Hallett is a city located in Oklahoma. With a 2020 population of 122, it is the 509th largest city in Oklahoma and the 17949th largest city in the United States. Hallett is currently declining at a rate of -0.81% annually and its population has decreased by -2.40% since the most recent census, which recorded a population of 125 in 2010. Hallett reached it's highest population of 126 in 2011. Spanning over 1 miles, Hallett has a population density of 138 people per square mile.
The average household income in Hallett is $39,452 with a poverty rate of 25.00%. The median rental costs in recent years comes to $792 per month, and the median house value is -. The median age in Hallett is 42.8 years, 39.8 years for males, and 50.2 years for females. For every 100 females there are 120.8 males.