Heath is a city in Rockwall and Kaufman Counties, Texas, United States. The population was 4,149 at the 2000 census. It is part of the Dallas-Fort Worth metroplex.
Heath is located at 32°50′52″N 96°28′42″W / 32.84778°N 96.47833°W / 32.84778; -96.47833 (32.847890, -96.478273).
According to the United States Census Bureau, the city has a total area of 6.9 square miles (17.9 km²), of which, 6.9 square miles (17.8 km²) of it is land and 0.04 square miles (0.1 km²) of it (0.58%) is water.