Clay County Population 2017

Clay County's estimated population is 239,085 with a growth rate of 1.53% 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
2016239,0853,6141.53%
2015235,4712,2470.96%
2014233,2242,8591.24%
2013230,3652,8351.25%
2012227,5302,4471.09%
2011225,0832,3751.07%
2010222,70869,29745.17%
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
White207,06686.61%
Black or African American14,6166.11%
Two or More Races6,0762.54%
Asian5,5532.32%
American Indian and Alaska Native1,4130.59%
Native Hawaiian and Other Pacific Islander7470.31%

Clay County Population Pyramid

0k2k4k6k8kClay County Male Population0k2k4k6k8kClay County Female Population

Population of Cities in Clay County

City 2010 Census 2016 Estimated Growth Growth Rate
Kansas City459939481420214814.67%
Liberty291553061414595.00%
Excelsior Springs11084115224383.95%
Kearney83759790141516.90%
Smithville83849455107112.77%
Holt459477183.92%
Missouri City27027993.33%
Mosby19120094.71%
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