Foss is a city located in Oklahoma. With a 2020 population of 142, it is the 487th largest city in Oklahoma and the 17603rd largest city in the United States. Foss is currently declining at a rate of -1.39% annually and its population has decreased by -5.96% since the most recent census, which recorded a population of 151 in 2010. Foss reached it's highest population of 154 in 2015. Spanning over 1 miles, Foss has a population density of 195 people per square mile.
The average household income in Foss is $53,703 with a poverty rate of 9.93%. The median rental costs in recent years comes to - per month, and the median house value is $57,500. The median age in Foss is 44.2 years, 45.4 years for males, and 39.3 years for females. For every 100 females there are 122.1 males.