[5] As of the 2020 United States census, there were 9,836 people, 3,944 households, and 2,569 families residing in the county.

The racial makeup was 85.35% white, 0.47% black, 1.85% Native American, 3.42% Asian, 2.12% Non-Hispanics reporting more than one race and 6.96% Hispanics or Latinos.

Over the past few election cycles Scott County has trended heavily towards the GOP.

By margin, it was the most Republican county in Arkansas in the 2020 United States Presidential Election.

Each township includes unincorporated areas; some may have incorporated cities or towns within part of their boundaries.

However, the United States census does list Arkansas population based on townships (sometimes referred to as "county subdivisions" or "minor civil divisions").

Each town or city is within one or more townships in an Arkansas county based on census maps and publications.