Clay County Population 2018

Clay County's estimated population is 13,990 with a growth rate of 0.37% in the past year according to the most recent United States census data. Clay County is the 15th largest county in South Dakota.

Year Population Growth Growth Rate
201713,990520.37%
201613,9381481.07%
201513,790-111-0.80%
201413,901-13-0.09%
201313,914-133-0.95%
201214,047600.43%
201113,9871571.14%
201013,8306444.88%
199013,186-503-3.67%
198013,6897665.93%
197012,9232,11319.55%
196010,810-183-1.66%
195010,9931,40114.61%
19409,592-496-4.92%
193010,0884344.50%
19209,65494310.83%
19108,711-605-6.49%
19009,3161,80724.06%
18907,5092,50850.15%
18805,0012,38090.81%
18702,6210.00%

Clay County Population Growth

Population Data via

Clay County Race Data

Race Population Percentage
White12,65390.44%
American Indian and Alaska Native4283.06%
Asian3432.45%
Two or More Races2832.02%
Black or African American2331.67%
Native Hawaiian and Other Pacific Islander110.08%

Clay County Population Pyramid

0k1k1k2k Male Population0k1k1k2k 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