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US ZIP Code Profile

ZIP Code 78516
Alamo, Texas

ZIP code 78516 is in Alamo, located in Hidalgo County, Texas, within the McAllen-Edinburg-Mission metro area. Its 2020 Census population was 34,506. The estimated median adjusted gross income per tax return is $26,316, and about 1% of filers report $200,000 or more.

2020 Population
34,506
Census ZCTA
County
Hidalgo
FIPS 48215
Median income (est.)
$26,316
IRS SOI 2022
Land Area
38.034 mi²
+ 0.224 mi² water

01Location & Geography

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

Primary CityAlamo, 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
Coordinates26.144539, -98.121315
Land / Water Area38.034 mi² land · 0.224 mi² water

02Income & Economics

Distribution of the 14,260 individual tax returns filed in 78516 by adjusted gross income bracket (IRS SOI, 2022).

< $25K
48.5%
$25K–$50K
28.0%
$50K–$75K
12.4%
$75K–$100K
5.5%
$100K–$200K
4.8%
$200K+
0.7%
The $200,000+ bracket accounts for 6% of 78516's total adjusted gross income, from 1% of returns — a concentration that drives the gap between the median ($26,316) 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 78516's IRS income metrics, 2020–2022.

Median income (2021→2022)
$26,316
▲ 8.2%
Filers earning $200K+
0.7%
▲ 0.1 pt
Total filers
14,260
▲ 2.1%
GET /zipc/v2/zipcodes/78516/soi?year=… $24K 2020 $24K 2021 $26K 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 78516 ZCTA.

2000
25,680
 
2010
33,722
▲ +31.3%
2020
34,506
▲ +2.3%

05Nearby ZIP Codes — Live Radius Search

Drag the slider to filter ZIP codes by distance from 78516. Powered by the same radius endpoint developers call from the API.

GET /zipc/v2/radius

ZIP codes within range of 78516

Alamo and its immediate neighbors, sorted by distance.

3 mi
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Distance from 78516 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 SortC
USPS Finance Number480095
City AliasesAlamo, Campo Alto, El Gato

07Frequently Asked Questions

What county is ZIP code 78516 in?

ZIP code 78516 is in Hidalgo County, Texas (county FIPS code 48215).

What city is ZIP code 78516?

The primary USPS city for 78516 is Alamo, TX.

What metro area (MSA) is 78516 in?

78516 is part of the McAllen-Edinburg-Mission, TX Metro Area (MSA code 32580).

What is the population of ZIP code 78516?

The 2020 Census population of 78516 was 34,506 residents.

What is the median income in ZIP code 78516?

Based on IRS Statistics of Income data, the estimated median adjusted gross income per tax return in 78516 is about $26,316, 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.