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US ZIP Code Profile

ZIP Code 78056
Mico, Texas

ZIP code 78056 is in Mico, located in Medina County, Texas, within the San Antonio-New Braunfels metro area. Its 2020 Census population was 2,116. The estimated median adjusted gross income per tax return is $87,500, and about 16% of filers report $200,000 or more.

2020 Population
2,116
Census ZCTA
County
Medina
FIPS 48325
Median income (est.)
$87,500
IRS SOI 2022
Land Area
100.81 mi²
+ 3.381 mi² water

01Location & Geography

Authoritative geographic identifiers from the U.S. Census Bureau, ANSI, and FIPS standards.

Primary CityMico, TX
CountyMedina County (FIPS 48325)
StateTexas (FIPS 48)
Metro Area (MSA)San Antonio-New Braunfels, TX Metro Area (41700)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.537033, -98.933945
Land / Water Area100.81 mi² land · 3.381 mi² water

02Income & Economics

Distribution of the 1,250 individual tax returns filed in 78056 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.0%
$25K–$50K
13.6%
$50K–$75K
11.2%
$75K–$100K
10.4%
$100K–$200K
28.8%
$200K+
16.0%
The $200,000+ bracket accounts for 45% of 78056's total adjusted gross income, from 16% of returns — a concentration that drives the gap between the median ($87,500) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income.

03Income Over Time

Year-over-year change in 78056's IRS income metrics, 2020–2022.

Median income (2021→2022)
$87,500
▼ 1.1%
Filers earning $200K+
16.0%
▲ 1.8 pt
Total filers
1,250
▲ 4.2%
GET /zipc/v2/zipcodes/78056/soi?year=… $84K 2020 $88K 2021 $88K 2022
Median = adjusted gross income per return, interpolated from IRS SOI brackets. Figures are nominal (not inflation-adjusted).

04Population Trend

Decennial U.S. Census population for the 78056 ZCTA.

2000
852
 
2010
1,917
▲ +125.0%
2020
2,116
▲ +10.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypeNon-Postal Community Name, former postal facility or place name
Carrier Route SortD
USPS Finance Number481515
City AliasesCastroville, Mico

06Frequently Asked Questions

What county is ZIP code 78056 in?

ZIP code 78056 is in Medina County, Texas (county FIPS code 48325).

What city is ZIP code 78056?

The primary USPS city for 78056 is Mico, TX.

What metro area (MSA) is 78056 in?

78056 is part of the San Antonio-New Braunfels, TX Metro Area (MSA code 41700).

What is the population of ZIP code 78056?

The 2020 Census population of 78056 was 2,116 residents.

What is the median income in ZIP code 78056?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78056 is about $87,500, with around 16% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.