ZIP 78218 · San Antonio, Texas
2026 Edition · 8 cards · data as of Oct 30, 2026
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Population
39,428 people call ZIP 78218 home.
39,428
people.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year
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Rent
Median rent is up 56% since the 2010–2014 survey, before inflation.
$1,215
a month. Texas's median is $1,403.
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 sits inside what local wages can carry.
$1,089–$1,633
is the monthly rent range local workforce wages support.
- $1,215 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
72% of the housing here was built before 2000.
- 72% 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 1–2% to the 16,121 homes here.
85–262
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 33% less than Texas's.
$190,900
median home value in ZIP 78218.
- $190,900 ZIP 78218
- $283,800 Texas
- $332,700 U.S.
Census ACS 5-year, 2020-2024. Sources: Census ACS 5-year