Marthasville is a city located in Missouri. With a 2020 population of 1,207, it is the 312th largest city in Missouri and the 9551st largest city in the United States. Marthasville is currently growing at a rate of 1.00% annually and its population has increased by 6.25% since the most recent census, which recorded a population of 1,136 in 2010. Spanning over 1 miles, Marthasville has a population density of 1,413 people per square mile.
The average household income in Marthasville is $69,912 with a poverty rate of 6.40%. The median rental costs in recent years comes to $817 per month, and the median house value is $139,800. The median age in Marthasville is 34.7 years, 36 years for males, and 31.5 years for females. For every 100 females there are 93.6 males.