Dodd City is a town in Fannin County, in the U.S. state of Texas. The population was 369 at the 2010 census, down from 419 at the 2000 census.
The town was established in 1839.
Dodd City is located east of the center of Fannin County at 33°34′33″N 96°4′30″W (33.575860, -96.074907). Texas State Highway 56 passes through the town center, leading east 4.5 miles (7.2 km) to Windom and west 6 miles (10 km) to Bonham, the county seat.
According to the United States Census Bureau, Dodd City has a total area of 1.8 square miles (4.6 km2), all of it land.
As of the census of 2000, there were 419 people, 160 households, and 120 families residing in the town. The population density was 247.5 people per square mile (95.7/km2). There were 188 housing units at an average density of 111.1 per square mile (43.0/km2). The racial makeup of the town was 95.94% White, 1.43% African American, 0.72% Native American, 0.24% from other races, and 1.67% from two or more races. Hispanic or Latino of any race were 0.24% of the population.
There were 160 households, out of which 35.6% had children under the age of 18 living with them, 59.4% were married couples living together, 8.1% had a female householder with no husband present, and 25.0% were non-families.