| Official Name: | Eureka, Franklin County, Texas |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Texas#USA |
| Pushpin Label: | Eureka |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Texas |
| Subdivision Type2: | County |
| Subdivision Name2: | Franklin |
| Unit Pref: | Imperial |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 371 |
| Coordinates: | 33.3492°N -95.3061°W |
| Area Code: | 903, 430 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1379741 |
Eureka is an unincorporated community in Franklin County, Texas, United States. According to the Handbook of Texas, the community had a population of 18 in 2000.
Eureka had a church and one business in the 1930s. There were several scattered houses in 1985. Its population was 18 in 2000.[1] There are two cemeteries near Eureka: Fairview and Pierce's Chapel cemeteries.[2]
Eureka is located 12miles northwest of Mount Vernon in northwestern Franklin County.[1] It sits near the Hopkins County line.[2]
In 1896, Eureka had a school with one teacher and 37 students. It remained in the 1930s.[1] Today, the community is served by the Mount Vernon Independent School District.