STI Market: St. Louis, MO-IL
About this report
STI: Markets are created by Synergos Technologies, Inc. and are based on US County boundaries. This book of reports is created from STI: PopStats Estimates for April 2025.
Population Size of Market
Of the 167 STI: Markets in the US, the St. Louis, MO-IL Market ranks 28th in overall population. Its current population is 3,222,527 as of the April 2025 PopStats estimate.
Market Geography
The reports in this book focus on the STI: Market St. Louis, MO-IL, Market ID: M135. This market is made up of the following counties and county equivalent areas.
Figure 1: Counties in the Market
Sources and Resources
STI: PopStats
This report and the other reports on this site focus on market level statistics, occasionally showing county and or Census Tract level data. If you have the need to work further with this and lower levels of data, such as Block Group, we hope you will consider our STI: PopStats data set.
Other Resources for County level
If you are looking for a free resource with county level data we recommend the Exporatory Research System (ERSYS)