Byrnes Mill is a city located in Missouri. With a 2020 population of 3,008, it is the 186th largest city in Missouri and the 6248th largest city in the United States. Byrnes Mill is currently growing at a rate of 0.20% annually and its population has increased by 8.16% since the most recent census, which recorded a population of 2,781 in 2010. Spanning over 5 miles, Byrnes Mill has a population density of 587 people per square mile.
The average household income in Byrnes Mill is $85,530 with a poverty rate of 7.95%. The median rental costs in recent years comes to $876 per month, and the median house value is $226,700. The median age in Byrnes Mill is 41.8 years, 42.9 years for males, and 40.6 years for females. For every 100 females there are 103.7 males.