U.S. ZIP Code tools

92078 · Population & demographics · San Marcos CA

ZIP Code
92078

San Marcos, CA

City / locality
San Marcos
State
California
ZIP Code type
Type not provided
Latitude
33.1193
Longitude
-117.185
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

53,605People · Margin of error ±1,900

Median age

38.8Years · Margin of error ±1.3

Median household income

120,268USD · Margin of error ±9,449

Median home value

942,300USD · Margin of error ±40,160

Total households

18,522Households · Margin of error ±642

Housing units

19,339Count · Margin of error ±669

Owner-occupied housing units

13,332Count · Margin of error ±697

Renter-occupied housing units

5,190Count · Margin of error ±528

Median monthly gross rent

2,567USD · Margin of error ±149

Household income distribution

USD · Households

$0–$9,999826±240
$10,000–$14,999236±121
$15,000–$19,999465±172
$20,000–$24,999370±175
$25,000–$29,999500±167
$30,000–$34,999205±121
$35,000–$39,999270±119
$40,000–$44,999361±154
$45,000–$49,999608±218
$50,000–$59,999922±279
$60,000–$74,9991,179±293
$75,000–$99,9991,636±285
$100,000–$124,9991,951±349
$125,000–$149,9991,619±365
$150,000–$199,9991,968±510
≥ $200,0005,406±633

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