| Sidman, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Pushpin Map: | USA Pennsylvania#USA |
| Pushpin Label: | Sidman |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location within the U.S. state of Pennsylvania |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Cambria |
| Subdivision Type3: | Township |
| Subdivision Name3: | Adams |
| Unit Pref: | Imperial |
| Area Total Km2: | 2.57 |
| Area Land Km2: | 2.57 |
| Area Water Km2: | 0.0 |
| Population As Of: | 2010 |
| Population Total: | 431 |
| Population Density Km2: | 167.8 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 1637 |
| Coordinates: | 40.3294°N -78.7469°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 15955 |
| Blank Name: | FIPS code |
| Blank Info: | 42-70640 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 1213423 |
Sidman is an unincorporated community and census-designated place in Cambria County, Pennsylvania, United States. Its ZIP code is 15955. It was part of the St. Michael-Sidman census-designated place, before it was split into two separate CDPs during the 2010 census. The population of Sidman as of the 2010 census was 431.[1]