According to the United States Census Bureau, the city has a total area of 5.6 square miles (14.6 km²), of which, 5.3 square miles (13.9 km²) of it is land and 0.3 square miles (0.8 km²) of it (5.14%) is water.
There were 3,674 households out of which 41.0% had children under the age of 18 living with them, 49.3% were married couples living together, 14.5% had a female householder with no husband present, and 30.2% were non-families. 24.0% of all households were made up of individuals and 4.7% had someone living alone who was 65 years of age or older. The average household size was 2.79 and the average family size was 3.35.
In the city the population was spread out with 31.4% under the age of 18, 13.5% from 18 to 24, 31.1% from 25 to 44, 16.4% from 45 to 64, and 7.6% who were 65 years of age or older. The median age was 28 years. For every 100 females there were 101.7 males. For every 100 females age 18 and over, there were 99.7 males.
The median income for a household in the city was $32,622, and the median income for a family was $34,638. Males had a median income of $31,574 versus $18,396 for females. The per capita income for the city was $14,008. About 16.0% of families and 18.2% of the population were below the poverty line, including 22.0% of those under age 18 and 14.5% of those age 65 or over.
The city is also served by Brazosport College.
The Clute Library is a part of the Brazoria County Library System.