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US ZIP Code Profile

ZIP Code 78401
Corpus Christi, Texas

ZIP code 78401 is in Corpus Christi, located in Nueces County, Texas, within the Corpus Christi metro area. Its 2020 Census population was 4,701. The estimated median adjusted gross income per tax return is $37,500, and about 10% of filers report $200,000 or more.

2020 Population
4,701
Census ZCTA
County
Nueces
FIPS 48355
Median income (est.)
$37,500
IRS SOI 2022
Land Area
2.155 mi²
+ 0.357 mi² water

01Location & Geography

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

Primary CityCorpus Christi, TX
CountyNueces County (FIPS 48355)
StateTexas (FIPS 48)
Metro Area (MSA)Corpus Christi, TX Metro Area (18580)
Census Region / DivisionSouth Region · West South Central Division
Coordinates27.797802, -97.39907
Land / Water Area2.155 mi² land · 0.357 mi² water

02Income & Economics

Distribution of the 1,230 individual tax returns filed in 78401 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
37.4%
$25K–$50K
25.2%
$50K–$75K
11.4%
$75K–$100K
7.3%
$100K–$200K
8.9%
$200K+
9.8%
The $200,000+ bracket accounts for 70% of 78401's total adjusted gross income, from 10% of returns — a concentration that drives the gap between the median ($37,500) 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 78401's IRS income metrics, 2020–2022.

Median income (2021→2022)
$37,500
▲ 15.7%
Filers earning $200K+
9.8%
▲ 0.5 pt
Total filers
1,230
▼ 4.7%
GET /zipc/v2/zipcodes/78401/soi?year=… $30K 2020 $32K 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 78401 ZCTA.

2000
4,631
 
2010
5,391
▲ +16.4%
2020
4,701
▼ -12.8%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 78401. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 78401

Corpus Christi and its immediate neighbors, sorted by distance.

3 mi
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Distance from 78401 to any ZIP

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06USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number482030
City AliasesCorpus Christi, Corp Christi

07Frequently Asked Questions

What county is ZIP code 78401 in?

ZIP code 78401 is in Nueces County, Texas (county FIPS code 48355).

What city is ZIP code 78401?

The primary USPS city for 78401 is Corpus Christi, TX.

What metro area (MSA) is 78401 in?

78401 is part of the Corpus Christi, TX Metro Area (MSA code 18580).

What is the population of ZIP code 78401?

The 2020 Census population of 78401 was 4,701 residents.

What is the median income in ZIP code 78401?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78401 is about $37,500, with around 10% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.