91978 vs 91915 — Compare ZIP Codes
Side-by-side comparison. Blue = ZIP 91978, Orange = ZIP 91915.
Quick verdict: ZIP 91978 is more affordable rent. ZIP 91915 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
Quick Facts
ZIP 91978
Spring Valley CDP, CA
View full profile →- Population10,511
- Median Income$111,506
- Median Home Value$597k
- Median Rent$2,089
- Median Age38.4 yrs
- Poverty Rate13.4%
ZIP 91915
Chula Vista city, CA
View full profile →- Population35,385
- Median Income$138,283
- Median Home Value$720k
- Median Rent$2,664
- Median Age34.9 yrs
- Poverty Rate6.0%
Visual comparison (same scale)
Population
10,51135,385
Median Income
$111,506$138,283
Median Home Value
$597k$720k
Median Rent
$2,089$2,664
Median Age
38.4 yrs34.9 yrs
Poverty Rate
13.4%6.0%
Demographics
ZIP 91978
Spring Valley CDP, CA
View full profile →- White %45.0%
- Black %11.5%
- Asian %6.1%
- Hispanic %36.7%
- Age 0–17 %23.6%
- Age 18–64 %62.3%
- Age 65+ %14.1%
- Bachelor's+ %30.6%
- Diversity Index65/100
ZIP 91915
Chula Vista city, CA
View full profile →- White %30.3%
- Black %8.1%
- Asian %23.1%
- Hispanic %43.5%
- Age 0–17 %29.9%
- Age 18–64 %62.0%
- Age 65+ %8.1%
- Bachelor's+ %51.0%
- Diversity Index66/100
Visual comparison (same scale)
White %
45.0%30.3%
Black %
11.5%8.1%
Asian %
6.1%23.1%
Hispanic %
36.7%43.5%
Age 0–17 %
23.6%29.9%
Age 18–64 %
62.3%62.0%
Age 65+ %
14.1%8.1%
Bachelor's+ %
30.6%51.0%
Diversity Index
65/10066/100
Economy
ZIP 91978
Spring Valley CDP, CA
View full profile →- Median Income$111,506
- Unemployment %6.9%
- IRS Net Migration+517
- Work From Home %12.1%
ZIP 91915
Chula Vista city, CA
View full profile →- Median Income$138,283
- Unemployment %4.4%
- IRS Net Migration+1,741
- Work From Home %15.4%
Visual comparison (same scale)
Median Income
$111,506$138,283
Unemployment %
6.9%4.4%
IRS Net Migration
+517+1,741
Work From Home %
12.1%15.4%
Housing
ZIP 91978
Spring Valley CDP, CA
View full profile →- Median Home Value$597k
- Median Rent$2,089
- Owner Occupied %65.8%
- Broadband %94.3%
- Vacant %2.2%
- Median Year Built1979
ZIP 91915
Chula Vista city, CA
View full profile →- Median Home Value$720k
- Median Rent$2,664
- Owner Occupied %71.6%
- Broadband %99.0%
- Vacant %3.0%
- Median Year Built2005
Visual comparison (same scale)
Median Home Value
$597k$720k
Median Rent
$2,089$2,664
Owner Occupied %
65.8%71.6%
Broadband %
94.3%99.0%
Vacant %
2.2%3.0%
Median Year Built
19792005
Climate & Location
ZIP 91978
Spring Valley CDP, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)495 ft
- Nearest Airport10.7 miles (17.3 km)
- Distance to Coast11.6 miles (18.6 km)
ZIP 91915
Chula Vista city, CA
View full profile →- Snow Days/Year0 days
- Elevation (ft)515 ft
- Nearest Airport3.9 miles (6.3 km)
- Distance to Coast8.7 miles (14.0 km)
Visual comparison (same scale)
Snow Days/Year
0 days0 days
Elevation (ft)
495 ft515 ft
Nearest Airport
10.7 miles (17.3 km)3.9 miles (6.3 km)
Distance to Coast
11.6 miles (18.6 km)8.7 miles (14.0 km)
Infrastructure
ZIP 91978
Spring Valley CDP, CA
View full profile →- Work From Home %12.1%
- Walkability (0–100)60
- Broadband %94.3%
ZIP 91915
Chula Vista city, CA
View full profile →- Work From Home %15.4%
- Walkability (0–100)—
- Broadband %99.0%
Visual comparison (same scale)
Work From Home %
12.1%15.4%
Walkability (0–100)
60—
Broadband %
94.3%99.0%
Frequently Asked Questions
How do ZIP 91978 and 91915 compare?
ZIP 91978 is more affordable rent. ZIP 91915 is wealthier, higher home values, lower poverty rate, lower unemployment, more diverse, more educated, higher work-from-home share.
What do the blue and orange colors mean?
Blue represents the first ZIP (91978), orange the second (91915). 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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