Clay County Population 2018

Clay County's estimated population is 13,269 with a growth rate of -0.32% in the past year according to the most recent United States census data. Clay County is the 80th largest county in Illinois.

Year Population Growth Growth Rate
201713,269-42-0.32%
201613,311-84-0.63%
201513,395-46-0.34%
201413,441-110-0.81%
201313,551-159-1.16%
201213,710-10-0.07%
201113,720-106-0.77%
201013,826-634-4.38%
199014,460-823-5.39%
198015,2835483.72%
197014,735-1,080-6.83%
196015,815-1,630-9.34%
195017,445-1,502-7.93%
194018,9472,79217.28%
193016,155-1,529-8.65%
192017,684-977-5.24%
191018,661-892-4.56%
190019,5532,78116.58%
189016,7725803.58%
188016,1923172.00%
187015,8756,53970.04%
18609,3365,047117.67%
18504,2891,06132.87%
18403,2282,473327.55%
18307550.00%

Clay County Population Growth

Population Data via

Clay County Race Data

Race Population Percentage
White13,04798.33%
Two or More Races1310.99%
Asian1000.75%
Black or African American670.50%
American Indian and Alaska Native330.25%
Native Hawaiian and Other Pacific Islander0.00%

Clay County Population Pyramid

0k0k0k0k0k1k Male Population0k0k0k0k0k1k 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