Clay County Population 2017

Clay County's estimated population is 16,333 with a growth rate of -0.96% 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
201616,333-158-0.96%
201516,491-18-0.11%
201416,509290.18%
201316,480-96-0.58%
201216,576-34-0.20%
201116,610-24-0.14%
201016,634-951-5.41%
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
White16,00497.99%
Two or More Races1771.08%
Black or African American1350.83%
Asian1290.79%
American Indian and Alaska Native450.28%
Native Hawaiian and Other Pacific Islander10.01%

Clay County Population Pyramid

0k0k0k0k0k1k1kClay County Male Population0k0k0k0k0k1k1kClay County Female Population

Population of Cities in Clay County

City 2010 Census 2016 Estimated Growth Growth Rate
Spencer1124111138-103-0.92%
Everly596571-25-4.19%
Royal446417-29-6.50%
Peterson332310-22-6.63%
Fostoria244235-9-3.69%
Dickens185179-6-3.24%
Webb141136-5-3.55%
Greenville7572-3-4.00%
Gillett Grove494900.00%
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