Marion, Indiana Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Marion, Indiana is 27,384 as of the 2023 American Community Survey, making it the 38th-largest city in Indiana. The median household income is $43,349, the median home value is $83,200, and the median age is 34.8.
The population has declined 5.5% since 2010 (29,849 → 28,216).
27,384
Population
1744
People / sq mi
$43,349
Median Income
$83,200
Median Home Value
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Marion covers 15.7 sq mi of land at 1744 people per square mile.
About Marion, IN
Housing cost is the defining feature of Marion: the median home is valued at $83,200. With 27,384 residents, Marion is a city in Indiana. It ranks #38 among cities in Indiana by population.
Incomes are among the lowest of comparable places, with a median household income of $43,349, below the US median of $78,538. Hardship is pronounced — at 23.3%, poverty is near the top of the range for US cities, above the national 12.4%. Home prices sit near the bottom of the range at $83,200, with typical rent around $760.
Degree attainment is on the lower side for US cities: 17.1% of adults hold a bachelor’s degree, below the national 35.0%. Just 5.8% of workers are home-based, below the national 14.0%, and the average commute runs about 18 minutes each way.
Marion city Population History (2010-2024)
The city of Marion city had a population of 29,849 in 2010 and 28,216 in 2024, a -5.5% growth over 14 years. The peak was 29,849 in 2010. Average annual growth rate: -0.40%.
28,216
Population (2024)
29,849
Population (2010)
29,849
Peak (2010)
-0.40%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 29,849 |
| 2011 | 29,762 |
| 2012 | 29,459 |
| 2013 | 29,363 |
| 2014 | 29,114 |
| 2015 | 28,747 |
| 2016 | 28,370 |
| 2017 | 28,204 |
| 2018 | 28,057 |
| 2019 | 27,930 |
| 2020 | 28,253 |
| 2021 | 28,122 |
| 2022 | 28,030 |
| 2023 | 28,154 |
| 2024 | 28,216 |
Race & Ethnicity
| White | 77.8% |
| Black or African American | 9.8% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 4.1% |
| Two or More Races | 0.0% |
Economy & Income
$43,349
Median Household Income
$23,736
Per Capita Income
23.3%
Poverty Rate
4.4%
Unemployment Rate
Housing
$83,200
Median Home Value
$760
Median Rent
58.9%
Owner-Occupied
Education
85.1%
High School+
17.1%
Bachelor's+
Commute
0.4%
Drive Alone
71.2%
Public Transit
5.8%
Work From Home
17.6 min
Avg Commute
Community Profile
24.9%
Foreign Born
94.5%
Non-English at Home
7.7%
Veterans
22.7%
With Disability
92.6%
Health Insurance
90.7%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 33.0% |
| Manufacturing | 16.3% |
| Education, Health Care & Social Services | 11.7% |
| Finance, Insurance & Real Estate | 6.5% |
| Arts, Entertainment & Food Services | 4.4% |
| Retail Trade | 4.0% |
| Public Administration | 3.5% |
| Construction | 3.3% |
| Information | 2.7% |
| Transportation & Warehousing | 1.3% |
| Agriculture & Mining | 0.3% |
Largest cities in Indiana
Largest counties in Indiana
Part of Indiana
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City rankings
Frequently Asked Questions
Marion, Indiana has a population of 27,384 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 38th-largest city in Indiana.
The median household income in Marion, Indiana is $43,349, with 23.3% of residents living below the federal poverty level.
The median home value in Marion, Indiana is $83,200, with median monthly rent at $760 and a homeownership rate of 58.9%.
The median age in Marion, Indiana is 34.8 years. The population is 46.0% male and 54.0% female.
The population has declined 5.5% since 2010 (29,849 → 28,216).
Marion city, IN Climate
Marion city, IN has an average annual temperature of 10.1°C (50°F) and receives about 975 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
10.1°C
Avg Temp
975
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -5° / 24° | 53 mm |
| February | -2° / 28° | 50 mm |
| March | 3° / 38° | 77 mm |
| April | 10° / 49° | 94 mm |
| May | 16° / 60° | 104 mm |
| June | 21° / 70° | 98 mm |
| July | 23° / 74° | 111 mm |
| August | 22° / 72° | 92 mm |
| September | 18° / 65° | 74 mm |
| October | 12° / 53° | 67 mm |
| November | 5° / 41° | 82 mm |
| December | -1° / 30° | 73 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Marion city, IN
The most comfortable months to visit Marion city, IN are typically June, August and September, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 29°C high). The coldest is January (near -9°C low). July is usually the wettest month.
Where to stay near Marion
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Statewide data for Indiana
Population, race, income, age, and trends across Indiana
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.