Simpson, Illinois

Population

Down 0.0% since 2020.

45

people, the 1278th-largest of Illinois's cities and towns.

Census Population Estimates, 2025. Rank among Illinois's cities and towns computed by the Almanac. Sources: Census Population Estimates

The seam

Cross one tract line and median rent jumps $581.

A $581 gap between neighbors, the sharpest rent edge between adjacent tracts in Johnson County.

• $674 Tract 9778
• $1,255 Tract 9776

Census ACS 5-year, 2020-2024, adjacent tracts compared by the Almanac. Tract estimates carry wide margins of error. Sources: Census ACS 5-year

Building

Most of the housing here is older than 2000.

• 78% of all homes were built before 2000

Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year

Home value

A median home costs 68% less than Illinois's.

$84,000

median home value in Simpson.

• $84,000 Simpson
• $263,300 Illinois
• $332,700 U.S.

Census ACS 5-year, 2020-2024. Survey estimates for a place this size carry wide margins of error. Sources: Census ACS 5-year