Dilley is a city located in Frio County Texas. With a 2020 population of 4,527, it is the 390th largest city in Texas and the 5048th largest city in the United States . Dilley is currently growing at a rate of 0.42% annually and its population has increased by 16.26% since the most recent census, which recorded a population of 3,894 in 2010. Dilley reached it's highest population of 4,527 in 2021. Spanning over 2 miles, Dilley has a population density of 1,943 people per square mile.
The average household income in Dilley is $55,392 with a poverty rate of 28.36%. The median rental costs in recent years comes to $766 per month, and the median house value is $52,800. The median age in Dilley is 26.5 years, 26.7 years for males, and 25.8 years for females.