Olney is a city located in Maryland. Olney has a 2020 population of 35,280. Olney is currently declining at a rate of 0.00% annually and its population has increased by 4.24% since the most recent census, which recorded a population of 33,844 in 2010. Olney reached it's highest population of 35,766 in 2017.
The average household income in Olney is $164,371 with a poverty rate of 2.80%. The median rental costs in recent years comes to $1,806 per month, and the median house value is $497,600. The median age in Olney is 42.1 years, 40.8 years for males, and 43.4 years for females. For every 100 females there are 94.2 males.