| Boston, Pennsylvania | |
| Settlement Type: | CDP |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Allegheny |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 0.94 |
| Area Land Km2: | 0.85 |
| Area Water Km2: | 0.09 |
| Population As Of: | 2020 |
| Population Total: | 549 |
| Population Density Km2: | 644.23 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 15135 |
| Blank Name: | FIPS code |
| Blank Info: | 42-07688 |
| Blank1 Name: | GNIS feature ID |
| Area Total Sq Mi: | 0.36 |
| Area Land Sq Mi: | 0.33 |
| Area Water Sq Mi: | 0.04 |
| Population Density Sq Mi: | 1668.69 |
Boston (occasionally referred to as "Little Boston" to distinguish it from the Massachusetts capital city) is a census-designated place[2] located in Elizabeth Township, Allegheny County in the state of Pennsylvania. As of the 2020 census[3] the population was 549.