Clay County Population 2018

Clay County's estimated population is 242,874 with a growth rate of 1.72% in the past year according to the most recent United States census data. Clay County is the 6th largest county in Missouri.

Year Population Growth Growth Rate
2017242,8744,1121.72%
2016238,7623,5091.49%
2015235,2532,1590.93%
2014233,0942,7381.19%
2013230,3562,7881.23%
2012227,5682,4011.07%
2011225,1672,4851.12%
2010222,68269,27145.15%
1990153,41116,92312.40%
1980136,48813,16610.68%
1970123,32235,84840.98%
196087,47442,25393.44%
195045,22114,80448.67%
194030,4173,60613.45%
193026,8116,35631.07%
192020,4551530.75%
191020,3021,3997.40%
190018,903-953-4.80%
189019,8564,28427.51%
188015,57280.05%
187015,5642,54119.51%
186013,0232,69126.05%
185010,3322,05024.75%
18408,2822,94455.15%
18305,3380.00%

Clay County Population Growth

Population Data via

Clay County Race Data

Race Population Percentage
White207,06685.26%
Black or African American14,6166.02%
Two or More Races6,0762.50%
Asian5,5532.29%
American Indian and Alaska Native1,4130.58%
Native Hawaiian and Other Pacific Islander7470.31%

Clay 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