Brown County Population 2018

Brown County's estimated population is 39,178 with a growth rate of 0.67% in the past year according to the most recent United States census data. Brown County is the 4th largest county in South Dakota.

Year Population Growth Growth Rate
201739,1782600.67%
201638,9184131.07%
201538,5051520.40%
201438,3531240.32%
201338,2296641.77%
201237,5655991.62%
201136,9663120.85%
201036,6541,0743.02%
199035,580-1,382-3.74%
198036,962420.11%
197036,9202,8148.25%
196034,1061,4894.57%
195032,6172,9419.91%
194029,676-1,782-5.66%
193031,4581,9496.60%
192029,5093,64214.08%
191025,86710,58169.22%
190015,286-1,569-9.31%
189016,85516,5024674.79%
18803530.00%

Brown County Population Growth

Population Data via

Brown County Race Data

Race Population Percentage
White35,14689.71%
American Indian and Alaska Native1,2853.28%
Asian9332.38%
Two or More Races6961.78%
Black or African American5751.47%
Native Hawaiian and Other Pacific Islander640.16%

Brown 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