Cascade County Population 2018

Cascade County's estimated population is 81,654 with a growth rate of 0.20% in the past year according to the most recent United States census data. Cascade County is the 5th largest county in Montana.

Year Population Growth Growth Rate
201781,6541660.20%
201681,488-341-0.42%
201581,829-162-0.20%
201481,991-128-0.16%
201382,1195230.64%
201281,596-78-0.10%
201181,6741830.22%
201081,4913,8004.89%
199077,691-3,005-3.72%
198080,696-1,108-1.35%
197081,8048,38611.42%
196073,41820,39138.45%
195053,02711,02826.26%
194041,9998532.07%
193041,1462,3105.95%
192038,83610,00334.69%
191028,8333,05611.86%
190025,77717,022194.43%
18908,7550.00%

Cascade County Population Growth

Population Data via

Cascade County Race Data

Race Population Percentage
White73,08989.51%
American Indian and Alaska Native3,8514.72%
Two or More Races3,0283.71%
Black or African American1,2591.54%
Asian7990.98%
Native Hawaiian and Other Pacific Islander920.11%

Cascade 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