Jefferson County Population 2018

Jefferson County's estimated population is 114,187 with a growth rate of 0.09% in the past year according to the most recent United States census data. Jefferson County is the 25th largest county in New York.

Year Population Growth Growth Rate
2017114,1871030.09%
2016114,084-2,217-1.91%
2015116,301-2,743-2.30%
2014119,044-175-0.15%
2013119,219-2,230-1.84%
2012121,4493,6433.09%
2011117,8061,2051.03%
2010116,6015,6585.10%
1990110,94322,79225.86%
198088,151-357-0.40%
197088,5086730.77%
196087,8352,3142.71%
195085,5211,5181.81%
194084,0034290.51%
193083,5741,3241.61%
192082,2501,8682.32%
191080,3823,6344.73%
190076,7487,94211.54%
189068,8062,7034.09%
188066,1036881.05%
187065,415-4,410-6.32%
186069,8251,6722.45%
185068,1537,16911.76%
184060,98412,49125.76%
183048,49315,54147.16%
182032,95217,812117.65%
181015,1400.00%

Jefferson County Population Growth

Population Data via

Jefferson County Race Data

Race Population Percentage
White102,96590.17%
Black or African American7,8876.91%
Two or More Races3,3592.94%
Asian1,8701.64%
American Indian and Alaska Native7890.69%
Native Hawaiian and Other Pacific Islander3900.34%

Jefferson County Population Pyramid

0k2k4k6k8k Male Population0k2k4k6k8k 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