St. Louis County, MO has a population of 998,581 people with a median age of 40.3 and a median household income of $62,572. Between 2015 and 2016 the population of St. Louis County, MO declined from 1M to 998,581, a 0.48% decrease and its median household income grew from $61,516 to $62,572, a 1.72% increase.
The population of St. Louis County, MO is 66.4% White, 23.9% Black, and 3.98% Asian. 9.6% of the people in St. Louis County, MO speak a non-English language, and 96.7% are U.S. citizens.
The largest universities in St. Louis County, MO are Webster University, with 6,336 graduates, Washington University in St Louis, with 4,774 graduates, and University of Missouri-St Louis, with 3,267 graduates.
The median property value in St. Louis County, MO is $189,300, and the homeownership rate is 67.6%. Most people in St. Louis County, MO commute by Drove Alone, and the average commute time is 23.6 minutes. The average car ownership in St. Louis County, MO is 2 cars per household.
St. Louis County, MO is the 1st most populated county in Missouri and borders Madison County, IL; Monroe County, IL; St. Clair County, IL; Franklin County, MO; Jefferson County, MO; St. Charles County, MO; St. Louis city, MO& 2 more.