Jefferson County Population 2018

Jefferson County's estimated population is 43,804 with a growth rate of -0.34% in the past year according to the most recent United States census data. Jefferson County is the 50th largest county in Pennsylvania.

Year Population Growth Growth Rate
201743,804-151-0.34%
201643,955-285-0.64%
201544,240-237-0.53%
201444,477-337-0.75%
201344,814390.09%
201244,775-124-0.28%
201144,899-263-0.58%
201045,162-921-2.00%
199046,083-2,220-4.60%
198048,3034,60810.55%
197043,695-3,097-6.62%
196046,792-2,355-4.79%
195049,147-4,943-9.14%
194054,0901,9763.79%
193052,114-9,990-16.09%
192062,104-986-1.56%
191063,0903,9776.73%
190059,11315,10834.33%
189044,00516,07057.53%
188027,9356,27928.99%
187021,6563,38618.53%
186018,2704,75235.15%
185013,5186,26586.38%
18407,2535,228258.17%
18302,0251,464260.96%
1820561400248.45%
18101610.00%

Jefferson County Population Growth

Population Data via

Jefferson County Race Data

Race Population Percentage
White43,52599.36%
Two or More Races4270.97%
Black or African American2250.51%
Asian1220.28%
American Indian and Alaska Native1060.24%
Native Hawaiian and Other Pacific Islander50.01%

Jefferson County Population Pyramid

0k1k1k2k2k Male Population0k1k1k2k2k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990