Olney, Maryland Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Olney, MD 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 Top grade
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A+
Income Top grade
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A+
Education Top grade
Source: Map AI Methodology
Population
| Metric | Olney | Maryland Avg | U.S. Average |
|---|---|---|---|
| Population | 32,305 | 6,204,886 | 337,468,954 |
| Population density (per sq mi) | 1991.4 | 500.2 | 86.4 |
| Population growth (%/yr) | 0.37% | 0.51% | 0.59% |
| Median age | 43.0 | 38.0 | 37.3 |
| Households | 10,778 | 2,362,551 | 130,235,071 |
Population in Olney grew by 0.9% from 2009 to 2024, reaching 32,305 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Olney is Gen X, aged 45–60, at 24.6% of residents. That is 3.5 points above Maryland as a whole.
- Gen Z 13–28 6,320 19.6% -0.7 pts
- Millennials 29–44 6,045 18.7% -3.6 pts
- Gen X 45–60 7,939 24.6% +3.5 pts
- Boomers 61–79 5,695 17.6% +1.1 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 Maryland, 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 50.1% of the people living in Olney and men 49.9%.
- Women 50.1% Maryland 51.5%
- Men 49.9% Maryland 48.5%
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100% of everyone living in Olney
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Economy
Olney has a the economy index of A+, which means it is exceptionally prosperous.
| Metric | Olney | Maryland Avg | U.S. Average |
|---|---|---|---|
| Median household income | $175,237 | $103,916 | $80,455 |
| Income growth (%/yr) | 4.03% | 3.98% | 4.80% |
| Unemployment rate | 3.8% | 4.8% | 5.2% |
The median household income in Olney is about 69% higher than in Maryland.
Housing
| Metric | Olney | Maryland Avg | U.S. Average |
|---|---|---|---|
| Median home price | $473,528 | $267,101 | $248,835 |
| Median rent | $2,410 | $1,704 | $1,407 |
| Homeownership rate | 88.8% | 67.6% | 65.2% |
The median home price in Olney is about 16.4 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,410 per month for that long.
Commute Time & Mobility
Commuters in Olney spend about 63 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 263 hours, about 11.0 full days, spent commuting.
| Metric | Olney | Maryland Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 31.6 | 28.3 | 22.4 |
| Round-trip commute (min) | 63.2 | 56.5 | 44.8 |
| Yearly time spent (hours) | 263 | 236 | 187 |
| Estimated yearly cost | $8,162 | $7,301 | $5,790 |
| Work from home | 31.5% | 19.3% | 15.0% |
| Highway traffic (vehicles/day) | 13,556 | 16,437 | 8,813 |
| Local road traffic (vehicles/day) | 2,993 | 2,353 | 1,355 |
The average commute time in Olney is 32 minutes, longer than the 28 minutes in Maryland.
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
Olney has a education index of A+, which means it is exceptionally educated.
| Metric | Olney | Maryland Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 62.4% | 39.3% | 31.6% |
| Average household size | 2.96 | 2.57 | 2.53 |
Health
Olney has a health index of A+, which means it is exceptionally healthy.
| Metric | Olney | Maryland Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 83.7 | 78.4 | 78.3 |
| Self-rated poor health | 7.7% | 13.2% | 16.3% |
| Smokers | 8.2% | 15.9% | 19.0% |
Olney, MD Compared With Nearby Cities
How Olney, MD compares with the 1 cities closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Olney, MD | 32,305 | $175,237 #1/2 | $473,528 #2/2 | 31.6 min #1/2 |
| Aspen Hill, MD | 53,456 | $115,644 | $508,106 | 31.6 min |
Frequently Asked Questions
Common questions about Olney, Maryland.
How many people live in Olney, Maryland?
About 32,305 people live in Olney, Maryland, in 10,778 households of 3.0 people on average. The median age is 43.0, so residents are older than the U.S. median of 37.3 by about 6 years.
How densely populated is Olney, Maryland?
Averaged over its land area, Olney, Maryland has 1,991 people per square mile, a density typical of urban and suburban areas. That is about 23 times the U.S. average of 86.
How affordable is housing in Olney, Maryland?
The median home costs 2.7 times the median household income ($473,528 against $175,237), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $2,410 a month takes about 17% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in Olney, Maryland?
Unemployment in Olney, Maryland is only 3.8%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
How common is a college degree in Olney, Maryland?
62.4% of adults in Olney, Maryland hold a bachelor's degree or higher (about 6 in 10), well above the U.S. share of 31.6%.
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