ZIP 92078 · San Marcos, California
2026 Edition · 8 cards · data as of Oct 30, 2026
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Population
53,605 people call ZIP 92078 home.
53,605
people.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year
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Rent
Median rent is up 78% since the 2010–2014 survey, before inflation.
$2,567
a month. California's median is $2,036.
Census ACS 5-year, 2020-2024 (latest), with earlier 5-year windows. Sources: Census ACS 5-year
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Room to build
The median rent is above what local wages can carry.
$1,141–$1,712
is the monthly rent range local workforce wages support.
- $2,567 median
Supportable rent computed by the Almanac from 2023 source wage data. Median rent: Census ACS 5-year, 2020-2024. Sources: Computed by the Almanac, Census ACS 5-year
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Building
51% of the housing here was built before 2000.
- 51% of all homes were built before 2000
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year
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Units needed
Closing the gap would add 0.3–1.0% to the 19,339 homes here.
62–188
is the estimated number of missing housing units, from the lowest to the highest of three estimates.
Range computed by the Almanac from 2023 jobs and household data, using three demand models: 1% of jobs located here, 1% of renter households, and a rate by town size applied to renters. The low end is the lowest of the three and the high end the highest. It is an estimate, not a count. Sources: Computed by the Almanac
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Home value
A median home costs 28% more than California's.
$942,300
median home value in ZIP 92078.
- $942,300 ZIP 92078
- $734,700 California
- $332,700 U.S.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year