Zip Code 78121 — La Vernia, TX

ZIP Code 78121 is associated with La Vernia, TX, in Wilson County. The listed population estimate is 16,120; estimated density is 60.7 people per square mile. Among records with population estimates, it ranks #2 of 6 in Wilson County and #662 of 1,924 in TX.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (29.351180, -98.102410)

Data MetricLocal Statistic
Postal / Zip Code78121
Primary CityLa Vernia
State / ProvinceTX
CountyWilson
Total Population16,120
Population Density60.7 people/sq mi
TimezoneAmerica/Chicago

How 78121 Compares

MetricZIP 78121Wilson County recordsTX records
Population estimate16,12050,425 (sum)30,188,035 (sum)
Population Density60.7 /sq mi----
County population rank#2 of 6----
State population rank#662 of 1,924----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in TX

ZIP CodeCityDistancePopulation estimate
ZIP 78161Sutherland Springs5.4 mi579
ZIP 78101Adkins7.9 mi7,267
ZIP 78152Saint Hedwig8.1 mi4,521
ZIP 78263San Antonio12.6 mi4,253
ZIP 78160Stockdale12.9 mi4,885

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →