Harlingen is a city located in Cameron County, Texas. With a 2020 population of 65,402, it is the 61st largest city in Texas and the 587th largest city in the United States. Harlingen is currently declining at a rate of -0.03% annually but its population has increased by 0.85% since the most recent census, which recorded a population of 64,849 in 2010. Harlingen reached it's highest population of 65,818 in 2012. Spanning over 41 miles, Harlingen has a population density of 1,632 people per square mile.
The average household income in Harlingen is $54,545 with a poverty rate of 30.24%. The median rental costs in recent years comes to $729 per month, and the median house value is $83,500. The median age in Harlingen is 31.5 years, 29.5 years for males, and 34 years for females. For every 100 females there are 99.1 males.