STI Market: Springfield-Decatur, 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 July 2024.

Population Size of Market

Of the 167 STI: Markets in the US, the Springfield-Decatur, IL Market ranks 146th in overall population. Its current population is 502,266 as of the July 2024 PopStats estimate.

Market Geography

The reports in this book focus on the STI: Market Springfield-Decatur, IL, Market ID: M119. This market is made up of the following counties and county equivalent areas.

Figure 1: Counties in the Market

Relative County Population Size

Figure 2: Relative County Population Size in Market

Population Growth/Decline