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Demographics, home values, and business data for ZIP code 91977
City
Spring Valley
State
California
County
San Diego
Population
60,795
Real Estate · Zillow ZHVI
Typical Home Value
$768,674
Prior Year
$786,637
1-Year Change
-2.3%
Metro: San Diego-Chula Vista-Carlsbad, CA · Updated 2026-03-31
ZIP Intelligence · Sprytne.com
ZIP code 91977 covers Spring Valley, California, in San Diego County. Population: approximately 60,795 residents. Typical home value: $768,674, down -2.3% YoY.
Sources: US ZIP database · Zillow ZHVI · SEC EDGAR
Timezone
America/Los_Angeles
Latitude
32.7240°N
Longitude
-116.9976°
Verified United States Postal Service branch offices serving ZIP code 91977
-237 Federal Way, Spring Valley, CA
⏰ Weekdays: 8:30 AM - 5:00 PM
🛂 Passport Services: No
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ZIP code 91977 is in Spring Valley, California (San Diego County).
The typical home value in ZIP 91977 is $768,674, down -2.3% year-over-year, per Zillow ZHVI data updated 2026-03-31.
ZIP code 91977 has approximately 60,795 residents.
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Geographic data: US ZIP code database. Home values: Zillow Research ZHVI, updated 2026-03-31. Company data: SEC EDGAR.