Nichols Hills is a city located in Oklahoma. With a 2020 population of 3,887, it is the 91st largest city in Oklahoma and the 5481st largest city in the United States. Nichols Hills is currently declining at a rate of -0.41% annually but its population has increased by 4.77% since the most recent census, which recorded a population of 3,710 in 2010. Nichols Hills reached it's highest population of 4,897 in 1960. Spanning over 2 miles, Nichols Hills has a population density of 1,975 people per square mile.
The average household income in Nichols Hills is $269,968 with a poverty rate of 2.12%. The median rental costs in recent years comes to $972 per month, and the median house value is $740,400. The median age in Nichols Hills is 45.9 years, 45.1 years for males, and 47 years for females. For every 100 females there are 83.5 males.