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US ZIP Code Profile

ZIP Code 78363
Kingsville, Texas

ZIP code 78363 is in Kingsville, located in Kleberg County, Texas, within the Kingsville metro area. Its 2020 Census population was 29,391. The estimated median adjusted gross income per tax return is $38,495, and about 2% of filers report $200,000 or more.

2020 Population
29,391
Census ZCTA
County
Kleberg
FIPS 48273
Median income (est.)
$38,495
IRS SOI 2022
Land Area
152.874 mi²
+ 2.383 mi² water

01Location & Geography

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

Primary CityKingsville, TX
CountyKleberg County (FIPS 48273)
StateTexas (FIPS 48)
Metro Area (MSA)Kingsville, TX Micro Area (28780)
Census Region / DivisionSouth Region · West South Central Division
Coordinates27.444204, -97.8656
Land / Water Area152.874 mi² land · 2.383 mi² water

02Income & Economics

Distribution of the 11,200 individual tax returns filed in 78363 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
36.1%
$25K–$50K
25.8%
$50K–$75K
15.3%
$75K–$100K
8.0%
$100K–$200K
12.8%
$200K+
2.1%
The $200,000+ bracket accounts for 12% of 78363's total adjusted gross income, from 2% of returns — a concentration that drives the gap between the median ($38,495) 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 78363's IRS income metrics, 2020–2022.

Median income (2021→2022)
$38,495
▲ 9.8%
Filers earning $200K+
2.1%
▲ 0.4 pt
Total filers
11,200
▼ 1.4%
GET /zipc/v2/zipcodes/78363/soi?year=… $34K 2020 $35K 2021 $38K 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 78363 ZCTA.

2000
29,917
 
2010
30,463
▲ +1.8%
2020
29,391
▼ -3.5%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number484725
City AliasesKingsville, Kingsville Naval Air Station, Ricardo, Kingsvl Naval, Kingsvlle Nas

06Frequently Asked Questions

What county is ZIP code 78363 in?

ZIP code 78363 is in Kleberg County, Texas (county FIPS code 48273).

What city is ZIP code 78363?

The primary USPS city for 78363 is Kingsville, TX.

What metro area (MSA) is 78363 in?

78363 is part of the Kingsville, TX Micro Area (MSA code 28780).

What is the population of ZIP code 78363?

The 2020 Census population of 78363 was 29,391 residents.

What is the median income in ZIP code 78363?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78363 is about $38,495, with around 2% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.