Population Density Comparison
Demographics

Illinois vs Indiana: Population Density

Illinois is more densely populated than Indiana.

Illinois flag
Illinois
IL • Midwest
Winner
221.2 per sq mi
Number of residents per square mile.
Indiana flag
Indiana
IN • Midwest
186.3 per sq mi
Number of residents per square mile.

Visual Comparison

Illinois 221.2 per sq mi
Indiana 186.3 per sq mi

Difference: 34.9 per sq mi — Illinois leads.

Related Context

Density in Context

Population density shapes commutes, housing costs, and the feel of daily life.

What This Means

Illinois vs Indiana: Population Density in context

Illinois has a population density of 221.2 per sq mi, compared with 186.3 per sq mi in Indiana, a gap of 18.7%. Number of residents per square mile.

Illinois
221.2 per sq mi
Indiana
186.3 per sq mi
Difference
34.9 per sq mi

People Also Ask

Illinois vs Indiana Population Density — Common Questions

Q What is Illinois's population density?

Illinois's population density is 221.2 per sq mi.

Q What is Indiana's population density?

Indiana's population density is 186.3 per sq mi.

Q Which state has a higher population density — Illinois or Indiana?

Illinois is more densely populated than Indiana.

Q How much more population density does Illinois have compared to Indiana?

34.9 per sq mi.

Sources: Core demographic data comes from the 2020 U.S. Census, with land area from U.S. Census Bureau TIGER files. Income, housing, affordability, and tax fields are maintained in our comparison dataset; purchasing-power figures use BEA Regional Price Parities. Minimum wage data comes from the U.S. Department of Labor, gas prices from AAA, and electricity rates from the U.S. Energy Information Administration. Political control and election fields use 2024 presidential results together with National Conference of State Legislatures data. Gun-law labels use the Giffords scorecard, alcohol system data comes from NABCA, and marijuana status uses NCSL's state cannabis laws tracker.