OK History & Facts
County Information - Oklahoma
By Cynthia Kirkeby
Aug 3, 2006, 18:38 PST

County Information for Oklahoma


There are 77 Counties in the state of Oklahoma.

The largest Oklahoma county by size is Osage County, which is 2,251 square miles.

The largest Oklahoma county by population is Oklahoma County, which has a population of 660,448.

Source: National Association of Counties


Here are Oklahoma QuickFacts from the U.S. Census Bureau.