Dime Box is an unincorporated community and census designated place in Lee County, Texas, United States. As of the 2020 census, Dime Box had a population of 207. The Dime Box Independent School District serves area students and is home to the Dime Box High School Longhorns. It is named after what is now called Old Dime Box .
In 1913, the Southern Pacific Railroad built a line three miles southeast of the original location of Dime Box. Most of the residents and businesses moved to a site near the tracks. From that point onward, the original settlement became known as Old Dime Box and the new community was referred to as Dime Box.
The climate in this area is characterized by hot, humid summers; generally mild to cool winters; and precipitation evenly distributed throughout the year. The Köppen climate classification describes the weather as humid subtropical.
Dime Box first appeared as a census designated place in the 2020 U.S. census.