Marion, Ohio Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Marion, OH Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
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C
Health Below average
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F
Income Well below average
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F
Education Well below average
Source: Map AI Methodology
Population
| Metric | Marion | Ohio Avg | U.S. Average |
|---|---|---|---|
| Population | 29,941 | 11,799,428 | 337,468,954 |
| Population density (per sq mi) | 2293.9 | 263.2 | 86.4 |
| Population growth (%/yr) | -0.49% | 0.23% | 0.59% |
| Median age | 36.6 | 38.5 | 37.3 |
| Households | 10,214 | 4,857,236 | 130,235,071 |
Population in Marion declined by 0.8% from 2009 to 2024, reaching 29,941 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Marion is Millennials, aged 29–44, at 24.1% of residents. That is 2.9 points above Ohio as a whole.
- Gen Z 13–28 6,491 21.7% +0.8 pts
- Millennials 29–44 7,204 24.1% +2.9 pts
- Gen X 45–60 6,127 20.5% +0.3 pts
- Boomers 61–79 4,637 15.5% -2.6 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Ohio, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 43.0% of the people living in Marion and men 57.0%.
- Women 43.0% Ohio 50.8%
- Men 57.0% Ohio 49.2%
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Economy
Marion has a the economy index of F, which means it scores poorly in the economy.
| Metric | Marion | Ohio Avg | U.S. Average |
|---|---|---|---|
| Median household income | $48,163 | $71,509 | $80,455 |
| Income growth (%/yr) | 4.10% | 4.38% | 4.80% |
| Unemployment rate | 10.0% | 4.8% | 5.2% |
The median household income in Marion is about 33% lower than in Ohio.
Housing
| Metric | Marion | Ohio Avg | U.S. Average |
|---|---|---|---|
| Median home price | $93,337 | $139,044 | $248,835 |
| Median rent | $850 | $1,033 | $1,407 |
| Homeownership rate | 57.8% | 67.2% | 65.2% |
The median home price in Marion is about 9.1 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $850 per month for that long.
Commute Time & Mobility
Commuters in Marion spend about 27 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 112 hours, about 4.7 full days, spent commuting.
| Metric | Marion | Ohio Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 13.4 | 21.1 | 22.4 |
| Round-trip commute (min) | 26.8 | 42.2 | 44.8 |
| Yearly time spent (hours) | 112 | 176 | 187 |
| Estimated yearly cost | $3,460 | $5,447 | $5,790 |
| Work from home | 3.7% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 8,166 | 8,648 | 8,813 |
| Local road traffic (vehicles/day) | 1,511 | 1,212 | 1,355 |
The average commute time in Marion is 13 minutes, shorter than the 21 minutes in Ohio.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Marion has a education index of F, which means it scores poorly in education.
| Metric | Marion | Ohio Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 9.6% | 28.1% | 31.6% |
| Average household size | 2.43 | 2.37 | 2.53 |
Health
Marion has a health index of C, which means it is somewhat healthy.
| Metric | Marion | Ohio Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 73.0 | 77.0 | 78.3 |
| Self-rated poor health | 21.5% | 17.2% | 16.3% |
| Smokers | 31.0% | 24.3% | 19.0% |
Frequently Asked Questions
Common questions about Marion, Ohio.
How big is Marion, Ohio by population?
About 29,941 people live in Marion, Ohio, in 10,214 households of 2.4 people on average. The median age is 36.6, close to the U.S. median of 37.3.
How densely populated is Marion, Ohio?
Averaged over its land area, Marion, Ohio has 2,294 people per square mile, a density typical of urban and suburban areas. That is about 27 times the U.S. average of 86.
Can a typical household afford a home in Marion, Ohio?
The median home costs 1.9 times the median household income ($93,337 against $48,163), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $850 a month takes about 21% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
Is it hard to find a job in Marion, Ohio?
Unemployment in Marion, Ohio is 10.0%, well above the U.S. rate of 5.2%, so job seekers may face more competition than elsewhere.
What share of adults in Marion, Ohio have a college degree?
9.6% of adults in Marion, Ohio hold a bachelor's degree or higher (about 1 in 10), well below the U.S. share of 31.6%.
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