Big Sandy is a city located in Montana. With a 2020 population of 573, it is the 79th largest city in Montana and the 12740th largest city in the United States. Big Sandy is currently declining at a rate of -0.87% annually and its population has decreased by -4.18% since the most recent census, which recorded a population of 598 in 2010. Big Sandy reached it's highest population of 612 in 2012. Spanning over 0 miles, Big Sandy has a population density of 1,202 people per square mile.
The average household income in Big Sandy is $54,160 with a poverty rate of 15.37%. The median rental costs in recent years comes to $356 per month, and the median house value is $94,700. The median age in Big Sandy is 46.8 years, 51.4 years for males, and 42.3 years for females. For every 100 females there are 98.9 males.