Union County had the greatest increase in population, growing by 10.4 percent from 63,085 to 69,637 between 2020 and 2023.
Pennsylvania is ... 2020 and 2023 is Union County, with a 10.4 percent increase from 63,085 to 69,637. The data shows that the nine other fastest-growing Ohio counties between 2020 and 2023 ...