Population Density Comparison
Demographics

Illinois vs Wisconsin: Population Density

Illinois is more densely populated than Wisconsin.

Illinois flag
Illinois
IL • Midwest
Winner
221.2 per sq mi
Number of residents per square mile.
Wisconsin flag
Wisconsin
WI • Midwest
90.0 per sq mi
Number of residents per square mile.

Visual Comparison

Illinois 221.2 per sq mi
Wisconsin 90.0 per sq mi

Difference: 131.2 per sq mi — Illinois leads.

Related Context

Density in Context

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

Metric
Illinois
Wisconsin
Population
12,812,508
5,893,718
Land Area
57,914 sq mi
65,496 sq mi
Median Home Value
$247,500
$237,300
Violent Crime / 100k
390.5
295.8
Cost of Living Index
95.2
95.5

What This Means

Illinois vs Wisconsin: Population Density in context

Illinois has a population density of 221.2 per sq mi, compared with 90.0 per sq mi in Wisconsin — roughly 2.5× the Wisconsin figure. Number of residents per square mile.

Illinois
221.2 per sq mi
Wisconsin
90.0 per sq mi
Difference
131.2 per sq mi

People Also Ask

Illinois vs Wisconsin Population Density — Common Questions

Q What is Illinois's population density?

Illinois's population density is 221.2 per sq mi.

Q What is Wisconsin's population density?

Wisconsin's population density is 90.0 per sq mi.

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

Illinois is more densely populated than Wisconsin.

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

131.2 per sq mi.

More Comparisons: Illinois vs Wisconsin

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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.