The percent of population age 25 through 64 years by the highest level of education completed.
(2005 - 2013) U.S. Bureau of the Census, American Community Survey, 3-year estimates (B15001)
(2014 - current) U.S. Bureau of the Census, American Community Survey, 1-year estimate (B15001)
(2005 - 2013) Single year estimates should not be compared to prior 3-year estimates. The six smallest counties are not included in the ACS – Cameron, Forest, Fulton, Montour, Potter, and Sullivan. The percents used for those counties are small area (PUMA) figures.
(2014 - current) The 27 smallest counties are not included in the ACS - Bedford, Bradford, Cameron, Clarion, Clinton, Elk, Forest, Fulton, Greene, Huntingdon, Jefferson, Juniata, McKean, Mifflin, Montour, Perry, Pike, Potter, Snyder, Sullivan, Susquehanna, Tioga, Union, Venango, Warren, Wayne and Wyoming.