Marion Flag

Marion

County:
Grant County
County Seat:
Yes
Area (mi²):
15.703
State:
Indiana

Marion is a city located in Grant County, Indiana. Marion has a 2025 population of 28,007. It is also the county seat of Grant CountyMarion is currently declining at a rate of -0.17% annually and its population has decreased by -0.86% since the most recent census, which recorded a population of 28,251 in 2020.

The average household income in Marion is $56,528 with a poverty rate of 26.99%.The median age in Marion is 34.8 years: 35.1 years for males, and 34.4 years for females.

28K
Total Population
1,784
Density (mi²)
-49 -0.17%
Growth

Marion Population

Demographics

Economics and Income Statistics

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)