Karns City Flag

Karns City

County:
Butler County
County Seat:
No
Area (mi²):
0.363
State:
Pennsylvania

Karns City is a borough located in Butler County, Pennsylvania. Karns City has a 2026 population of 166. Karns City is currently declining at a rate of -0.6% annually and its population has decreased by -3.49% since the most recent census, which recorded a population of 172 in 2020.

166
Total Population
458
Density (mi²)
-1 -0.6%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)