Clay County Population 2018

Clay County's estimated population is 16,170 with a growth rate of -0.95% in the past year according to the most recent United States census data. Clay County is the 46th largest county in Iowa.

Year Population Growth Growth Rate
201716,170-155-0.95%
201616,325-183-1.11%
201516,508170.10%
201416,491490.30%
201316,442-98-0.59%
201216,540-55-0.33%
201116,595-38-0.23%
201016,633-952-5.41%
199017,585-1,991-10.17%
198019,5761,1126.02%
197018,464-40-0.22%
196018,5044012.22%
195018,1033411.92%
194017,7621,65510.28%
193016,1074472.85%
192015,6602,89422.67%
191012,766-635-4.74%
190013,4014,09243.96%
18909,3095,061119.14%
18804,2482,725178.92%
18701,5231,4712828.85%
1860520.00%

Clay County Population Growth

Population Data via

Clay County Race Data

Race Population Percentage
White16,00498.97%
Two or More Races1771.09%
Black or African American1350.83%
Asian1290.80%
American Indian and Alaska Native450.28%
Native Hawaiian and Other Pacific Islander10.01%

Clay County Population Pyramid

0k0k0k0k0k1k1k Male Population0k0k0k0k0k1k1k 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