U.S. ZIP Code tools

92121 · Population & demographics · San Diego CA

ZIP Code
92121

San Diego, CA

City / locality
San Diego
State
California
ZIP Code type
Type not provided
Latitude
32.8919
Longitude
-117.2035
Coordinate source
GeoNames Postal
Source
GeoNames Postal
Source year
Inherited source snapshot

Some U.S. place names and coordinates come from GeoNames as geographic references. They are not confirmation of the USPS preferred mailing city.

ZCTAs are Census statistical areas. Their boundaries do not represent every USPS ZIP Code or an exact postal delivery boundary.

Population & demographics

acs/acs5 · 2024

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Estimated population

3,974People · Margin of error ±488

Median age

32.7Years · Margin of error ±2.2

Median household income

135,938USD · Margin of error ±15,307

Median home value

1,085,200USD · Margin of error ±125,318

Total households

1,575Households · Margin of error ±155

Housing units

1,702Count · Margin of error ±151

Owner-occupied housing units

781Count · Margin of error ±121

Renter-occupied housing units

794Count · Margin of error ±140

Median monthly gross rent

2,606USD · Margin of error ±248

Household income distribution

USD · Households

$0–$9,99999±52
$10,000–$14,99960±47
$15,000–$19,99917±19
$20,000–$24,99912±14
$25,000–$29,99920±17
$30,000–$34,99930±20
$35,000–$39,99925±25
$40,000–$44,99950±44
$45,000–$49,99916±17
$50,000–$59,99923±22
$60,000–$74,99990±43
$75,000–$99,999139±80
$100,000–$124,999119±51
$125,000–$149,999194±59
$150,000–$199,999229±91
≥ $200,000452±101

ACS figures are five-year statistical estimates for a ZCTA. They do not describe individual addresses; consider the margin of error when comparing values.

Source

GeoNames Postal

Source year: Source vintage not supplied

GeoNames Postal

U.S. Census Bureau Gazetteer

Source year: 2026 Gazetteer

U.S. Census Bureau Gazetteer

U.S. Census Bureau ZCTA cartographic boundaries

Source year: 2020 Census ZCTA cartographic

U.S. Census Bureau ZCTA cartographic boundaries

U.S. Census Bureau ACS 5-year

Source year: 2024 ACS 5-year

U.S. Census Bureau ACS 5-year