Montgomery County, Ohio Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Montgomery County, 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 averageLess healthy than 74% of counties in Ohio
-
C
Income Below average
-
C
Education Below averageBetter educated than 87% of counties in Ohio
Source: Map AI Methodology
Population: density and quick facts
| Metric | Montgomery County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Population | 535,982 | 11,799,428 | 337,468,954 |
| Population density (per sq mi) | 1153.9 | 263.2 | 86.4 |
| Population growth (%/yr) | 0.08% | 0.23% | 0.59% |
| Median age | 37.1 | 38.5 | 37.3 |
| Households | 231,284 | 4,857,236 | 130,235,071 |
Population in Montgomery County declined by 0.4% from 2009 to 2024, reaching 535,982 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Montgomery County is Gen Z, aged 13–28, at 21.2% of residents. That is 0.3 points above Ohio as a whole.
- Gen Z 13–28 113,469 21.2% +0.3 pts
- Millennials 29–44 110,777 20.7% -0.5 pts
- Gen X 45–60 105,351 19.7% -0.5 pts
- Boomers 61–79 98,158 18.3% +0.2 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 51.6% of the people living in Montgomery County and men 48.4%.
- Women 51.6% Ohio 50.8%
- Men 48.4% Ohio 49.2%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Montgomery County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Montgomery County has a the economy index of C, which means it is somewhat prosperous.
| Metric | Montgomery County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Median household income | $66,795 | $71,509 | $80,455 |
| Income growth (%/yr) | 4.96% | 4.38% | 4.80% |
| Unemployment rate | 5.7% | 4.8% | 5.2% |
The median household income in Montgomery County is about 7% lower than in Ohio.
Housing
| Metric | Montgomery County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Median home price | $128,931 | $139,044 | $248,835 |
| Median rent | $1,026 | $1,033 | $1,407 |
| Homeownership rate | 62.5% | 67.2% | 65.2% |
The median home price in Montgomery County is about 10.5 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,026 per month for that long.
Commute Time & Mobility
Commuters in Montgomery County spend about 38 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 158 hours, about 6.6 full days, spent commuting.
| Metric | Montgomery County | Ohio Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 18.9 | 21.1 | 22.4 |
| Round-trip commute (min) | 37.8 | 42.2 | 44.8 |
| Yearly time spent (hours) | 158 | 176 | 187 |
| Estimated yearly cost | $4,886 | $5,447 | $5,790 |
| Work from home | 12.0% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 12,590 | 8,648 | 8,813 |
| Local road traffic (vehicles/day) | 1,806 | 1,212 | 1,355 |
Fastest commutes among counties in
Ohio:
Hancock County (15.3 min), Van Wert County (15.5 min), Mercer County (16.0 min).
Slowest:
Morgan County (32.5 min), Vinton County (32.0 min), Brown County (32.0 min).
The average commute time in Montgomery County is 19 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
Montgomery County has a education index of C, which means it is somewhat educated.
| Metric | Montgomery County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 27.6% | 28.1% | 31.6% |
| Average household size | 2.26 | 2.37 | 2.53 |
Highest education index among counties in
Ohio:
Delaware County (0.4), Warren County (0.4), Greene County (0.3).
Lowest:
Holmes County (0.1), Vinton County (0.2), Noble County (0.2).
Health
Montgomery County has a health index of C, which means it is somewhat healthy.
| Metric | Montgomery County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 75.3 | 77.0 | 78.3 |
| Self-rated poor health | 19.5% | 17.2% | 16.3% |
| Smokers | 22.6% | 24.3% | 19.0% |
Highest health index among counties in
Ohio:
Delaware County (0.8), Union County (0.8), Warren County (0.8).
Lowest:
Adams County (0.8), Holmes County (0.8), Scioto County (0.8).
Montgomery County, OH Compared With Nearby Counties
Montgomery County, OH is the largest of the 6 counties compared here, 535,982 residents against a local median of 169,687. Where Montgomery County, OH breaks from the counties next to it is median home price, sitting 28% below the local median of $179,506 at $128,931.
Median household income tells the same story from another angle: $66,795 against a local median of $82,209, 19% below it. The one measure here that carries a verdict is median household income, and at 19% below the local median it puts Montgomery County, OH at the weaker end of the local range. The counties themselves spread $250,631 on median home price, so Montgomery County, OH sits at one end of an already wide local range rather than apart from it. Montgomery County, OH has the 5th highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Montgomery County, OH | 535,982 | $66,795 #6/6 | $128,931 #5/6 | 18.9 min #1/6 |
| Miami County, OH | 110,296 | $76,958 | $223,077 | 20.1 min |
| Warren County, OH | 249,858 | $110,283 | $339,653 | 23.4 min |
| Preble County, OH | 40,765 | $69,933 | $164,705 | 22.9 min |
| Greene County, OH | 169,687 | $88,933 | $179,506 | 20.3 min |
| Butler County, OH | 393,616 | $82,209 | $89,021 | 22.1 min |
Frequently Asked Questions
Common questions about Montgomery County, Ohio.
How many people live in Montgomery County, Ohio?
About 535,982 people live in Montgomery County, Ohio, in 231,284 households of 2.3 people on average. The median age is 37.1, close to the U.S. median of 37.3.
Is Montgomery County, Ohio mostly urban or rural?
Averaged over its land area, Montgomery County, Ohio has 1,154 people per square mile, a density typical of urban and suburban areas. That is about 13 times the U.S. average of 86.
How affordable is housing in Montgomery County, Ohio?
The median home costs 1.9 times the median household income ($128,931 against $66,795), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $1,026 a month takes about 18% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
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