ZIP code 78121
Where is ZIP code 78121?
La Vernia, Texas
Wilson County · Standard ZIP code
ZIP code 78121 belongs to La Vernia, Texas in Wilson County. 78121 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area codes 210, 726 and 830. About 16,120 people live in the 78121 area, where the median household income is $120,048. The closest ZIP codes are 78161 (Sutherland Springs, 5.7 mi southeast), 78152 (Saint Hedwig, 7.6 mi northwest) and 78101 (Adkins, 9.4 mi west).
| ZIP code | 78121 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | La Vernia |
| Also accepted | Lavernia |
| State | Texas (TX) |
| County | Wilson County |
| Time zone | Central Time · now |
| Area codes | 210, 726, 830 |
| Coordinates | 29.3509, -98.113 map |
| 3-digit prefix | 781 |
Population and income in 78121
| Population | 16,120 · higher than 66% of Texas ZIP codes |
|---|---|
| People per square mile | 157 · higher than 56% of Texas ZIP codes |
| Median age | 38.2 years · lower than 51% of Texas ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $120,048 · higher than 93% of Texas ZIP codes |
| Income per person | $46,254 |
| Below the poverty line | 8.0% |
| Bachelor’s degree or higher | 32% of adults 25+ |
| Median home value | $402,600 · higher than 88% of Texas ZIP codes |
| Median rent | $1,192 a month |
| Housing units | 5,426 |
| Households | 5,274 (3.04 people on average) |
| Owners / renters | 87% / 13% |
| Land area | 102.62 sq mi (plus 0.32 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78121. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78121
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78161 | Sutherland Springs, TX | 5.7 mi SE | Standard |
| 78152 | Saint Hedwig, TX | 7.6 mi NW | Standard |
| 78101 | Adkins, TX | 9.4 mi W | Standard |
| 78263 | San Antonio, TX | 12.3 mi W | Standard |
| 78114 | Floresville, TX | 13.5 mi S | Standard |
| 78160 | Stockdale, TX | 13.5 mi SE | Standard |
| 78115 | Geronimo, TX | 14.1 mi N | PO Box only |
| 78124 | Marion, TX | 15.2 mi N | Standard |
| 78219 | San Antonio, TX | 15.5 mi NW | Standard |
| 78150 | Jbsa Randolph, TX | 15.5 mi NW | Standard |
| 78244 | San Antonio, TX | 16.7 mi NW | Standard |
| 78108 | Cibolo, TX | 17 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78121 or measure the distance to another ZIP code.
How to address mail to 78121
123 MAIN ST
LA VERNIA TX 78121
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts LAVERNIA as the city name for 78121. Adding the 4-digit ZIP+4 code (78121-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78121?
- 78121 is a La Vernia, Texas ZIP code. Lavernia is also accepted as the city name.
- What county is 78121 in?
- ZIP code 78121 is in Wilson County, Texas.
- What time zone is ZIP code 78121 in?
- 78121 is in the Central Time zone (America/Chicago).
- What area code is 78121?
- Phone numbers in ZIP code 78121 use area codes 210, 726 and 830.
- What is the population of ZIP code 78121?
- About 16,120 people live in ZIP code 78121, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78121?
- The median household income in 78121 is $120,048 a year, higher than 93% of Texas ZIP codes.
- What ZIP codes are near 78121?
- The nearest ZIP codes to 78121 are 78161 (Sutherland Springs, 5.7 miles), 78152 (Saint Hedwig, 7.6 miles), 78101 (Adkins, 9.4 miles) and 78263 (San Antonio, 12.3 miles).