| Official Name: | Eureka, Pennsylvania |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Eureka |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Bucks and Montgomery |
| Subdivision Type3: | Township |
| Subdivision Name3: | Warrington and Montgomery |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 308 |
| Coordinates: | 40.2444°N -75.1922°W |
| Area Code: | 215, 267 and 445 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1203533 |
Eureka is an unincorporated community in Pennsylvania, United States on the border of Warrington Township in Bucks County and Montgomery Township in Montgomery County. Eureka is at the intersection of Pennsylvania Route 152 and County Line Road.[1]