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US ZIP Code Profile

ZIP Code 78559
La Feria, Texas

ZIP code 78559 is in La Feria, located in Cameron County, Texas, within the Brownsville-Harlingen metro area. Its 2020 Census population was 12,533. The estimated median adjusted gross income per tax return is $31,849, and about 1% of filers report $200,000 or more.

2020 Population
12,533
Census ZCTA
County
Cameron
FIPS 48061
Median income (est.)
$31,849
IRS SOI 2022
Land Area
35.268 mi²
+ 0.88 mi² water

01Location & Geography

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

Primary CityLa Feria, TX
CountyCameron County (FIPS 48061)
StateTexas (FIPS 48)
Metro Area (MSA)Brownsville-Harlingen, TX Metro Area (15180)
Census Region / DivisionSouth Region · West South Central Division
Coordinates26.14883, -97.831116
Land / Water Area35.268 mi² land · 0.88 mi² water

02Income & Economics

Distribution of the 5,300 individual tax returns filed in 78559 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
42.4%
$25K–$50K
27.6%
$50K–$75K
13.6%
$75K–$100K
6.2%
$100K–$200K
8.9%
$200K+
1.3%
The $200,000+ bracket accounts for 13% of 78559's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($31,849) 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 78559's IRS income metrics, 2020–2022.

Median income (2021→2022)
$31,849
▲ 8.0%
Filers earning $200K+
1.3%
▼ 0.0 pt
Total filers
5,300
▲ 1.5%
GET /zipc/v2/zipcodes/78559/soi?year=… $28K 2020 $29K 2021 $32K 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 78559 ZCTA.

2000
9,151
 
2010
12,751
▲ +39.3%
2020
12,533
▼ -1.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number484845
City AliasesLa Feria, Lafkin

06Frequently Asked Questions

What county is ZIP code 78559 in?

ZIP code 78559 is in Cameron County, Texas (county FIPS code 48061).

What city is ZIP code 78559?

The primary USPS city for 78559 is La Feria, TX.

What metro area (MSA) is 78559 in?

78559 is part of the Brownsville-Harlingen, TX Metro Area (MSA code 15180).

What is the population of ZIP code 78559?

The 2020 Census population of 78559 was 12,533 residents.

What is the median income in ZIP code 78559?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78559 is about $31,849, with around 1% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.