Pennington County Population 2018

Pennington County's estimated population is 110,141 with a growth rate of 1.14% in the past year according to the most recent United States census data. Pennington County is the 2nd largest county in South Dakota.

Year Population Growth Growth Rate
2017110,1411,2381.14%
2016108,9037960.74%
2015108,1075640.52%
2014107,5431,6091.52%
2013105,9341,7521.68%
2012104,1821,8001.76%
2011102,3821,1401.13%
2010101,24219,89924.46%
199081,34310,98215.61%
198070,36111,01218.55%
197059,3491,1541.98%
196058,19524,14270.90%
195034,05310,25443.09%
194023,7993,72018.53%
193020,0797,35957.85%
192012,7202672.14%
191012,4536,843121.98%
19005,610-930-14.22%
18906,5404,296191.44%
18802,2440.00%

Pennington County Population Growth

Population Data via

Pennington County Race Data

Race Population Percentage
White90,79282.43%
American Indian and Alaska Native11,06510.05%
Two or More Races3,9353.57%
Black or African American1,4311.30%
Asian1,2431.13%
Native Hawaiian and Other Pacific Islander950.09%

Pennington County Population Pyramid

0k1k2k3k4k Male Population0k1k2k3k4k 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