Adams County Population 2017

Adams County's estimated population is 66,578 with a growth rate of -0.59% in the past year according to the most recent United States census data. Adams County is the 23rd largest county in Illinois.

Year Population Growth Growth Rate
201666,578-396-0.59%
201566,974-57-0.09%
201467,031340.05%
201366,997-167-0.25%
201267,164-43-0.06%
201167,207520.08%
201067,1551,0651.61%
199066,090-5,532-7.72%
198071,6227611.07%
197070,8612,3943.50%
196068,4673,7775.84%
195064,690-539-0.83%
194065,2292,4453.89%
193062,7845960.96%
192062,188-2,400-3.72%
191064,588-2,470-3.68%
190067,0585,1708.35%
189061,8882,7534.66%
188059,1352,7734.92%
187056,36215,03936.39%
186041,32314,81555.89%
185026,50812,03283.12%
184014,47612,290562.21%
18302,1860.00%

Adams County Population Growth

Population Data via

Adams County Race Data

Race Population Percentage
White62,56293.97%
Black or African American2,5063.76%
Two or More Races1,2091.82%
Asian5310.80%
American Indian and Alaska Native1500.23%
Native Hawaiian and Other Pacific Islander160.02%

Adams County Population Pyramid

0k1k1k2k2k3kAdams County Male Population0k1k1k2k2k3kAdams County Female Population

Population of Cities in Adams County

City 2010 Census 2016 Estimated Growth Growth Rate
Quincy4063640531-105-0.26%
Camp Point11321114-18-1.59%
Payson10261004-22-2.14%
Mendon953942-11-1.15%
Clayton709739304.23%
Golden644635-9-1.40%
Ursa626618-8-1.28%
Liberty516510-6-1.16%
Loraine313309-4-1.28%
Plainville264261-3-1.14%
Lima161159-2-1.24%
Coatsburg147145-2-1.36%
La Prairie4746-1-2.13%
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