Glenpool is a city in Tulsa County, Oklahoma, United States. It is part of the Tulsa Metropolitan Statistical Area. As of 2010, the population was 10,808. This was an increase of 33.1% since the 2000 census, which reported total population as 8,123.Glenpool is notable because the discovery of oil in 1905, which caused an economic boom that propelled the growth of Tulsa and its surroundings. Although the Glenn Pool field, for which the city was named, still produces a small amount of oil; the city is now primarily a Commuter town for Tulsa.