Saddlebrooke is a census-designated place and retirement community in Pinal County, Arizona, United States. The population was 12,574 at the United States 2020 Census There are two communities managed by homeowner associations within the retirement development; SaddleBrooke One, and SaddleBrooke Two, the latter includes the Preserve subdivision. Eagle Crest is a smaller all age subdivision that is part of the SaddleBrooke.