Dewey County Population 2018

Dewey County's estimated population is 5,835 with a growth rate of 1.06% in the past year according to the most recent United States census data. Dewey County is the 30th largest county in South Dakota.

Year Population Growth Growth Rate
20175,835611.06%
20165,774761.33%
20155,698380.67%
20145,660801.43%
20135,580490.89%
20125,5311332.46%
20115,398721.35%
20105,326-197-3.57%
19905,5231572.93%
19805,3661963.79%
19705,170-87-1.65%
19605,2573416.94%
19504,916-793-13.89%
19405,709-767-11.84%
19306,4761,67434.86%
19204,8023,657319.39%
19101,1451,0992389.13%
1880460.00%

Dewey County Population Growth

Population Data via

Dewey County Race Data

Race Population Percentage
American Indian and Alaska Native4,19871.95%
White1,23221.11%
Two or More Races2313.96%
Black or African American270.46%
Asian130.22%
Native Hawaiian and Other Pacific Islander0.00%

Dewey County Population Pyramid

0k0k0k0k0k Male Population0k0k0k0k0k 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