Jefferson County Population 2017

Jefferson County's estimated population is 114,006 with a growth rate of -2.78% 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
2016114,006-3,254-2.78%
2015117,260-1,464-1.23%
2014118,724-388-0.33%
2013119,112-1,618-1.34%
2012120,7302,5692.17%
2011118,1611,5901.36%
2010116,5715,6285.07%
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
White102,96590.32%
Black or African American7,8876.92%
Two or More Races3,3592.95%
Asian1,8701.64%
American Indian and Alaska Native7890.69%
Native Hawaiian and Other Pacific Islander3900.34%

Jefferson County Population Pyramid

0k2k4k6k8kJefferson County Male Population0k2k4k6k8kJefferson County Female Population

Population of Cities in Jefferson County

City 2010 Census 2016 Estimated Growth Growth Rate
Watertown2681625900-916-3.42%
Carthage36513458-193-5.29%
Clayton19791892-87-4.40%
Adams17831769-14-0.79%
Sackets Harbor14521443-9-0.62%
Black River13501284-66-4.89%
Philadelphia12361181-55-4.45%
Brownville11251121-4-0.36%
Alexandria Bay10771063-14-1.30%
Dexter1044104730.29%
Theresa861813-48-5.57%
Cape Vincent723717-6-0.83%
Antwerp671663-8-1.19%
Chaumont626598-28-4.47%
Evans Mills611577-34-5.56%
Mannsville350347-3-0.86%
Deferiet294287-7-2.38%
Ellisburg244239-5-2.05%
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