US ZIP Code Map
Loading ZIP borders…

Layers

ZIP code

91978

Spring Valley, CA

STANDARD

91978 covers Spring Valley in San Diego County, with 10,511 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

10,511

Median household income

$111,506

Median home value

$597,300

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 91978. Methodology

ZIP code map of 91978

Census ZCTA boundary for ZIP 91978 in Spring Valley, California
Census ZCTA boundary for ZIP 91978 in Spring Valley, California. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
Download PNG

About ZIP code 91978

Type

STANDARD

City

Spring Valley

County

San Diego County

Timezone

America/Los_Angeles

Area codes

619, 858

Land area

11.9 sq mi

Water area

0.03 sq mi

Households

3,340

Median gross rent

$2,226

More enterprise fields

Timezone
America/Los_Angeles
Area Codes
619, 858
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 91978. Not ACS. Methodology

People in 91978

Race

  • White4,607
  • Black or African American992
  • American Indian or Alaska Native105
  • Asian568
  • Native Hawaiian and Pacific Islander71
  • Other race1,937
  • Two or more races1,669

Hispanic or Latino (any race): 3,784

Age

  • Under 101,232
  • 10 to 191,392
  • 20 to 291,414
  • 30 to 391,333
  • 40 to 491,176
  • 50 to 591,273
  • 60 to 691,175
  • 70 to 79665
  • 80 and older289

Income and housing in 91978

Poverty rate

13.4%

Median earnings

$47,848

Median household income

$111,506

Median home value

$597,300

Median gross rent

$2,226

Education

  • High school graduate89.1%
  • Bachelor's degree30.6%
  • Graduate degree10.8%

Places covering 91978

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

0.2% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 91978

IRS populationACS population
11,8865,943020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
20058,197
20067,965
20078,673
20088,290
20098,235
20108,699
20118,8718,964
20129,0039,250
20139,2769,350
20149,8129,310
20159,7939,360
20169,8049,450
20179,8299,500
201810,5189,500
201910,5069,660
202010,9499,950
202110,9799,720
202211,0069,660
202310,511

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 91978

12 nearest ZIP centroids (any distance)

  1. 91914Chula Vista2.6 miPop 17,036 · Income $164,398
  2. 91977Spring Valley4.1 miPop 62,957 · Income $92,407
  3. 91902Bonita4.7 miPop 17,445 · Income $121,727
  4. 91915Chula Vista5.3 miPop 35,385 · Income $138,283
  5. 91941La Mesa5.7 miPop 33,706 · Income $111,607
  6. 91913Chula Vista6.2 miPop 57,067 · Income $129,412
  7. 91945Lemon Grove6.4 miPop 27,531 · Income $79,381
  8. 92019El Cajon6.5 miPop 45,801 · Income $99,266
  9. 92139San Diego7.0 miPop 34,780 · Income $92,381
  10. 92020El Cajon7.1 miPop 58,490 · Income $72,822
  11. 92114San Diego7.3 miPop 64,820 · Income $90,171
  12. 91942La Mesa7.5 miPop 40,920 · Income $81,262

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 91978, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.

91978 Spring Valley, CA

Looking up ZIP codes within 2 miles of 91978 Spring Valley, CA, measured by centroid distance.

Selected —

ACS population

—

Households

—

Avg median income

—

Avg median home

—

Selected ZIP codes

One ZIP code per line. Leading zeros preserved.

ZIP code 91978 FAQ

What city is ZIP code 91978 in?
91978 is in Spring Valley, CA.
What county is 91978 in?
91978 is in San Diego County.
What is the median household income in 91978?
The median household income in 91978 is $111,506.
Which ZIP codes are near 91978?
Use the radius tool on this page to list ZIP codes within a chosen distance of 91978.