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Foto: NASA Earth Observatory/NOAA NGDC

Mississippi: population and ages

2,95 Millionen people lived in Mississippi on 1 July 2025, by the US Census Bureau’s estimate.

Half of them were younger than 39,6 years. For the United States as a whole, the median age was 39,4.

Since 1 July 2020, the population has fallen by 0,1 %, or 4.225 people. The United States changed by +3,1 % in the same years.

  • Median age39,6
  • Under 1822,3 %
  • 65 and over19,3 %
  • Rank by population35 of 51
  • Change since 2020-0,1 %
Population pyramid, Mississippi, 1 July 2025MännlichWeiblich0102030405060708085+020.00020.00040.00040.000
Population pyramid, Mississippi, 1 July 2025

You in Mississippi

Choose Mississippi as your state, next to the United States, in Your life and in the age tools: your age among the people who live there, and the generations they belong to.

Population, 2010 to 2025

Population on 1 July01 Mio.2 Mio.3 Mio.2010201520202025
2025 Mississippi: 3 Mio.

Estimates for 2010 to 2019 are based on the 2010 census, those from 2020 on the 2020 census. The Census Bureau does not join the two series, so part of any step between 2019 and 2020 comes from the new base, not from a change in population.

Ages

In 2025, 22,3 % of the people in Mississippi were under 18 and 19,3 % were 65 or older. For the United States: 21,1 % and 18,9 %.

Median age on 1 July0,010,020,030,040,02010201520202025MississippiVereinigte Staaten
2025 Mississippi: 39,6Vereinigte Staaten: 39,4

Ages are counted up to 85 and over, and the median age is worked out from them.

States of a similar size
  1. Iowa3,2 Mio.
  2. Arkansas3,1 Mio.
  3. Kansas3 Mio.
  4. Mississippi3 Mio.
  5. New Mexico2,1 Mio.
  6. Idaho2 Mio.
  7. Nebraska2 Mio.

Quellen: US Census Bureau, Population Division, state population estimates by single year of age and sex (Vintage 2025 and Vintage 2020), public domain.