Castro County, Texas Cities (2025)

3 cities

City
Rank
2025 Pop. ↓
2020 Pop.
Change
Density
Area (mi²)
Type
Dimmitt14,0174,152-0.67%1,2753.15 City
Hart2849864-0.35%1,1500.74 City
Nazareth3302306-0.33%8320.36 City

Castro County Cities Summary

Largest City

Dimmitt is the largest city in Castro County, with a population of 4,017.

Smallest City

Nazareth is the smallest city in Castro County.

10 Largest Cities

There are 3 cities in Castro County, Texas.