77378 Frequently Asked Questions

A: ZIP Code 77378 is Located in Willis Texas. Portions of 77378 are also in Conroe.

A: ZIP Code 77378 is Located Primarily in Montgomery County Texas with Portions in San Jacinto County.

A: The Current Sales Tax in ZIP Code 77378 is 8.2%

A: The Area Code for 77378 is 936.

A: ZIP Code 77378 is in the Texas 8th Congressional District.

A: 77378 is within Texas State House of Representatives District 16 and Texas State House of Representatives District 18.

A: 77378 is within Texas State Senate District 4 and Texas State Senate District 5.

A: The 2022 population of ZIP Code 77378 is 18112. The population growth rate in 77378 is 8.66%.

A: The majority race/ethnicity of people residing in 77378 is White (60.02%). The majority race/ethnicity of students attending public schools in 77378 is White(49.45%).

A: The median household income in 77378 is $63,395 (2021) and the average adjusted income is $55,670 (2020).