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Marion County, Indiana 's estimated 2024 population is 967,697 with a growth rate of -0.08% in the past year according to the most recent United States census data. Marion County, Indiana is the largest county in Indiana. The 2010 population was 904,604 and has seen a growth of 6.97% since that time.
In 2021, Marion County, IN had a population of 970k people with a median age of 34.4 and a median household income of $54,601. Between 2020 and 2021 the population of Marion County, IN grew from 957,337 to 969,542, a 1.27% increase and its median household income grew from $51,219 to $54,601, a 6.6% increase.
Jul 1, 2023 · Table. Marion County, Indiana. United States. Population Estimates, July 1, 2022, (V2022) . 969,466. . 333,271,411.
The 2020 United States census reported a population of 977,203, [1] making it the most populous county in the state and the 54th-most populous county in the U.S. Indianapolis is the county seat, the state capital, and most populous city. [2] . Marion County is consolidated with Indianapolis through an arrangement known as Unigov.
969,466 Population. 396.6 square miles 2,444.7 people per square mile. Census data: ACS 2022 1-year unless noted. Find data for this place. Hover for margins of error and contextual data. Demographics. Age. 34.5 Median age. about 90 percent of the figure in Indiana: 38.2. about 90 percent of the figure in United States: 39. Population by age range.
The estimated population of Marion County, Indiana is 969,542 people, with a median age of 34.4. We can look at the total population in Marion County over the last 5 years to see how much it has changed. Population of Marion County, Indiana by Race and Ethnicity.
Region: Marion County, Indiana. Named in 1822 for Revolutionary War General Francis Marion. County Seat: Indianapolis. Largest City: Indianapolis (2022 population: 889,679) Population per Square Mile: 2,443.75. Square Miles: 396.30. Go to county's in.gov site. *Projection based on 2015 Census population estimates.
