Willis is a city in Montgomery County, Texas, United States, located eight miles north of Conroe in north central Montgomery County. The city began to develop in 1870 after what is now a Union Pacific Railroad was built through the area. As a part of the Piney Woods, The Willis economy has historically been driven by lumber, agriculture, and the manufacture of lumber and agriculture equipment.
Willis is located at 30°25′22″N 95°28′44″W / 30.42278°N 95.47889°W / 30.42278; -95.47889 (30.422640, -95.478829).
According to the United States Census Bureau, the city has a total area of 3.3 square miles (8.5 km), all of it land.
As of the 2010 United States Census, there were 5,662 people, 1,782 households, and 1,340 families residing in the city. The racial makeup of the city was 56.7% White, 18.2% African American, 0.9% Native American, 0.4% Asian, 20.1% from other races, and 3.6% from two or more races. Hispanic or Latino of any race were 38.0% of the population.
There were 1,782 households out of which 42.5% had children under the age of 18 living with them, 42.5% were married couples living together, 25.0% had a female householder with no husband present, and 24.8% were non-families. 19.6% of all households were made up of individuals. The average household size was 3.10 and the average family size was 3.55.
In the city, the population was spread out with 33.3% under the age of 18, 11.3% from 18 to 24, 28.4% from 25 to 44, 18.3% from 45 to 64, and 8.1% who were 65 years of age or older. The median age was 29.1 years. For every 100 females, there were 91.4 males. For every 100 females age 18 and over, there were 85.3 males.
According to the 2015 American Community Survey, The median income for a household in the city was $36,640, and the median income for a family was $38,244. Males had a median income of $26,320 versus $18,036 for females. The per capita income for the city was $13,122. About 15.6% of families and 14.4% of the population were below the poverty line, including 16.1% of those under age 18 and 42.6% of those age 65 or over.