ZIP code 78056
Where is ZIP code 78056?
Mico, Texas
Medina County · Standard ZIP code
ZIP code 78056 belongs to Mico, Texas in Medina County. 78056 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 2,526 people live in the 78056 area, where the median household income is $119,946. The closest ZIP codes are 78066 (Rio Medina, 5.4 mi southeast), 78063 (Pipe Creek, 9.5 mi north) and 78254 (San Antonio, 10.8 mi east).
| ZIP code | 78056 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Mico |
| Also accepted | Castroville |
| State | Texas (TX) |
| County | Medina County |
| Time zone | Central Time · now |
| Area codes | 210, 726, 830 |
| Coordinates | 29.5441, -98.9231 map |
| 3-digit prefix | 780 |
Population and income in 78056
| Population | 2,526 · lower than 63% of Texas ZIP codes |
|---|---|
| People per square mile | 24 · lower than 67% of Texas ZIP codes |
| Median age | 49.9 years · higher than 87% of Texas ZIP codes |
| Men / women | 53% / 47% |
| Median household income | $119,946 · higher than 92% of Texas ZIP codes |
| Income per person | $54,067 |
| Below the poverty line | 0.4% |
| Bachelor’s degree or higher | 36% of adults 25+ |
| Median home value | $553,500 · higher than 95% of Texas ZIP codes |
| Housing units | 1,048 |
| Households | 941 (2.68 people on average) |
| Owners / renters | 95% / 5.4% |
| Land area | 103.2 sq mi (plus 4.43 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 78056. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 78056
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 78066 | Rio Medina, TX | 5.4 mi SE | Standard |
| 78063 | Pipe Creek, TX | 9.5 mi N | Standard |
| 78254 | San Antonio, TX | 10.8 mi E | Standard |
| 78023 | Helotes, TX | 11.8 mi NE | Standard |
| 78253 | San Antonio, TX | 12 mi SE | Standard |
| 78009 | Castroville, TX | 13.3 mi S | Standard |
| 78003 | Bandera, TX | 14.6 mi NW | Standard |
| 78250 | San Antonio, TX | 15.5 mi E | Standard |
| 78245 | San Antonio, TX | 16.5 mi SE | Standard |
| 78255 | San Antonio, TX | 16.6 mi NE | Standard |
| 78251 | San Antonio, TX | 17.1 mi E | Standard |
| 78039 | La Coste, TX | 17.6 mi S | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 78056 or measure the distance to another ZIP code.
How to address mail to 78056
123 MAIN ST
MICO TX 78056
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts CASTROVILLE as the city name for 78056. Adding the 4-digit ZIP+4 code (78056-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 78056?
- 78056 is a Mico, Texas ZIP code. Castroville is also accepted as the city name.
- What county is 78056 in?
- ZIP code 78056 is in Medina County, Texas.
- What time zone is ZIP code 78056 in?
- 78056 is in the Central Time zone (America/Chicago).
- What area code is 78056?
- Phone numbers in ZIP code 78056 use area codes 210, 726 and 830.
- What is the population of ZIP code 78056?
- About 2,526 people live in ZIP code 78056, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 78056?
- The median household income in 78056 is $119,946 a year, higher than 92% of Texas ZIP codes.
- What ZIP codes are near 78056?
- The nearest ZIP codes to 78056 are 78066 (Rio Medina, 5.4 miles), 78063 (Pipe Creek, 9.5 miles), 78254 (San Antonio, 10.8 miles) and 78023 (Helotes, 11.8 miles).