Tomball is a city located in Harris County Texas. With a 2020 population of 11,942, it is the 215th largest city in Texas and the 2731st largest city in the United States . Tomball is currently growing at a rate of 0.69% annually and its population has increased by 11.06% since the most recent census, which recorded a population of 10,753 in 2010. Tomball reached it's highest population of 11,942 in 2021. Spanning over 13 miles, Tomball has a population density of 919 people per square mile.
The average household income in Tomball is $80,875 with a poverty rate of 14.31%. The median rental costs in recent years comes to $1,072 per month, and the median house value is $211,700. The median age in Tomball is 38 years, 36.6 years for males, and 39.2 years for females.