Santa Rosa County is a county located in the northwestern portion of the U.S. state of Florida. As of 2020, the population was 188,000. The county seat is Milton, which lies in the geographic center of the county. Other major communities within Santa Rosa County are Navarre, Pace, and Gulf Breeze. Navarre is the most populated community with a population of approximately 45,000 residents. Santa Rosa County is included in the Pensacola—Ferry Pass—Brent, Florida Metropolitan Statistical Area, which also includes Escambia County.