Olney is a city located in Montana. Olney has a 2020 population of 225. Olney is currently declining at a rate of 0.00% annually and its population has increased by 17.80% since the most recent census, which recorded a population of 191 in 2010. Olney reached it's highest population of 225 in 2018.
The average household income in Olney is $73,697 with a poverty rate of 5.33%. The median rental costs in recent years comes to $813 per month, and the median house value is -. The median age in Olney is 37.6 years, 17.8 years for males, and 40.8 years for females. For every 100 females there are 127.3 males.