91977 ZIP Code — Spring Valley, CA
San Diego County, California
ZIP code 91977 is located in Spring Valley, California, within San Diego County. It covers approximately 9.92 square miles and serves a population of 65,497 residents. This is a standard ZIP code in the Pacific (PT) timezone, served by area code 619.
About ZIP code 91977
The housing stock consists of a mix of housing types. Most homes were built in the 1970s, giving the area an established character. Median home value is $589,400. Owner-occupancy sits near the national average at 63%.
Median household income is $86,189. 31% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.
65,497
population
9.92
sq mi land
Standard
ZIP type
Pacific (PT)
timezone
91977 ZIP code map
Cities in ZIP code 91977
Below are the cities the US Postal Service accepts for ZIP code 91977. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Spring Valley | Preferred |
Nearby ZIP codes
91941 La Mesa (2.5 mi)
91945 Lemon Grove (2.6 mi)
91902 Bonita (3.4 mi)
91978 Spring Valley (3.5 mi)
92114 San Diego (3.5 mi)
91942 La Mesa (4.3 mi)
92139 San Diego (4.4 mi)
91914 Chula Vista (4.9 mi)
92020 El Cajon (5 mi)
92115 San Diego (5 mi)
92105 San Diego (5.6 mi)
92182 San Diego (5.8 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 65,497 |
| Population density | 6,603 / sq mi |
| State FIPS | 06 |
| County FIPS | 073 |
| Geography | |
|---|---|
| Land area | 9.92 sq mi |
| Water area | 0.52 sq mi |
| Latitude | 32.7246 |
| Longitude | -116.9936 |
| Timezone | Pacific (PT) |
| Area code | 619 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 33.8% | 30.1% | 32.6% |
| $50k – $100k | 31.8% | 28.5% | 27.7% |
| $100k – $200k | 28.0% | 28.6% | 26.4% |
| Over $200k | 6.4% | 12.9% | 13.3% |
Demographics & statistics
65,497
Population
6,603
People per sq mi
35.0
Median age
$86,189
Median household income
$34,807
Per capita income
$589,400
Median home value
$1,813
Median monthly rent
62.5%
Home ownership
10.7%
Poverty rate
8.3%
Unemployment
12,929
Housing units
25.0%
Bachelor's or higher
Age distribution
Male
Female
2,171
Under 5
2,144
2,105
5–9
2,077
2,487
10–14
2,456
2,272
15–19
2,242
2,205
20–24
2,176
5,222
25–34
5,155
4,801
35–44
4,739
3,895
45–54
3,845
1,883
55–59
1,859
1,628
60–64
1,608
2,679
65–74
2,644
1,097
75–84
1,083
515
85+
509
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 16,264 | 24.8% |
| 18 and over | 49,233 | 75.2% |
| 65 and over | 8,527 | 13.0% |
| Median age | 35.0 years | |
Race & ethnicity
White
36.4%
Hispanic or Latino
21.1%
Other race
13.4%
Two or more races
12.1%
Black or African American
10.3%
Asian
5.5%
American Indian / Alaska Native
1%
Native Hawaiian / Pacific Islander
0.3%
| Group | Count | % |
|---|---|---|
| White | 30,187 | 36.4% |
| Hispanic or Latino | 17,546 | 21.1% |
| Other race | 11,117 | 13.4% |
| Two or more races | 10,041 | 12.1% |
| Black or African American | 8,535 | 10.3% |
| Asian | 4,544 | 5.5% |
| American Indian / Alaska Native | 799 | 1% |
| Native Hawaiian / Pacific Islander | 274 | 0.3% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 33.8% | 30.1% | 32.6% |
| $50k – $100k | 31.8% | 28.5% | 27.7% |
| $100k – $200k | 28.0% | 28.6% | 26.4% |
| Over $200k | 6.4% | 12.9% | 13.3% |
Under $10k
2.7%
$10k–$15k
2.4%
$15k–$25k
3.4%
$25k–$35k
4.3%
$35k–$50k
10.8%
$50k–$75k
18.1%
$75k–$100k
15.3%
$100k–$150k
20.4%
$150k–$200k
11.2%
$200k+
11.3%
| Range | % of households |
|---|---|
| Under $10k | 2.7% |
| $10k–$15k | 2.4% |
| $15k–$25k | 3.4% |
| $25k–$35k | 4.3% |
| $35k–$50k | 10.8% |
| $50k–$75k | 18.1% |
| $75k–$100k | 15.3% |
| $100k–$150k | 20.4% |
| $150k–$200k | 11.2% |
| $200k+ | 11.3% |
| Median income | $86,189 |
Housing
Home values
Under $50k
1.8%
$50k–$100k
2.1%
$100k–$150k
2.4%
$150k–$200k
0.8%
$200k–$300k
2.1%
$300k–$500k
21.2%
$500k–$1M
67.8%
$1M+
1.9%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $589,400 |
| Median rent / month | $1,813 |
| Owner occupied | 62.5% |
| Renter occupied | 37.5% |
| Vacant | 3.2% |
| Single-family detached | 62.5% |
| Large apartment buildings | 9.9% |
| Mobile homes | 4.5% |
| Median rooms | 5.3 |
| Avg household size (owned) | 3.29 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.3% |
| 2010–2019 | 0.5% |
| 2000–2009 | 6.8% |
| 1990–1999 | 10.6% |
| 1980–1989 | 17.7% |
| 1970–1979 | 25.4% |
| 1960–1969 | 19.3% |
| 1950–1959 | 14.0% |
| 1940–1949 | 3.5% |
| 1939 or earlier | 1.8% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.2% |
| 1 bedroom | 7.9% |
| 2 bedrooms | 25.6% |
| 3 bedrooms | 43.5% |
| 4 bedrooms | 18.7% |
| 5+ bedrooms | 3.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 6.3% |
| 1 vehicle | 22.6% |
| 2 vehicles | 35.8% |
| 3 or more | 35.3% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 60.2% |
| Electricity | 31.4% |
| Propane / LP gas | 2.6% |
| Wood | 0.9% |
| Solar | 2.1% |
| No fuel used | 2.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 9,990 | 50.8% |
| Cohabiting couple | 1,536 | 7.8% |
| Male householder, no spouse | 3,341 | 17.0% |
| Female householder, no spouse | 4,780 | 24.3% |
| Households with children under 18 | 7,606 | 38.7% |
| Households with seniors (65+) | 6,005 | 30.6% |
| Average household size | 3.30 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 40.5% | 35.8% |
| Married | 46.4% | 41.7% |
| Separated | 2.1% | 2.7% |
| Widowed | 2.3% | 7.7% |
| Divorced | 8.6% | 12.1% |
Education
Less than 9th grade
5.5%
Some HS, no diploma
7.1%
HS graduate
24.2%
Some college, no degree
27.6%
Associate's degree
10.5%
Bachelor's degree
17.0%
Graduate / professional
8.0%
| Metric | % |
|---|---|
| HS diploma or higher | 87.4% |
| Bachelor's or higher | 25.0% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 637 | 3.5% |
| Kindergarten | 773 | 4.3% |
| Elementary school | 7,542 | 41.9% |
| High school | 4,080 | 22.7% |
| College / grad school | 4,957 | 27.6% |
Employment
Industry of employment
Education & healthcare
21.5%
Retail trade
12.1%
Professional & management
11.9%
Construction
9.2%
Arts, food & hospitality
8.4%
Transportation & utilities
7.3%
Manufacturing
7.2%
Public administration
6.6%
Finance & real estate
5.7%
Other services
5.6%
Wholesale trade
2.6%
Information
1.4%
Agriculture & mining
0.6%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 32.0% |
| Service | 18.7% |
| Sales & office | 23.6% |
| Natural resources & construction | 11.3% |
| Production & transportation | 14.4% |
Employment type
| Type | % |
|---|---|
| Private sector | 76.1% |
| Government | 18.2% |
| Self-employed | 5.5% |
| Unpaid family workers | 0.2% |
Commute
| Method | % |
|---|---|
| Drive alone | 76.4% |
| Carpool | 10.9% |
| Public transit | 1.4% |
| Walk | 0.6% |
| Work from home | 8.6% |
| Other means | 2.2% |
| Avg commute (minutes) | 28.3 |
Poverty
All people
10.7%
Under 18 years
13.5%
18 and over
9.8%
Married-couple families
3.5%
Female-led households
13.4%
Income support
| Source | % of households |
|---|---|
| Social Security | 30.7% |
| Retirement income | 25.7% |
| Supplemental Security | 7.1% |
| Cash public assistance | 3.8% |
| Food stamps / SNAP | 14.9% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.2% |
| High blood pressure | 29.0% |
| High cholesterol | 28.5% |
| Diabetes | 9.9% |
| Heart disease | 5.1% |
| Stroke | 2.7% |
| Asthma | 9.7% |
| Arthritis | 19.9% |
| Kidney disease | 2.7% |
| Pulmonary disease | 5.6% |
| Cancer | 5.1% |
| Behavior / access | % |
|---|---|
| Smoking | 12.6% |
| Binge drinking | 18.3% |
| No physical activity | 23.0% |
| Less than 7 hrs sleep | 35.7% |
| Depression | 17.6% |
| Fair or poor health | 15.9% |
| Poor mental health | 15.2% |
| Poor physical health | 10.4% |
| No health insurance | 14.5% |
| Visited doctor (checkup) | 69.4% |
| Visited dentist | 62.6% |
| Cholesterol screening | 89.8% |
| Teeth loss | 11.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 4,280 | 8.9% |
| Disability | % |
|---|---|
| Any disability | 11.8% |
| Under 18 | 3.7% |
| 18–64 years | 10.7% |
| 65 and over | 32.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 63.2% |
| Public insurance | 39.4% |
| No insurance | 9.0% |
| Uninsured under 19 | 6.5% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 61,182 | 93.4% |
| Spanish | 7,811 | 12.8% |
| Other Indo-European | 5,557 | 9.1% |
| Asian & Pacific Islander | 245 | 0.4% |
| Other languages | 1,387 | 2.3% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 52,710 | 80.5% |
| Born in same state | 51,020 | 77.9% |
| Born in different state | 38,069 | 58.1% |
| Foreign born | 1,690 | 2.6% |
| Naturalized citizen | 12,787 | 19.5% |
| Not a US citizen | 8,156 | 63.8% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 4,093 | 6.2% |
| French | 3,135 | 4.8% |
| Arab | 1,438 | 2.2% |
| Polish | 860 | 1.3% |
| English | 397 | 0.6% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 163 | 0.2% |
| German | 154 | 0.2% |
| Dutch | 80 | 0.1% |
| Norwegian | 27 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 30.0% |
| Internet access | 96.4% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 91977
What part of Spring Valley is ZIP code 91977?
ZIP code 91977 covers a portion of Spring Valley, California, within San Diego County.
What county is ZIP code 91977 in?
ZIP code 91977 falls within San Diego County, California.
What is the typical home value in ZIP code 91977?
The median home value in ZIP code 91977 is $589,400.
What is the population of ZIP code 91977?
ZIP code 91977 has an estimated population of 65,497 residents, with a density of 6,604 people per square mile.
What is the median household income in ZIP code 91977?
The median household income in ZIP code 91977 is $86,189, above the national median of ~$75,000.
What timezone is ZIP code 91977 in?
ZIP code 91977 observes the PST timezone.