About 136,255 people were added in the 10-county area between 2016 and 2017. The Greater Katy area is defined by the boundaries of Katy Independent School District encompassing the original City of Katy (âOld Katyâ) with a population of about 18,000 and surrounding communities with more than 385,000 population. In 2018, Katy, TX had a population of 18.1k people with a median age of 39.1 and a median household income of $77,731. In 2018, Katy City (Northeast) PUMA, TX had a population of 162k people with a median age of 33.5 and a median household income of $97,297. This section compares Katy to the 50 most populous places in Texas and to those entities that contain or substantially overlap with Katy. Population growth is still booming in many parts of greater Houston. The Katy areaâs Asian population is expected to grow by about 10,000 people over the next four years, and with the opening of Katy Asian Town, the â¦ The population density in Katy is 1208% higher than Texas; The median age in Katy is 4% higher than Texas; In Katy 86.63% of the population is White; In Katy 7.31% of the population is Black; In Katy 1.53% of the population is Asian The least populous of the compared places has a population of 71,732. Between 2017 and 2018 the population of Katy, TX grew from 17,265 to 18,094, a 4.8% increase and its median household income grew from $73,865 to $77,731, a 5.23% increase. Current projections show the population of Greater Katy will grow to 391,000 by 2022. Between 2017 and 2018 the population of Katy City (Northeast) PUMA, TX grew from 149,670 to 162,307, a 8.44% increase and its median household income grew from $95,405 to $97,297, a 1.98% increase. Roughly, the Greater Katy area covers the suburbs that surround the Katy city limits west to Pederson road, roughly east to State Highway 6, north to FM 529 and south to FM 1093/ Westpark Tollway Parkway. Licensed and registered facilities that charge families directly and do not discount rates based on prior relationships with families are included in this study to determine child care market rates. Katy, Texas. Statistical Atlas: The Demographic Statistical Atlas of the United States Total Population: 14,500 [Most Recent City Population] Population Density: 1,359 [The number of residents per square mile of area.Population Change: 23.11% [The percent change in the citys population since 2000.Negative percentages represent a decrease in population.] KATY AREA CHAMBER Directory Events Login Join Us Partner Members Memorial Hermann Katy City of Katy Houston Methodist West Hosptial Consolidated Communications Upcoming Chamber Events Katy Area Chamber of Commerce Gold Members Matt Schomburg State Farm VillaSport Athletic Club & Spa Katy Independent School District Sergioâs Landscaping HCC â Katy Katy Mills Mall KPM â¦ Starting with the 2018 report, Thatâs a 2.1 percent population â¦ Population Data for Katy, TX . Katy lies on the western border of the City of Houston in Harris County. The population of interest in this study is the priced child care market in Texas. There are 1,747 places in Texas. Median Age: 33.5 [The median age of all residents of the city.