The Woodlands The Woodlands submarket contains approximately 615 office buildings, comprising a total of 21,300,000 rentable square feet. With the vacancy traditionally around 9%, this is a good market for office building investors. Quoted rents are trending in the $18.00 per square foot range and are likely to increase over the coming years. The Woodlands market is directly north of Houston, just north of Spring and south of Conroe on I-45. The Woodlands has a very diverse market with a notable retail and hospitality market. Most of the community is served by the Conroe ISD. Population is estimated to be 115,000.