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Missouri population by year, 1990 to 2025

Missouri edges Maryland by about 5,200 people with 6.27 million residents in 2025, and ranks 18th after being 15th in 1990.

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What the data shows

  • Missouri: 5.13M in 1990, 6.27M in 2025.

About this chart

Missouri and Maryland are almost tied. Missouri's 2025 estimate of 6,270,541 beats Maryland's 6,265,347 by about 5,200 people, which is the difference between 18th and 19th place. Missouri has grown from 5,126,370 in 1990, a gain of about 1.14 million or 22.3 percent, and every year in the series sets a record.

Missouri used to rank higher. It was 15th among the 50 states in 1990, 17th in 2000 and 18th in 2010 and 2025. Growth has been 11.8 percent since 2000 and 4.6 percent since 2010, with about 115,000 residents added between 2020 and 2025. The figures are Census Bureau resident estimates for July 1.

The data

Source: U.S. Census Bureau population estimates, July 1 (vintages 1999, 2000–2010 intercensal, 2020 and 2025), resident population of Missouri, millions. Retrieved November 4, 2026.

Population of Missouri, Residents, 1990 to 2025, 1990–2025
DateMissouri
19905.13M
19915.16M
19925.19M
19935.24M
19945.28M
19955.33M
19965.37M
19975.41M
19985.44M
19995.47M
20005.61M
20015.64M
20025.68M
20035.71M
20045.75M
20055.79M
20065.84M
20075.89M
20085.92M
20095.96M
20106.00M
20116.01M
20126.03M
20136.04M
20146.06M
20156.08M
20166.09M
20176.11M
20186.13M
20196.14M
20206.16M
20216.17M
20226.18M
20236.21M
20246.24M
20256.27M

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Frequently asked questions

What is the population of Missouri?

Missouri had about 6.27 million residents (6,270,541) in July 2025, according to Census Bureau estimates. That ranks 18th among the 50 states.

Where does Missouri rank by population?

Missouri ranks 18th in 2025, down from 15th in 1990. It sits just ahead of Maryland, which has about 6.27 million residents too.

How much has Missouri grown since 1990?

Missouri added about 1.14 million people, from 5.13 million in 1990 to 6.27 million in 2025. That is a gain of 22.3 percent.

Where does this data come from?

U.S. Census Bureau population estimates, July 1 (vintages 1999, 2000–2010 intercensal, 2020 and 2025), resident population of Missouri, millions. Retrieved November 4, 2026. You can download the full table as a CSV from this page.

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