Richland County Population 2017

Richland County's estimated population is 11,482 with a growth rate of -3.82% in the past year according to the most recent United States census data. Richland County is the 18th largest county in Montana.

Year Population Growth Growth Rate
201611,482-456-3.82%
201511,9383783.27%
201411,5603813.41%
201311,1793783.50%
201210,8016556.46%
201110,1463974.07%
20109,749-967-9.02%
199010,716-1,527-12.47%
198012,2432,40624.46%
19709,837-667-6.35%
196010,5041381.33%
195010,3661571.54%
194010,2095765.98%
19309,6336447.16%
19208,9890.00%

Richland County Population Growth

Population Data via

Richland County Race Data

Race Population Percentage
White11,22697.77%
Two or More Races3292.87%
American Indian and Alaska Native2432.12%
Black or African American690.60%
Asian670.58%
Native Hawaiian and Other Pacific Islander40.03%

Richland County Population Pyramid

0k0k0k0k0k1kRichland County Male Population0k0k0k0k0k1kRichland County Female Population

Population of Cities in Richland County

City 2010 Census 2016 Estimated Growth Growth Rate
Sidney52746566129224.50%
Fairview8379228510.16%
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