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Maryland population by year, 1990 to 2025

Maryland has added 1.47 million people since 1990, reaching 6.27 million in 2025, and has ranked 19th among the states in every benchmark year.

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What the data shows

  • Maryland: 4.80M in 1990, 6.27M in 2025.

About this chart

Maryland is unusually stable in the rankings. It was 19th among the 50 states in 1990, 2000, 2010 and 2025, even as its population rose from 4,797,431 to 6,265,347. That works out to a gain of about 1.47 million people, or 30.6 percent. That is a faster gain than Pennsylvania (9.8 percent) or Ohio (9.6 percent) managed over the same years.

Growth has been gradual and has slowed. Maryland is up 18.0 percent since 2000 and 8.2 percent since 2010. The 2020 estimate of about 6.18 million stepped up from 6.06 million a year earlier, and the state has added only about 87,000 more people since then. 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 Maryland, millions. Retrieved November 4, 2026.

Population of Maryland, Residents, 1990 to 2025, 1990–2025
DateMaryland
19904.80M
19914.86M
19924.90M
19934.94M
19944.99M
19955.02M
19965.06M
19975.09M
19985.13M
19995.17M
20005.31M
20015.38M
20025.44M
20035.50M
20045.55M
20055.59M
20065.63M
20075.65M
20085.69M
20095.73M
20105.79M
20115.84M
20125.89M
20135.93M
20145.96M
20155.99M
20166.01M
20176.03M
20186.04M
20196.06M
20206.18M
20216.18M
20226.18M
20236.21M
20246.25M
20256.27M

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Frequently asked questions

What is the population of Maryland?

Maryland had about 6.27 million residents (6,265,347) in July 2025, according to Census Bureau estimates. That ranks 19th among the 50 states.

Has Maryland's rank changed?

No. Maryland was 19th in 1990, 2000, 2010 and 2025, because its growth has tracked the national average.

How fast is Maryland growing?

Maryland is up 18.0 percent since 2000 and 8.2 percent since 2010. Growth between 2020 and 2025 was 1.4 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 Maryland, millions. Retrieved November 4, 2026. You can download the full table as a CSV from this page.

Can I turn this chart into a video?

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