U.S. ZIP Code tools

78218 · Population & demographics · San Antonio TX

ZIP Code
78218

San Antonio, TX

City / locality
San Antonio
State
Texas
ZIP Code type
Type not provided
Latitude
29.4969
Longitude
-98.4032
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

39,428People · Margin of error ±3,380

Median age

36.0Years · Margin of error ±2.6

Median household income

57,285USD · Margin of error ±4,363

Median home value

190,900USD · Margin of error ±11,400

Total households

15,193Households · Margin of error ±926

Housing units

16,121Count · Margin of error ±874

Owner-occupied housing units

7,319Count · Margin of error ±685

Renter-occupied housing units

7,874Count · Margin of error ±781

Median monthly gross rent

1,215USD · Margin of error ±70

Household income distribution

USD · Households

$0–$9,9991,384±541
$10,000–$14,999806±374
$15,000–$19,999478±181
$20,000–$24,999496±228
$25,000–$29,999899±310
$30,000–$34,999877±360
$35,000–$39,999631±366
$40,000–$44,999323±155
$45,000–$49,999396±187
$50,000–$59,9991,636±406
$60,000–$74,9991,838±404
$75,000–$99,9991,703±412
$100,000–$124,9991,347±392
$125,000–$149,999527±176
$150,000–$199,9991,102±394
≥ $200,000750±221

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