Delaware County, Ohio Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Delaware 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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A
Health Above averageHealthiest county in Ohio
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A+
Income Top gradeWealthiest county in Ohio
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A+
Education Top gradeBest educated county in Ohio
Source: Map AI Methodology
Population: density and quick facts
| Metric | Delaware County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Population | 226,834 | 11,799,428 | 337,468,954 |
| Population density (per sq mi) | 496.0 | 263.2 | 86.4 |
| Population growth (%/yr) | 2.16% | 0.23% | 0.59% |
| Median age | 40.2 | 38.5 | 37.3 |
| Households | 82,287 | 4,857,236 | 130,235,071 |
Population in Delaware County grew by 35.0% from 2009 to 2024, reaching 226,834 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Delaware County is Gen X, aged 45–60, at 23.2% of residents. That is 3.0 points above Ohio as a whole.
- Gen Z 13–28 43,211 19.0% -1.8 pts
- Millennials 29–44 52,557 23.2% +2.0 pts
- Gen X 45–60 52,567 23.2% +3.0 pts
- Boomers 61–79 31,821 14.0% -4.1 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 50.4% of the people living in Delaware County and men 49.6%.
- Women 50.4% Ohio 50.8%
- Men 49.6% Ohio 49.2%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Delaware County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Delaware County has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | Delaware County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Median household income | $134,160 | $71,509 | $80,455 |
| Income growth (%/yr) | 4.59% | 4.38% | 4.80% |
| Unemployment rate | 3.0% | 4.8% | 5.2% |
The median household income in Delaware County is about 88% higher than in Ohio.
Housing
| Metric | Delaware County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Median home price | $454,424 | $139,044 | $248,835 |
| Median rent | $1,491 | $1,033 | $1,407 |
| Homeownership rate | 78.5% | 67.2% | 65.2% |
The median home price in Delaware County is about 25.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $1,491 per month for that long.
Commute Time & Mobility
Commuters in Delaware County spend about 48 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 198 hours, about 8.3 full days, spent commuting.
| Metric | Delaware County | Ohio Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 23.8 | 21.1 | 22.4 |
| Round-trip commute (min) | 47.6 | 42.2 | 44.8 |
| Yearly time spent (hours) | 198 | 176 | 187 |
| Estimated yearly cost | $6,150 | $5,447 | $5,790 |
| Work from home | 25.9% | 13.0% | 15.0% |
| Highway traffic (vehicles/day) | 14,104 | 8,648 | 8,813 |
| Local road traffic (vehicles/day) | 2,067 | 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 Delaware County is 24 minutes, longer 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
Delaware County has a education index of A+, which means it is exceptionally educated.
| Metric | Delaware County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 52.9% | 28.1% | 31.6% |
| Average household size | 2.73 | 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
Delaware County has a health index of A, which means it is very healthy.
| Metric | Delaware County | Ohio Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 79.8 | 77.0 | 78.3 |
| Self-rated poor health | 9.9% | 17.2% | 16.3% |
| Smokers | 16.5% | 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).
Delaware County, OH Compared With Nearby Counties
Delaware County, OH is the 2nd largest of the 6 counties compared here, 226,834 residents against a local median of 65,020. Where Delaware County, OH breaks from the counties next to it is median home price, sitting 103% above the local median of $223,791 at $454,424.
Median household income tells the same story from another angle: $134,160 against a local median of $75,278, 78% above it. The one measure here that carries a verdict is median household income, and at 78% above the local median it puts Delaware County, OH at the better end of the local range. The counties themselves spread $213,098 on median home price, so Delaware County, OH sits at one end of an already wide local range rather than apart from it. Delaware County, OH has the highest median home price of the 6 areas compared here.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Delaware County, OH | 226,834 | $134,160 #1/6 | $454,424 #1/6 | 23.8 min #4/6 |
| Franklin County, OH | 1,332,477 | $75,175 | $223,791 | 20.9 min |
| Morrow County, OH | 35,404 | $75,278 | $54,907 | 31.5 min |
| Marion County, OH | 65,020 | $59,541 | $150,236 | 17.3 min |
| Union County, OH | 67,322 | $111,904 | $242,497 | 23.4 min |
| Madison County, OH | 44,416 | $88,282 | $268,005 | 25.2 min |
Frequently Asked Questions
Common questions about Delaware County, Ohio.
What is the population of Delaware County, Ohio?
About 226,834 people live in Delaware County, Ohio, in 82,287 households of 2.7 people on average. The median age is 40.2, so residents are older than the U.S. median of 37.3 by about 3 years.
How densely populated is Delaware County, Ohio?
Averaged over its land area, Delaware County, Ohio has 496 people per square mile, a density typical of a mix of suburbs, small towns and farmland. That is about 5.7 times the U.S. average of 86.
Can a typical household afford a home in Delaware County, Ohio?
The median home costs 3.4 times the median household income ($454,424 against $134,160), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $1,491 a month takes about 13% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Delaware County, Ohio?
Unemployment in Delaware County, Ohio is only 3.0%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How educated are people in Delaware County, Ohio?
52.9% of adults in Delaware County, Ohio hold a bachelor's degree or higher (about 5 in 10), well above the U.S. share of 31.6%.
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