91978

Zip code 91978: Spring Valley, California

Q: What city is zip code 91978?

91978 is assigned to Spring Valley, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 91978 in?

91978 is in San Diego County, California.

Q: What is the population of 91978?

About 10,014 people live in 91978, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 91978?

The median household income in 91978 is $113,170.

Q: What zip codes are near 91978?

The closest zip codes to 91978 are 91914, 91977, 91902, 91976, 91979.

Residential delivery areaSan Diego CountyPacific Time

Population

10,014

Median household income

$113K

U.S. $81K

Median home value

$637K

U.S. $333K

Median rent

$2,327/mo

U.S. $1,413

Median age

42.5

U.S. 38.9

Land area

12 sq mi

839 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 91978

91978 is a suburban zip code in Spring Valley, California (San Diego County), covering 12 sq mi of land. About 10,014 people live here, or 839 per square mile. The median resident is 42.5 years old, compared with 38.9 nationally.

The median household earns $113,170 a year, 40% above the national median of $80,734. 10.2% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $637,200, or 5.6 years of median household income (U.S.: 4.1 years), which makes homes relatively expensive for local earners. 68% of occupied homes are lived in by their owners, and renters pay a median of $2,327 a month.

31% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 26.7 minutes each way, and 11% of workers work from home. The most common jobs among working residents are in office and administrative support; sales; and construction and repair. 44% of households speak a language other than English at home, most often Spanish.

How 91978 compares

Sorted from highest to lowest national percentile

Median gross rent$2,327
93rd
U.S. $1,413 · CA $2,036411th of 1,464 in CA
Unemployment rate9.3%
92nd
WeaknessU.S. 5.2% · CA 6.6%332nd of 1,681 in CA
Diversity index69.2
92nd
U.S. 61.4 · CA 69.7195th of 1,688 in CA
Median home value$637,200
84th
U.S. $332,700 · CA $734,700829th of 1,586 in CA
Median household income$113,170
81st
StrengthU.S. $80,734 · CA $99,122511th of 1,575 in CA
Foreign-born residents24.8%
81st
U.S. 14.1% · CA 27%618th of 1,688 in CA
Veterans8.3%
80th
U.S. 6.2% · CA 4.3%299th of 1,686 in CA
Government workers18.7%
80th
U.S. 14.5% · CA 14.8%503rd of 1,678 in CA
Median age42.5
74th
U.S. 38.9 · CA 37.9642nd of 1,687 in CA
Residents 65 and older18.5%
64th
U.S. 17.2% · CA 15.7%716th of 1,688 in CA
Per capita income$44,103
61st
U.S. $44,673 · CA $49,513826th of 1,685 in CA
Uninsured rate7.5%
55th
U.S. 8.4% · CA 6.6%529th of 1,675 in CA
Average commute26.7 min
54th
U.S. 26.4 min · CA 28.7 min919th of 1,584 in CA
Median earnings per worker$49,284
53rd
U.S. $49,666 · CA $52,643894th of 1,658 in CA
Broadband access92.2%
50th
U.S. 91% · CA 93.5%1,005th of 1,662 in CA
Bachelor's degree or higher31.3%
49th
U.S. 35.7% · CA 37.1%848th of 1,687 in CA
Homeownership rate67.9%
48th
U.S. 65.2% · CA 55.9%694th of 1,662 in CA
Poverty rate10.2%
46th
U.S. 12.5% · CA 12%884th of 1,666 in CA
Tech workers2.6%
45th
U.S. 3.8% · CA 4.4%780th of 1,678 in CA
Rent-burdened renters49.2%
44th
U.S. 51.1% · CA 55.3%1,096th of 1,610 in CA
Work from home11.3%
42nd
U.S. 15.1% · CA 17.2%1,082nd of 1,680 in CA
Population density839/sq mi
41st
U.S. 95/sq mi · CA 252/sq mi874th of 1,688 in CA
Residents under 1820.3%
34th
U.S. 22% · CA 22%901st of 1,688 in CA
Self-employed workers7.3%
23rd
U.S. 10% · CA 11.4%1,367th of 1,678 in CA
Healthcare workers7.3%
19th
U.S. 9.7% · CA 9.4%1,174th of 1,678 in CA
Population10,014
16th
U.S. 334,922,499 · CA 39,287,3771,006th of 1,688 in CA
Income inequality (Gini)0.390
14th
StrengthU.S. 0.483 · CA 0.4891,367th of 1,651 in CA
Housing vacancy2.3%
5th
U.S. 10.1% · CA 7.5%1,539th of 1,664 in CA

Measure	91978	San Diego	CA	U.S.	National percentile	Rank in CA
Median gross rent	$2,327	$2,246	$2,036	$1,413	93rd	411th of 1,464
Unemployment rateWeakness	9.3%	6.1%	6.6%	5.2%	92nd	332nd of 1,681
Diversity index	69.2	68.1	69.7	61.4	92nd	195th of 1,688
Median home value	$637,200	$854,700	$734,700	$332,700	84th	829th of 1,586
Median household incomeStrength	$113,170	$106,268	$99,122	$80,734	81st	511th of 1,575
Foreign-born residents	24.8%	22.8%	27%	14.1%	81st	618th of 1,688
Veterans	8.3%	7.3%	4.3%	6.2%	80th	299th of 1,686
Government workers	18.7%	14.7%	14.8%	14.5%	80th	503rd of 1,678
Median age	42.5	37.3	37.9	38.9	74th	642nd of 1,687
Residents 65 and older	18.5%	15.4%	15.7%	17.2%	64th	716th of 1,688
Per capita income	$44,103	$51,976	$49,513	$44,673	61st	826th of 1,685
Uninsured rate	7.5%	6.4%	6.6%	8.4%	55th	529th of 1,675
Average commute	26.7 min	25.5 min	28.7 min	26.4 min	54th	919th of 1,584
Median earnings per worker	$49,284	$56,349	$52,643	$49,666	53rd	894th of 1,658
Broadband access	92.2%	94.9%	93.5%	91%	50th	1,005th of 1,662
Bachelor's degree or higher	31.3%	43.2%	37.1%	35.7%	49th	848th of 1,687
Homeownership rate	67.9%	54.6%	55.9%	65.2%	48th	694th of 1,662
Poverty rate	10.2%	10.3%	12%	12.5%	46th	884th of 1,666
Tech workers	2.6%	5.1%	4.4%	3.8%	45th	780th of 1,678
Rent-burdened renters	49.2%	57.8%	55.3%	51.1%	44th	1,096th of 1,610
Work from home	11.3%	18.7%	17.2%	15.1%	42nd	1,082nd of 1,680
Population density	839/sq mi	781/sq mi	252/sq mi	95/sq mi	41st	874th of 1,688
Residents under 18	20.3%	20.9%	22%	22%	34th	901st of 1,688
Self-employed workers	7.3%	11.2%	11.4%	10%	23rd	1,367th of 1,678
Healthcare workers	7.3%	9.5%	9.4%	9.7%	19th	1,174th of 1,678
Population	10,014	3,288,774	39,287,377	334,922,499	16th	1,006th of 1,688
Income inequality (Gini)Strength	0.390	0.458	0.489	0.483	14th	1,367th of 1,651
Housing vacancy	2.3%	6.3%	7.5%	10.1%	5th	1,539th of 1,664

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

16%

5–17

18–24

13%

25–34

14%

35–44

15%

45–54

12%

55–64

10%

65–74

75+

Median age

42.5

Under 18

20.3%

65 and over

18.5%

Race and ethnicity

White42%
Black10%
Hispanic34%
Asian7%
Native American0%
Pacific Islander0.2%
Other0.9%
Multiracial7%

Diversity index

69.2

U.S. 61.4

Foreign-born

24.8%

U.S. 14.1%

Born in state

49.8%

Language spoken at home (households)

English only

56%

Spanish

29%

Other Indo-European

Asian / Pacific

Other

Households

Households: 3,236
Average household size: 3.1
Family households: 78.4%
Married couples: 59.5%
Living alone: 15.2%
Veterans (of adults): 8.3%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

10%

$50–75k

12%

$75–100k

11%

$100–150k

25%

$150–200k

14%

$200k+

18%

Median household income

91978

$113,170

San Diego Co.

$106,268

California

$99,122

United States

$80,734

Per capita income

$44,103

U.S. $44,673

Poverty rate

10.2%

U.S. 12.5%

Households earning $150K+

31.9%

U.S. 23%

Income inequality (Gini)

0.390

U.S. 0.483

Housing

Median home value

91978

$637,200

San Diego Co.

$854,700

California

$734,700

United States

$332,700

Median gross rent

91978

$2,327

San Diego Co.

$2,246

California

$2,036

United States

$1,413

Types of housing

Single-family

55%

2–4 units

5–19 units

15%

20+ units

Mobile home

20%

Boat, RV, van

Housing units: 3,311
Owner-occupied: 67.9%
Vacant: 2.3%
Median year built: 1978
Median rooms: 5.7
Renters paying 30%+ of income: 49.2%
Renters paying 50%+ of income: 16.3%
Home value to income: 5.6× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

80%

Carpooled

Transit

0.7%

Walked

0.2%

Bicycle

0.2%

Worked from home

11%

Other

Commute time (one way)

<10 min

10–19

22%

20–29

29%

30–44

29%

45–59

60+

Average commute

26.7 min

U.S. 26.4 min

Unemployment

9.3%

U.S. 5.2%

In labor force

66%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Office and admin

17%

Sales

15%

Construction and repair

11%

Management

10%

Healthcare

Food service

Transportation and moving

Cleaning and personal care

Production

Education

Business and finance

Police and fire

Engineering and science

Computer and math

Legal and social services

Arts, media and sports

Farming, fishing and forestry

0.2%

Industries

Retail

17%

Health care and social assistance

12%

Construction

12%

Education

Restaurants and hotels

Transportation, warehousing and utilities

Professional and technical services

Public administration

Manufacturing

Other services

Finance, insurance and real estate

Admin, support and management

Wholesale

Arts and recreation

Information

Agriculture and mining

0.2%

Median earnings per worker

$49,284

U.S. $49,666

Self-employed

7.3%

U.S. 10%

Government workers

18.7%

U.S. 14.5%

Nonprofit workers

7.6%

U.S. 8.8%

Median earnings by type of work

Type of work	91978	U.S.
Management, business, science and arts	$84,805	$74,888
Service	$26,357	$26,804
Sales and office	$47,092	$40,476
Construction and maintenance	$47,748	$49,199
Production and transportation	$34,312	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

12%

High school

22%

Some college

23%

Associate's

12%

Bachelor's

20%

Graduate

12%

High school graduate or higher: 87.9%
Bachelor's degree or higher: 31.3%
Graduate or professional degree: 11.6%
Households with broadband: 92.2%
Cable, fiber or DSL: 84.2%
No internet access: 6.4%
Without health insurance: 7.5%
Limited-English households: 7.3%

Geography

City (USPS): Spring Valley
State: California
County: San Diego County
Center point: 32.6989° N, 116.9310° W
Land area: 12 sq mi
Water area: under 0.1 sq mi
Time zone: Pacific Time (UTC-8, UTC-7 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Spring Valley (unincorporated)31% of zip
Jamul (unincorporated)11% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 91978

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
91914	Chula Vista, CA	2.6 mi	16,877	$190,786	$1,049,600
91977	Spring Valley, CA	4.1 mi	61,064	$99,657	$665,600
91902	Bonita, CA	4.7 mi	17,698	$122,524	$984,900
91976	Spring Valley, CA · PO box	5.1 mi	—	—	—
91979	Spring Valley, CA · PO box	5.1 mi	—	—	—
91915	Chula Vista, CA	5.3 mi	35,322	$139,503	$781,500
91941	La Mesa, CA	5.7 mi	33,218	$115,381	$928,700
91913	Chula Vista, CA	6.2 mi	57,721	$129,337	$812,200
91908	Bonita, CA · PO box	6.4 mi	—	—	—
91945	Lemon Grove, CA	6.4 mi	27,745	$88,016	$704,900
92019	El Cajon, CA	6.5 mi	45,351	$101,973	$801,400
91946	Lemon Grove, CA · PO box	6.6 mi	—	—	—

Zip codes like 91978 elsewhere

Matched on income, home values, age, density, education, housing and commuting

Questions about 91978

What city is zip code 91978?

91978 is assigned to Spring Valley, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 91978 in?

91978 is in San Diego County, California.

What is the population of 91978?

About 10,014 people live in 91978, according to the Census Bureau's American Community Survey.

What time zone is 91978 in?

91978 is in Pacific Time.

What is the median household income in 91978?

The median household income in 91978 is $113,170.

What zip codes are near 91978?

The closest zip codes to 91978 are 91914, 91977, 91902, 91976, 91979.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 91978, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.