ZIP Code 62985
About Simpson
Simpson is a village in Johnson County, Illinois, United States. As of the 2020 census, Simpson had a population of 44.
From Wikipedia — text licensed CC BY-SA 4.0.
Area Profile
US Census (ACS 5-year · Gazetteer)
1,108
population
$69,750
median household income
15
people / sq mi
$156,300
median home value
43.9
median age
509
housing units
293
households
74.4
land area (sq mi)