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US ZIP Code Profile

ZIP Code 78404
Corpus Christi, Texas

ZIP code 78404 is in Corpus Christi, located in Nueces County, Texas, within the Corpus Christi metro area. Its 2020 Census population was 15,339. The estimated median adjusted gross income per tax return is $34,645, and about 4% of filers report $200,000 or more.

2020 Population
15,339
Census ZCTA
County
Nueces
FIPS 48355
Median income (est.)
$34,645
IRS SOI 2022
Land Area
3.107 mi²
+ 0 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
Coordinates27.768023, -97.39914
Land / Water Area3.107 mi² land · 0 mi² water

02Income & Economics

Distribution of the 6,010 individual tax returns filed in 78404 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
39.6%
$25K–$50K
27.0%
$50K–$75K
13.5%
$75K–$100K
7.0%
$100K–$200K
8.8%
$200K+
4.2%
The $200,000+ bracket accounts for 50% of 78404's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($34,645) 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 78404's IRS income metrics, 2020–2022.

Median income (2021→2022)
$34,645
▲ 9.8%
Filers earning $200K+
4.2%
▼ 0.1 pt
Total filers
6,010
▼ 0.8%
GET /zipc/v2/zipcodes/78404/soi?year=… $30K 2020 $32K 2021 $35K 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 78404 ZCTA.

2000
17,133
 
2010
17,236
▲ +0.6%
2020
15,339
▼ -11.0%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 78404. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 78404

Corpus Christi and its immediate neighbors, sorted by distance.

3 mi
GET /zipc/v2/distance

Distance from 78404 to any ZIP

Enter a 5-digit ZIP to calculate the distance.

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, Cc

07Frequently Asked Questions

What county is ZIP code 78404 in?

ZIP code 78404 is in Nueces County, Texas (county FIPS code 48355).

What city is ZIP code 78404?

The primary USPS city for 78404 is Corpus Christi, TX.

What metro area (MSA) is 78404 in?

78404 is part of the Corpus Christi, TX Metro Area (MSA code 18580).

What is the population of ZIP code 78404?

The 2020 Census population of 78404 was 15,339 residents.

What is the median income in ZIP code 78404?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78404 is about $34,645, with around 4% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.