Clearfield County, Pennsylvania Population 2019
Clearfield County, Pennsylvania's estimated population is 79,775 with a growth rate of -0.50% in the past year according to the most recent United States census data. Clearfield County, Pennsylvania is the 36th largest county in Pennsylvania.
| Year | Population | Growth | Growth Rate |
| 2018 | 79,388 | -387 | -0.49% |
| 2017 | 79,775 | -403 | -0.50% |
| 2016 | 80,178 | -539 | -0.67% |
| 2015 | 80,717 | -303 | -0.37% |
| 2014 | 81,020 | -415 | -0.51% |
| 2013 | 81,435 | 29 | 0.04% |
| 2012 | 81,406 | -24 | -0.03% |
| 2011 | 81,430 | -123 | -0.15% |
| 2010 | 81,553 | 3,456 | 4.43% |
| 1990 | 78,097 | -5,481 | -6.56% |
| 1980 | 83,578 | 8,959 | 12.01% |
| 1970 | 74,619 | -6,915 | -8.48% |
| 1960 | 81,534 | -4,423 | -5.15% |
| 1950 | 85,957 | -6,137 | -6.66% |
| 1940 | 92,094 | 5,367 | 6.19% |
| 1930 | 86,727 | -16,509 | -15.99% |
| 1920 | 103,236 | 9,468 | 10.10% |
| 1910 | 93,768 | 13,154 | 16.32% |
| 1900 | 80,614 | 11,049 | 15.88% |
| 1890 | 69,565 | 26,157 | 60.26% |
| 1880 | 43,408 | 17,667 | 68.63% |
| 1870 | 25,741 | 6,982 | 37.22% |
| 1860 | 18,759 | 6,173 | 49.05% |
| 1850 | 12,586 | 4,752 | 60.66% |
| 1840 | 7,834 | 3,031 | 63.11% |
| 1830 | 4,803 | 2,461 | 105.08% |
| 1820 | 2,342 | 1,467 | 167.66% |
| 1810 | 875 | 0.00% |