Irion County, Texas Cities (2026)

City
Rank
2026 Pop. ↓
2020 Pop.
Annual Change
Density (/mi²)
Area (mi²)
Type
Mertzon17267470%4782 City

Irion County Cities Summary

Largest City

Mertzon is the largest city in Irion County, with a population of 726.

Smallest City

Mertzon is the smallest city in Irion County, with a population of 726.

10 Largest Cities

There is 1 city in Irion County, Texas.

Location of Irion County

Sources

  1. US Census: 2025 Gazetteer Files
  2. City and Town Population Totals: 2020-2024