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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.
The 2020 United States census reported a population of 977,203, 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.
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.
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.
Total Population in Marion County, Indiana is 977,203. 2020 Decennial Census. ... Marion County, Indiana has 396.6 square miles of land area and is the 47th largest ...
Marion County, Indiana. Named in 1822 for Revolutionary War General Francis Marion. County Seat: Indianapolis. Largest City: Indianapolis (2023 population: 888,578) 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.
