Hidalgo County, TX ZIP Codes & Directory
Complete postal guide for Hidalgo County, Texas. Featuring the official county seat of Edinburg, largest municipality McAllen, and serving 13 incorporated municipal entities.
Municipalities Located in Hidalgo County
Incorporated Cities, Towns, and Villages
McAllen
cityPopulation: 142,210
Edinburg
cityPopulation: 100,243
Mission
cityPopulation: 84,331
Pharr
cityPopulation: 79,715
Oakwood
townPopulation: 3,222
O'Brien
townPopulation: 2,821
Odem
townPopulation: 4,186
Oglesby
townPopulation: 2,541
Olton
townPopulation: 3,030
Opdyke West
townPopulation: 1,403
Overton
townPopulation: 3,057
Quinlan
cityPopulation: 4,941
Hidalgo City 107
cityPopulation: 6,175
Active USPS Postal Codes in Hidalgo County
Standard delivery zones and geographic service boundaries
Frequently Asked Questions About Hidalgo County, TX
What is the county seat and largest city in Hidalgo County? ▾
The official county seat of Hidalgo County is Edinburg, and its largest incorporated municipality by population is McAllen.
How many cities, towns, and villages are in Hidalgo County? ▾
Hidalgo County encompasses 13 incorporated municipal entities, including 6 cities, 7 towns, and 0 villages.
What is the total population and land area of Hidalgo County? ▾
According to official U.S. Census Bureau data, Hidalgo County has a population of approximately 870,781 residents and spans an area of 1,569 square miles.
How many postal codes operate in Hidalgo County? ▾
There are 5 active USPS postal codes serving addresses within Hidalgo County, Texas.