Flathead County Population 2018

Flathead County's estimated population is 100,000 with a growth rate of 2.36% in the past year according to the most recent United States census data. Flathead County is the 4th largest county in Montana.

Year Population Growth Growth Rate
2017100,0002,3072.36%
201697,6931,9552.04%
201595,7381,2701.34%
201494,4681,6331.76%
201392,8351,2591.37%
201291,5763400.37%
201191,2363830.42%
201090,85331,63553.42%
199059,2187,25213.96%
198051,96612,50631.69%
197039,4606,49519.70%
196032,9651,4704.67%
195031,4957,22429.76%
194024,2715,07126.41%
193019,200-2,505-11.54%
192021,7052,92015.54%
191018,7859,410100.37%
19009,3750.00%

Flathead County Population Growth

Population Data via

Flathead County Race Data

Race Population Percentage
White91,60591.61%
Two or More Races2,1402.14%
American Indian and Alaska Native1,2491.25%
Asian6560.66%
Black or African American3590.36%
Native Hawaiian and Other Pacific Islander700.07%

Flathead 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