Lake County Population 2018

Lake County's estimated population is 30,273 with a growth rate of 1.89% in the past year according to the most recent United States census data. Lake County is the 9th largest county in Montana.

Year Population Growth Growth Rate
201730,2735621.89%
201629,7112951.00%
201529,4162780.95%
201429,138870.30%
201329,051370.13%
201229,014460.16%
201128,9681820.63%
201028,7867,74536.81%
199021,0411,98510.42%
198019,0564,61131.92%
197014,4451,34110.23%
196013,104-731-5.28%
195013,8353452.56%
194013,4903,94941.39%
19309,5410.00%

Lake County Population Growth

Population Data via

Lake County Race Data

Race Population Percentage
White19,82365.48%
American Indian and Alaska Native7,22323.86%
Two or More Races2,0976.93%
Asian1610.53%
Black or African American1290.43%
Native Hawaiian and Other Pacific Islander330.11%

Lake County Population Pyramid

0k0k0k1k1k1k1k Male Population0k0k0k1k1k1k1k 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