| Allison, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Label: | Allison |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Fayette |
| Subdivision Type3: | Townships |
| Subdivision Name3: | Luzerne, Redstone |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 1.75 |
| Area Land Km2: | 1.74 |
| Area Water Km2: | 0.01 |
| Population As Of: | 2020 |
| Population Total: | 503 |
| Population Density Km2: | 288.52 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 980 |
| Coordinates: | 39.9872°N -79.8694°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 15413 |
| Blank Name: | FIPS code |
| Blank Info: | 42-02040 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1192067 |
| Area Total Sq Mi: | 0.68 |
| Area Land Sq Mi: | 0.67 |
| Area Water Sq Mi: | 0.00 |
| Population Density Sq Mi: | 747.40 |
Allison is an unincorporated community and census-designated place (CDP), which is located in Luzerne and Redstone townships in Fayette County, Pennsylvania, United States. It is situated 3miles south of the borough of Brownsville.
As of the 2010 census, the population was 625.[2] The CDP includes the neighborhood of Allison Heights in Luzerne Township.
Dunlap Creek flows through the center of the CDP, forming the border between Luzerne and Redstone townships.
Between the time of the 2010 and 2020 federal census counts, the population declined to 503.[3] [4]