Miller Valley is a populated place LOCATED WITHIN the City of Prescott. In turn, the City of Prescott is located within Yavapai County.
Miller Valley is located at latitude 34.553 and longitude -112.476.
Since Miller Valley is located within the City of Prescott, all of the census and demographic data for residents of Miller Valley are included as part of the information reported for City of Prescott in the "Profile" tab above.