Get API Key →
US ZIP Code Profile

ZIP Code 78537
Donna, Texas

ZIP code 78537 is in Donna, located in Hidalgo County, Texas, within the McAllen-Edinburg-Mission metro area. Its 2020 Census population was 51,962. The estimated median adjusted gross income per tax return is $23,429, and about 0% of filers report $200,000 or more.

2020 Population
51,962
Census ZCTA
County
Hidalgo
FIPS 48215
Median income (est.)
$23,429
IRS SOI 2022 · approx.
Land Area
62.479 mi²
+ 0.95 mi² water

01Location & Geography

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

Primary CityDonna, TX
CountyHidalgo County (FIPS 48215)
StateTexas (FIPS 48)
Metro Area (MSA)McAllen-Edinburg-Mission, TX Metro Area (32580)
Census Region / DivisionSouth Region · West South Central Division
Coordinates26.162146, -98.05877
Land / Water Area62.479 mi² land · 0.95 mi² water

02Income & Economics

Distribution of the 20,430 individual tax returns filed in 78537 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
53.3%
$25K–$50K
28.1%
$50K–$75K
10.6%
$75K–$100K
4.1%
$100K–$200K
3.5%
$200K+
0.4%
The $200,000+ bracket accounts for 6% of 78537's total adjusted gross income, from 0% of returns — a concentration that drives the gap between the median ($23,429) and the average.
Estimated median = median adjusted gross income per tax return, interpolated from IRS SOI brackets. Differs from U.S. Census household income. Estimate is approximate for this ZIP (median falls in the lowest bracket).

03Income Over Time

Year-over-year change in 78537's IRS income metrics, 2020–2022.

Median income (2021→2022)
$23,429
▲ 7.0%
Filers earning $200K+
0.4%
▲ 0.0 pt
Total filers
20,430
▲ 3.3%
GET /zipc/v2/zipcodes/78537/soi?year=… $22K 2020 $22K 2021 $23K 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 78537 ZCTA.

2000
30,837
 
2010
39,454
▲ +27.9%
2020
51,962
▲ +31.7%

05USPS Postal Details

Delivery and facility attributes from the monthly USPS dataset.

ZIP ClassificationNon-Unique Zip
Facility TypePost Office
Carrier Route SortC
USPS Finance Number482555
City AliasesDonna, La Tijera

06Frequently Asked Questions

What county is ZIP code 78537 in?

ZIP code 78537 is in Hidalgo County, Texas (county FIPS code 48215).

What city is ZIP code 78537?

The primary USPS city for 78537 is Donna, TX.

What metro area (MSA) is 78537 in?

78537 is part of the McAllen-Edinburg-Mission, TX Metro Area (MSA code 32580).

What is the population of ZIP code 78537?

The 2020 Census population of 78537 was 51,962 residents.

What is the median income in ZIP code 78537?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78537 is about $23,429, with around 0% of filers reporting $200,000 or more. Note that adjusted gross income is a tax measure and differs from U.S. Census household income.