Oklahoma has a population of 3,918,137. In the year 2020, there were 270,885 firearms sold in Oklahoma. That's one firearm sold for every 14.5 people in the state. Oklahoma ranks in the #17 position in terms of per capita gun sales, and in the #25 position in absolute firearm sales for the most recent year. For every McDonald’s restaurant in Oklahoma there are 5.16 gun dealers.