Windmill is a populated place LOCATED WITHIN the City of Peoria. In turn, the City of Peoria is located within Maricopa County.
Windmill is located at latitude 33.597 and longitude -112.229.
Since Windmill is located within the City of Peoria, all of the census and demographic data for residents of Windmill are included as part of the information reported for City of Peoria in the "Profile" tab above.