Marion, Ohio Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Marion, Ohio is 35,771 as of the 2023 American Community Survey, making it the 38th-largest city in Ohio. The median household income is $45,829, the median home value is $105,900, and the median age is 38.0.
The population has declined 3.3% since 2010 (36,793 → 35,576).
35,771
Population
2759
People / sq mi
$45,829
Median Income
$105,900
Median Home Value
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Marion covers 13.0 sq mi of land at 2759 people per square mile.
About Marion, OH
Marion is defined demographically by education — 10.1% of adults hold a bachelor’s degree, below the national average. Marion is a city in Ohio with a population of 35,771. It ranks #38 among cities in Ohio by population.
Money is tight relative to the rest of US cities: the median household earns just $45,829, below the US median of $78,538. Roughly 15.9% of residents fall below the poverty line, above the national 12.4%. Housing costs are among the lowest of comparable places: a median home value of $105,900, with typical rent around $848.
Four-year-degree attainment is near the bottom of the range for US cities, 10.1%, below the national 35.0%. Remote work is rare here (4.6%, below the national 14.0%), and the average commute runs about 20 minutes each way.
Marion city Population History (2010-2024)
The city of Marion city had a population of 36,793 in 2010 and 35,576 in 2024, a -3.3% growth over 14 years. The peak was 36,946 in 2011. Average annual growth rate: -0.24%.
35,576
Population (2024)
36,793
Population (2010)
36,946
Peak (2011)
-0.24%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 36,793 |
| 2011 | 36,946 |
| 2012 | 36,889 |
| 2013 | 36,728 |
| 2014 | 36,622 |
| 2015 | 36,352 |
| 2016 | 36,439 |
| 2017 | 36,065 |
| 2018 | 36,191 |
| 2019 | 35,883 |
| 2020 | 36,053 |
| 2021 | 35,977 |
| 2022 | 35,344 |
| 2023 | 35,565 |
| 2024 | 35,576 |
Race & Ethnicity
| White | 81.0% |
| Black or African American | 9.3% |
| Asian | 0.1% |
| Hispanic or Latino (any race) | 2.0% |
| Two or More Races | 0.0% |
Economy & Income
$45,829
Median Household Income
$21,602
Per Capita Income
15.9%
Poverty Rate
4.5%
Unemployment Rate
Housing
$105,900
Median Home Value
$848
Median Rent
56.3%
Owner-Occupied
Education
86.8%
High School+
10.1%
Bachelor's+
Commute
0.9%
Drive Alone
79.9%
Public Transit
4.6%
Work From Home
20.2 min
Avg Commute
Community Profile
15.6%
Foreign Born
96.1%
Non-English at Home
8.0%
Veterans
19.9%
With Disability
93.3%
Health Insurance
91.8%
Internet Access
Employment by Industry
| Manufacturing | 25.1% |
| Professional, Scientific & Management | 21.7% |
| Education, Health Care & Social Services | 11.2% |
| Finance, Insurance & Real Estate | 6.2% |
| Construction | 5.7% |
| Retail Trade | 4.9% |
| Arts, Entertainment & Food Services | 3.8% |
| Information | 3.6% |
| Public Administration | 2.9% |
| Transportation & Warehousing | 2.2% |
| Agriculture & Mining | 0.2% |
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City rankings
Frequently Asked Questions
Marion, Ohio has a population of 35,771 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 38th-largest city in Ohio.
The median household income in Marion, Ohio is $45,829, with 15.9% of residents living below the federal poverty level.
The median home value in Marion, Ohio is $105,900, with median monthly rent at $848 and a homeownership rate of 56.3%.
The median age in Marion, Ohio is 38.0 years. The population is 56.5% male and 43.5% female.
The population has declined 3.3% since 2010 (36,793 → 35,576).
Where to stay in Marion
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.