| Lamar, Pennsylvania | |
| Settlement Type: | Census-designated place |
| Mapsize: | 260px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Pennsylvania |
| Subdivision Type2: | County |
| Subdivision Name2: | Clinton |
| Subdivision Type3: | Township |
| Subdivision Name3: | Porter |
| Unit Pref: | Imperial |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.92 |
| Area Land Km2: | 2.89 |
| Area Water Km2: | 0.03 |
| Population As Of: | 2020 |
| Population Footnotes: | [2] |
| Population Total: | 561 |
| Population Density Km2: | 194.32 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 795 |
| Coordinates: | 41.015°N -77.5306°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 16848 |
| Blank Name: | FIPS code |
| Blank Info: | 42-41104 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2634235 |
| Area Total Sq Mi: | 1.13 |
| Area Land Sq Mi: | 1.11 |
| Area Water Sq Mi: | 0.01 |
| Population Density Sq Mi: | 503.14 |
Lamar is a census-designated place[3] in Porter Township in southern Clinton County, Pennsylvania, United States. As of the 2010 census the population was 562.[4]
The community is located along Pennsylvania Route 64 in southern Clinton County and is bordered on the west by Nittany in Walker Township, Centre County. PA 64 leads northeast 1miles to Exit 173 on Interstate 80 and to Lock Haven, the Clinton County seat, and southwest through Nittany to State College.
The community is named for Revolutionary War Major Marien Lamar, who was killed in the Battle of Paoli, as stated in the "History of Centre and Clinton Counties, Pennsylvania" by John Blair Linn. Major Lamar was born in Maryland.