton town, CA
View full profile →- Median Home Value$2000k
- Median Rent$3,501
- Owner Occupied %87.4%
- Broadband %96.8%
- Vacant %15.2%
- Median Year Built1960
ZIP 94070
San Carlos city, CA
View full profile →- Median Home Value$2000k
- Median Rent$2,708
- Owner Occupied %69.0%
- Broadband %97.8%
- Vacant %5.2%
- Median Year Built1962
Visual comparison (same scale)
Median Home Value
$2000k$2000k
Median Rent
$3,501$2,708
Owner Occupied %
87.4%69.0%
Broadband %
96.8%97.8%
Vacant %
15.2%5.2%
Median Year Built
19601962
Climate & Location
ZIP 94027
Atherton town, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)31 ft
- Nearest Airport4.8 miles (7.8 km)
- Distance to Coast3.5 miles (5.6 km)
ZIP 94070
San Carlos city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)31 ft
- Nearest Airport1.7 miles (2.7 km)
- Distance to Coast2.8 miles (4.5 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
31 ft31 ft
Nearest Airport
4.8 miles (7.8 km)1.7 miles (2.7 km)
Distance to Coast
3.5 miles (5.6 km)2.8 miles (4.5 km)
Infrastructure
ZIP 94027
Atherton town, CA
View full profile →- Work From Home %39.5%
- Walkability (0–100)41
- Broadband %96.8%
ZIP 94070
San Carlos city, CA
View full profile →- Work From Home %33.0%
- Walkability (0–100)52
- Broadband %97.8%
Visual comparison (same scale)
Work From Home %
39.5%33.0%
Walkability (0–100)
4152
Broadband %
96.8%97.8%
Frequently Asked Questions
How do ZIP 94027 and 94070 compare?
ZIP 94027 is wealthier, lower unemployment, more educated, higher work-from-home share. ZIP 94070 is more affordable rent, lower poverty rate, more diverse.
What do the blue and orange colors mean?
Blue represents the first ZIP (94027), orange the second (94070). 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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