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Ohio vs Michigan population, 1990 to 2025

Ohio leads Michigan in 2025 population: 11,900,510 vs 10,127,884. Compare annual state data from 1990.

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What the data shows

  • Ohio: 10.9M in 1990, 11.9M in 2025.
  • Michigan: 9.3M in 1990, 10.1M in 2025.

About this chart

Ohio had the larger population in 2025: 11,900,510 versus 10,127,884 for Michigan, a gap of 1,772,626. Over the full period from 1990, Ohio grew by 9.6%, while Michigan grew by 8.8%. Ohio was ahead in 1990 and remained ahead at every annual observation in the displayed series. The comparison uses the same reference year for both states.

The Census series compares July 1 resident populations for Ohio and Michigan. In 1990, their counts were 10,861,837 and 9,310,462, respectively. Estimates from different Census vintages are joined across decades, and revisions can affect the measured trend. These state totals include residents throughout each state rather than only its cities. They describe the scale and direction of population change but do not, on their own, separate births, deaths and migration.

The data

Source: U.S. Census Bureau population estimates, July 1 (vintages 1999, 2000–2010 intercensal, 2020 and 2025), people. Retrieved November 5, 2026. July 1 resident population estimates. Different Census vintages are joined across decades; revisions can affect comparisons.

Ohio vs Michigan population, Resident population, 1990 to 2025, 1990–2025
DateOhioMichigan
199010.9M9.3M
199110.9M9.4M
199211M9.5M
199311.1M9.5M
199411.1M9.6M
199511.2M9.7M
199611.2M9.7M
199711.2M9.8M
199811.2M9.8M
199911.3M9.9M
200011.4M10M
200111.4M10M
200211.4M10M
200311.4M10M
200411.5M10.1M
200511.5M10.1M
200611.5M10M
200711.5M10M
200811.5M9.9M
200911.5M9.9M
201011.5M9.9M
201111.5M9.9M
201211.6M9.9M
201311.6M9.9M
201411.6M9.9M
201511.6M9.9M
201611.6M10M
201711.7M10M
201811.7M10M
201911.7M10M
202011.8M10.1M
202111.8M10M
202211.8M10M
202311.8M10.1M
202411.9M10.1M
202511.9M10.1M

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Frequently asked questions

Which has a larger population, Ohio or Michigan?

Ohio had the larger population in 2025, at 11,900,510 compared with 10,127,884 for Michigan. The gap was 1,772,626 residents.

How have Ohio and Michigan changed since 1990?

Ohio moved from 10,861,837 to 11,900,510, a 9.6% increase. Michigan moved from 9,310,462 to 10,127,884, a 8.8% increase.

What exactly is being compared?

Census July 1 resident population estimates for the two whole states. The series combines Census vintages and does not isolate the causes of population change.

Where does this data come from?

U.S. Census Bureau population estimates, July 1 (vintages 1999, 2000–2010 intercensal, 2020 and 2025), people. Retrieved November 5, 2026. July 1 resident population estimates. Different Census vintages are joined across decades; revisions can affect comparisons. You can download the full table as a CSV from this page.

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