Greenfield is a city located in Oklahoma. With a 2020 population of 88, it is the 537th largest city in Oklahoma and the 18517th largest city in the United States. Greenfield is currently declining at a rate of -1.12% annually and its population has decreased by -5.38% since the most recent census, which recorded a population of 93 in 2010. Greenfield reached it's highest population of 94 in 2010. Spanning over 0 miles, Greenfield has a population density of 664 people per square mile.
The average household income in Greenfield is $35,970 with a poverty rate of 53.85%. The median rental costs in recent years comes to - per month, and the median house value is $54,000. The median age in Greenfield is 30.5 years, 43.9 years for males, and 28.1 years for females. For every 100 females there are 67.1 males.