Onondaga County Population 2018

Onondaga County's estimated population is 465,398 with a growth rate of -0.27% in the past year according to the most recent United States census data. Onondaga County is the 11th largest county in New York.

Year Population Growth Growth Rate
2017465,398-1,237-0.27%
2016466,635-1,598-0.34%
2015468,233-594-0.13%
2014468,827-424-0.09%
2013469,2511,6050.34%
2012467,646-259-0.06%
2011467,9053340.07%
2010467,571-1,402-0.30%
1990468,9735,0531.09%
1980463,920-8,826-1.87%
1970472,74649,71811.75%
1960423,02881,30923.79%
1950341,71946,61115.79%
1940295,1083,5021.20%
1930291,60650,14120.77%
1920241,46541,16720.55%
1910200,29831,56318.71%
1900168,73522,48815.38%
1890146,24728,35424.05%
1880117,89313,71013.16%
1870104,18313,49714.88%
186090,6864,7965.58%
185085,89017,97926.47%
184067,9118,93815.16%
183058,97317,50642.22%
182041,46715,48059.57%
181025,98718,289237.58%
18007,6980.00%

Onondaga County Population Growth

Population Data via

Onondaga County Race Data

Race Population Percentage
White377,06181.02%
Black or African American54,98511.81%
Asian18,0513.88%
Two or More Races13,6542.93%
American Indian and Alaska Native4,2940.92%
Native Hawaiian and Other Pacific Islander2300.05%

Onondaga County Population Pyramid

0k5k10k15k Male Population0k5k10k15k 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