It was later called Claremore Mound, to honor Osage chief Claremore (aka Gra-mon in Osage, meaning Arrow Going Home; his name was first recorded by French colonists as Clermont.

)[4] In 1828, Cherokee bands who had left the Southeast early exchanged their Arkansas land for an area that included present-day Rogers County.

[4] The area became organized by the Cherokee Nation as the Saline District of their portion of Indian Territory.

Residents supported renaming the county in honor of Clement Vann Rogers, an early Cherokee settler and prominent rancher here.

[4] Shortly after statehood, Eastern University Preparatory School was established on College Hill, just west of Claremore, Oklahoma.

The racial makeup of the county was 75.3% White, 1.0% Black or African American, 13.1% Native American, 1.1% Asian (0.5% Hmong, 0.1% Filipino, 0.1% Indian),[14] 0.1% Pacific Islander, 1.4% from other races, and 8.1% from two or more races.

Of the population 3.7% were Hispanic or Latino of any race (2.7% Mexican, 0.3% Puerto Rican, 0.2% Spanish, 0.1% Peruvian).

The Big Cabin School District covered parts of the county until its 1992 dissolution.

[25] The following sites in Rogers County are listed on the National Register of Historic Places: