Seagoville is located in Dallas County just southeast of the Dallas, Texas metro area on US 175 near the Trinity River.
In 1971 Seagoville was named "Small Town U.S.A." by the United States Marine Corps recruiting office, which subsequently shot a recruiting film entitled "Strictly On Your Own" in downtown Seagoville.
In 1979 the community celebrated its 100th birthday. By 1990 Seagoville had a population of 8,969. In 1991 the population was reported as 9,100.
