The 2014 The Woodlands, Texas, population is 97,951. There are 2,264 people per square mile (population density). The median age is 38.7. The US median is 37.2. 65.32% of people in The Woodlands, Texas, are married. 7.93% are divorced. The average household size is 2.75 people. 44.03% of people are married, with children. 8.95% have children, but are single.