The city of Milton encompasses the following counties: Santa Rosa.
Milton encompasses land area: 4.4 sq mi (11.3 km2), water area: 0.2 sq mi (0.5 km2). The elevation is 33 ft (10 m) above sea level. This equates to a population density of 1,531.5/sq mi (597/km2). The local time zone is Central (CST) (UTC-6).
Local area codes are 850. The Federal Information Processing Standard (FIPS) code for the city is 12-45750, which is used in computer filings when non-government agencies and contractors fulfill government contracts.