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Illinois and Ohio, compared

Illinois had 12,719,141 people on July 1, 2025, and Ohio 11,900,510, in the Census Bureau’s estimates.

Side by side

Illinois and Ohio: population and change, July 2020 to July 2025
MeasureIllinoisOhio
Population, July 2025The Census Bureau's Vintage 2025 estimate.12,719,14111,900,510
Change since July 2020As a share of the first July.−0.6%+0.9%
Births less deathsOver the five full years to July 2025.+38,983−44,281
Moves from abroadNet international migration, as the Bureau estimates it.+313,184+176,435
Moves from other statesNet domestic migration.−431,149−27,732
Median ageAmerican Community Survey, 2020–2024.39.0±0.139.7±0.2
Median household incomeIn the dollars of the survey’s last year.$83,390±$362$71,389±$321
Below the poverty lineShare of the people whose poverty status is determined.11.8%±0.1%13.3%±0.2%
Born abroadShare of residents born outside the United States.14.7%±0.1%5.2%±0.1%

Each on its own

Data retrieved

Sources