Rowlett is situated on Lake Ray Hubbard in northeast Dallas County, approximately twenty miles from downtown Dallas. Located just north of Interstate Highway 30, the City is convenient to much of the shopping and entertainment in the Dallas/Ft Worth Metroplex. However, Rowlett offers an escape to the quiet, relaxed atmosphere of lakeside living. As one of the top ten metroplex cities showing the largest population and housing growth rates, the City of Rowlett is still able to offer a subdued lakeside living atmosphere.

Rowlett is located in Dallas and Rockwall counties in Texas, and a suburb of Dallas. The population was 56,199 as of the 2010 census.

The median income for a household in the city was $100,872, and the median income for a family was $88,442 (these figures had risen to $88,442 and $100,872 respectively as of a 2010 estimate). Males had a median income of $49,394 versus $35,286 for females. The per capita income for the city was $26,144. About 2.2% of families and 3.0% of the population were below the poverty line, including 3.3% of those under age 18 and 3.8% of those age 65 or over.