Gallatin County Population 2017

Gallatin County's estimated population is 104,502 with a growth rate of 3.74% in the past year according to the most recent United States census data. Gallatin County is the 3rd largest county in Montana.

Year Population Growth Growth Rate
2016104,5023,7663.74%
2015100,7363,4143.51%
201497,3222,6852.84%
201394,6372,0422.21%
201292,5951,2421.36%
201191,3531,7221.92%
201089,63139,16877.62%
199050,4637,59817.73%
198042,86510,36031.87%
197032,5056,46024.80%
196026,0454,14318.92%
195021,9023,63319.89%
194018,2692,14513.30%
193016,1242601.64%
192015,8641,78512.68%
191014,0794,52647.38%
19009,5533,30752.95%
18906,2462,60371.45%
18803,6432,065130.86%
18701,5780.00%

Gallatin County Population Growth

Population Data via

Gallatin County Race Data

Race Population Percentage
White95,92791.79%
Two or More Races1,8881.81%
Asian1,3601.30%
American Indian and Alaska Native1,0150.97%
Black or African American4410.42%
Native Hawaiian and Other Pacific Islander1050.10%

Gallatin County Population Pyramid

0k2k4k6k8kGallatin County Male Population0k2k4k6k8kGallatin County Female Population

Population of Cities in Gallatin County

City 2010 Census 2016 Estimated Growth Growth Rate
Bozeman3728345250796721.37%
Belgrade7458825479610.67%
Three Forks18661944784.18%
Manhattan1517169117411.47%
West Yellowstone12711353826.45%
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