Nogales is a city located in Santa Cruz County Arizona. It is also the county seat of Santa Cruz County. With a 2020 population of 20,031, it is the 34th largest city in Arizona and the 1852nd largest city in the United States . Nogales is currently declining at a rate of -0.18% annually and its population has decreased by -3.87% since the most recent census, which recorded a population of 20,837 in 2010. Nogales reached it's highest population of 20,878 in 2000. Spanning over 21 miles, Nogales has a population density of 962 people per square mile.
The average household income in Nogales is $50,393 with a poverty rate of 29.69%. The median rental costs in recent years comes to $590 per month, and the median house value is $119,700. The median age in Nogales is 35.2 years, 30.6 years for males, and 38.2 years for females.