Biohazard Cleanup Near Ellis Addition Heath, TX

Heath is a city in southwestern Rockwall County, extending into Kaufman County, about seven miles south of Rockwall along Farm Road 740 on the eastern edge of the Dallas–Fort Worth metroplex.

The community was named after John O. Heath, one of the area's earliest settlers in 1846, and it was originally known as Black Hill because of its dark soil.

Heath established the first post office in what is now Rockwall County in 1849; after the post office moved to Rockwall in 1854 the settlement was called Willow Springs, until it became Heath again in 1886.

The 2020 census counted 9,769 residents in Heath, up from 6,921 in 2010, and Census Bureau estimates put the population at about 11,671 by July 2025.

Census QuickFacts counts about 3,559 households in Heath (2020–2024), averaging just over three persons per household.

An exceptional 98.0% of Heath's housing units are owner-occupied (2020–2024), among the highest homeownership rates in the Dallas area.

Heath is one of Texas's most affluent cities — Census survey data analyzed by Data USA put its median household income at $220,828 in 2024.

In November 2008, Heath voters rejected a ballot proposition to change the city's name, with 58.9% of the 3,511 votes cast going against the change.

Rockwall-Heath High School, opened in Heath in 2005 as one of two high schools in the Rockwall Independent School District, enrolls roughly 2,900 students and is home to the Hawks.

Heath covers about 10.7 square miles, and parts of the city front Lake Ray Hubbard, the 22,000-acre reservoir on the East Fork of the Trinity River.