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US ZIP Code Profile

ZIP Code 78045
Laredo, Texas

ZIP code 78045 is in Laredo, located in Webb County, Texas, within the Laredo metro area. Its 2020 Census population was 65,354. The estimated median adjusted gross income per tax return is $43,492, and about 4% of filers report $200,000 or more.

2020 Population
65,354
Census ZCTA
County
Webb
FIPS 48479
Median income (est.)
$43,492
IRS SOI 2022
Land Area
723.534 mi²
+ 3.758 mi² water

01Location & Geography

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

Primary CityLaredo, TX
CountyWebb County (FIPS 48479)
StateTexas (FIPS 48)
Metro Area (MSA)Laredo, TX Metro Area (29700)
Census Region / DivisionSouth Region · West South Central Division
Coordinates27.833815, -99.68143
Land / Water Area723.534 mi² land · 3.758 mi² water

02Income & Economics

Distribution of the 31,500 individual tax returns filed in 78045 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
31.8%
$25K–$50K
24.6%
$50K–$75K
15.2%
$75K–$100K
9.2%
$100K–$200K
15.1%
$200K+
4.1%
The $200,000+ bracket accounts for 32% of 78045's total adjusted gross income, from 4% of returns — a concentration that drives the gap between the median ($43,492) 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 78045's IRS income metrics, 2020–2022.

Median income (2021→2022)
$43,492
▲ 5.4%
Filers earning $200K+
4.1%
▲ 0.3 pt
Total filers
31,500
▲ 3.3%
GET /zipc/v2/zipcodes/78045/soi?year=… $39K 2020 $41K 2021 $43K 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 78045 ZCTA.

2000
29,517
 
2010
54,713
▲ +85.4%
2020
65,354
▲ +19.4%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortD
USPS Finance Number484950
City AliasesLaredo

06Frequently Asked Questions

What county is ZIP code 78045 in?

ZIP code 78045 is in Webb County, Texas (county FIPS code 48479).

What city is ZIP code 78045?

The primary USPS city for 78045 is Laredo, TX.

What metro area (MSA) is 78045 in?

78045 is part of the Laredo, TX Metro Area (MSA code 29700).

What is the population of ZIP code 78045?

The 2020 Census population of 78045 was 65,354 residents.

What is the median income in ZIP code 78045?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78045 is about $43,492, 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.