| Alleghenyville, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | Pennsylvania#USA |
| Pushpin Label: | Alleghenyville |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Berks |
| Subdivision Type3: | Township |
| Subdivision Name3: | Brecknock |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 6.78 |
| Area Land Km2: | 6.76 |
| Area Water Km2: | 0.02 |
| Population As Of: | 2020 |
| Population Total: | 1015 |
| Population Density Km2: | 150.07 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 564 |
| Coordinates: | 40.2342°N -75.9886°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 19540 |
| Area Codes: | 610 and 484 |
| Blank Name: | FIPS code |
| Blank Info: | 42-00924 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1168177 |
| Area Total Sq Mi: | 2.62 |
| Area Land Sq Mi: | 2.61 |
| Area Water Sq Mi: | 0.01 |
| Population Density Sq Mi: | 388.74 |
Alleghenyville is a census-designated place (CDP)[2] in Brecknock Township, Berks County, Pennsylvania, United States. It is located near the Lancaster County line, and is served by the Governor Mifflin School District. As of the 2020 census[3] the population was 1,015.