Lawrence County Flag

Lawrence County

State:
Pennsylvania
County Seat:
New Castle

Lawrence County's 2026 population is estimated at 83,593, reflecting a -0.38% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Lawrence County is the 33rd largest county in Pennsylvania. The 2010 population was 91,016 and has grown -8.16% since 2010.

83,593
Total Population
234
Population Density (mi²)
33
Population Rank (State)
-320 -0.38%
Annual Population Growth

Lawrence County Population

Demographics

Economics and Income Statistics