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US ZIP Code Profile

ZIP Code 78027
Kendalia, Texas

ZIP code 78027 is in Kendalia, located in Kendall County, Texas, within the San Antonio-New Braunfels metro area. Its 2020 Census population was 478. The estimated median adjusted gross income per tax return is $70,833, and about 16% of filers report $200,000 or more.

2020 Population
478
Census ZCTA
County
Kendall
FIPS 48259
Median income (est.)
$70,833
IRS SOI 2022
Land Area
79.084 mi²
+ 0.005 mi² water

01Location & Geography

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

Primary CityKendalia, TX
CountyKendall County (FIPS 48259)
StateTexas (FIPS 48)
Metro Area (MSA)San Antonio-New Braunfels, TX Metro Area (41700)
Census Region / DivisionSouth Region · West South Central Division
Coordinates29.969074, -98.53921
Land / Water Area79.084 mi² land · 0.005 mi² water

02Income & Economics

Distribution of the 250 individual tax returns filed in 78027 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
20.0%
$25K–$50K
20.0%
$50K–$75K
12.0%
$75K–$100K
12.0%
$100K–$200K
20.0%
$200K+
16.0%
The $200,000+ bracket accounts for 69% of 78027's total adjusted gross income, from 16% of returns — a concentration that drives the gap between the median ($70,833) 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 78027's IRS income metrics, 2020–2022.

Median income (2021→2022)
$70,833
▲ 13.3%
Filers earning $200K+
16.0%
▲ 4.0 pt
Total filers
250
▲ 0.0%
GET /zipc/v2/zipcodes/78027/soi?year=… $54K 2020 $62K 2021 $71K 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 78027 ZCTA.

2000
374
 
2010
459
▲ +22.7%
2020
478
▲ +4.1%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number484635
City AliasesKendalia

06Frequently Asked Questions

What county is ZIP code 78027 in?

ZIP code 78027 is in Kendall County, Texas (county FIPS code 48259).

What city is ZIP code 78027?

The primary USPS city for 78027 is Kendalia, TX.

What metro area (MSA) is 78027 in?

78027 is part of the San Antonio-New Braunfels, TX Metro Area (MSA code 41700).

What is the population of ZIP code 78027?

The 2020 Census population of 78027 was 478 residents.

What is the median income in ZIP code 78027?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78027 is about $70,833, 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.