Zip Code 91977
Spring Valley, California — San Diego County
📍 ZIP code 91977 is in Spring Valley, San Diego County, California.
ZIP code 91977 is located in Spring Valley, San Diego County, California. It is a zip code in the Pacific (PST/PDT) Time Zone with an estimated population of 62,957. The area code for ZIP code 91977 is 805.
Quick Answer
Zip code 91977 is in Spring Valley, California (San Diego County). It has a population of 62,957, median household income of $92,407, and median home value of $623,500.
Population
62,957
Income
$92,407
Home Value
$623,500
Climate
86°F / 43°F
About Zip Code 91977
Zip code 91977 is located in Spring Valley, California, within San Diego County. Home to approximately 62,957 residents, this area sits at an elevation of 867 ft and falls within the Pacific (PST/PDT) timezone. The local area code is 805.
The median household income is $92,407 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $623,500, and the cost of living index is 172 (72% above the national average of 100).
Summers average a high of 86°F while winters drop to 43°F. The area receives about 12 in of rain annually. The zip code covers 9.7 square miles of land area.
Key Statistics
62,957
$92,407
$623,500
Pacific (PST/PDT)
805
867 ft
9.7 sq mi
35.3
20,026
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Compare With Nearby Zip Codes
| Metric | 91977 | 91945 | 91941 | 91978 | 92114 | 91942 |
|---|---|---|---|---|---|---|
| City | Spring Valley, CA | Lemon Grove, CA | Spring Valley, CA | Spring Valley, CA | San Diego, CA | La Mesa, CA |
| Population | 62,957 | 27,531 | 33,706 | 10,511 | 64,820 | 40,920 |
| Median Income | $92,407 | $79,381 | $111,607 | $111,506 | $90,171 | $81,262 |
| Home Value | $623,500 | $640,500 | $884,800 | $597,300 | $604,300 | $689,300 |
| Cost of Living | 172 | 169 | 238 | 164 | 166 | 182 |
| Median Age | 35.3 | 38.8 | 41.2 | 38.4 | 38 | 37.5 |
Cost of Living
100 = National Average. Spring Valley's cost of living is 72% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
6.7x
Demographics
Zip code 91977 has a population of 62,957 people with a median age of 35.3. There are 20,026 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Spring Valley (91977) population trend from 2010 to 2024
↑ 62.9%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
86°F
43°F
12 in
0 in
Spring Valley experiences warm summers with average highs around 86°F. Winters are mild with lows averaging 43°F. The area receives virtually no snowfall.
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Housing & Economy
Median Home Value
$623,500
Median Household Income
$92,407
With 20,026 housing units across 9.7 square miles, 91977 has a housing density of 2,065 units per square mile. The home price-to-income ratio is 6.7x.
Location & Geography
Latitude
32.7260°
Longitude
-116.9966°
Land Area
9.7 sq mi
Water Area
0 sq mi
Nearby Zip Codes
Zip codes closest to 91977 (Spring Valley, CA) with distances:
All Zip Codes in Spring Valley, CA
Other zip codes serving Spring Valley:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 91977's $92,407. A way to compare Spring Valley to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 91977 (Spring Valley, CA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Spring Valley, California?
Spring Valley, California uses zip code 91977 along with 2 other zip codes.
What county is zip code 91977 in?
Zip code 91977 is located in San Diego County, California.
What is the population of zip code 91977?
The population of zip code 91977 is 62,957 with a median age of 35.3.
Is 91977 in Spring Valley, California?
Yes, zip code 91977 is in Spring Valley, San Diego County, California. The area code is 805.
Frequently Asked Questions
What city is zip code 91977 in?
Zip code 91977 is in Spring Valley, California. It is part of San Diego County and uses the Pacific (PST/PDT) timezone.
What is zip code 91977?
Zip code 91977 is a U.S. postal code in Spring Valley, California (San Diego County). It has a population of 62,957 and covers 9.7 square miles.
What is the population of zip code 91977?
The population of zip code 91977 (Spring Valley, CA) is 62,957 with a median age of 35.3. There are approximately 20,026 housing units in this area.
What is the median income in zip code 91977?
The median household income in zip code 91977 (Spring Valley, CA) is $92,407 per year. The cost of living index is 172 (100 = national average).
What is the average home price in zip code 91977?
The median home value in zip code 91977 (Spring Valley, CA) is $623,500. The cost of living index is 172 compared to the national average of 100.
What county is zip code 91977 in?
Zip code 91977 is located in San Diego County, California. The primary city is Spring Valley.
What is the area code for zip code 91977?
Zip code 91977 in Spring Valley, CA uses area code 805. It is located in the Pacific (PST/PDT) timezone.
Is zip code 91977 a good place to live?
Zip code 91977 (Spring Valley, CA) has a cost of living index of 172 (100 = national average), a median household income of $92,407, and median home values of $623,500. The median age is 35.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 91977?
The cost of living index for zip code 91977 (Spring Valley, CA) is 172, where 100 represents the national average. This area is above the national average. Median home value: $623,500.
What schools serve zip code 91977?
Zip code 91977 in Spring Valley, California is served by the local school district of San Diego County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.