Blackwell is a city located in Oklahoma. With a 2020 population of 6,520, it is the 66th largest city in Oklahoma and the 4097th largest city in the United States. Blackwell is currently declining at a rate of -1.06% annually and its population has decreased by -8.07% since the most recent census, which recorded a population of 7,092 in 2010. Blackwell reached it's highest population of 9,588 in 1960. Spanning over 6 miles, Blackwell has a population density of 1,170 people per square mile.
The average household income in Blackwell is $54,546 with a poverty rate of 19.93%. The median rental costs in recent years comes to $730 per month, and the median house value is $58,500. The median age in Blackwell is 41.2 years, 41.4 years for males, and 41.1 years for females. For every 100 females there are 88.2 males.