Olney CDP, Maryland Demographics & Population 2026
As of 2026, Olney CDP, Maryland has a total population of 36,000, the 29th largest city in Maryland, with a median household income of $171,766, which is 69% higher than the state average. The poverty rate is 4.4%.
Key Takeaways
- Household income is 69% above the state average — one of the wealthiest communities in Maryland.
- An exceptionally low poverty rate of 4.4% — among the lowest in Maryland.
- 64.7% of adults hold a bachelor's degree or higher — top 10% in Maryland.
Olney CDP Quick Facts
How Olney CDP Compares
Median Household Income
Median Home Value
Economy & Housing
Household Income Distribution
Employment
Housing Overview
People & Demographics
Age Distribution
Race & Ethnicity
Diversity Index
A diverse community with significant representation from multiple racial and ethnic groups.
State average: 67 | National average: 60
Education
Educational Attainment (Adults 25+)
Olney CDP Rankings in Maryland
Explore Maryland Rankings
Cities Similar to Olney CDP
These cities in the same state have comparable population and economic profiles.
| City | Population | Median Income | Home Value | Bachelor's+ | Poverty |
|---|---|---|---|---|---|
| Severna Park CDP | 39,499 | $168,091 | $633,600 | 58.7% | 3.3% |
| Clarksburg CDP | 29,246 | $178,641 | $646,200 | 68.2% | 4.5% |
| Bel Air North CDP | 31,599 | $137,995 | $422,700 | 47.7% | 3.3% |
| Eldersburg CDP | 30,626 | $146,598 | $478,800 | 53.5% | 4.2% |
| Clinton CDP | 38,756 | $120,967 | $400,300 | 33.1% | 8.4% |
Population Overview
Olney CDP is a mid-sized community located in Maryland. The total population is 36,000. It ranks as the 29th most populous out of 528 cities and towns in Maryland.
Age Demographics
The median age in Olney CDP is 41.6 years. This is 6% higher than the state median of 39.3 years.
Economy, Income & Housing
The median household income in Olney CDP is $171,766. This is 69% higher than the state median of $101,652. Compared to the national median of $78,538, household income here is 119% higher. The poverty rate stands at 4.4%. This is 53% lower than the state poverty rate of 9.3%. This exceptionally low poverty rate indicates strong economic prosperity across the community. The unemployment rate is 4.0%. This is 19% lower than the state rate of 4.9%. The median home value is $632,400. Housing costs are 59% higher than the state median of $397,700. The home-value-to-income ratio is 3.7x. 88.6% of occupied housing units are owner-occupied. This homeownership rate is 31% higher than the state average of 67.5%.
Race & Ethnicity
The largest racial or ethnic group in Olney CDP is White (non-Hispanic), making up 54.9% of the population. Black or African American residents account for 14.7%. The Asian population is significantly higher than the state average (11.7% vs 6.4%).
Education
64.7% of residents aged 25 and older hold a bachelor's degree or higher. This places Olney CDP in the top 10% of all cities in the state for educational attainment. This is 51% higher than the state rate of 42.7%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 96.5%. Notably, 31.0% of adults hold a graduate or professional degree, indicating a highly educated workforce.
Data Sources & Methodology
All demographic data for Olney CDP, Maryland is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Maryland state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 528 Census-designated places in Maryland. For official data, visit data.census.gov.
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Frequently Asked Questions
What is the population of Olney CDP, Maryland?
Olney CDP, Maryland has a population of 36,000 according to the most recent U.S. Census ACS 5-Year Estimates.
What is the median household income in Olney CDP, MD?
The median household income in Olney CDP is $171,766, which is 119% higher the national median of $78,538.
What is the poverty rate in Olney CDP, MD?
The poverty rate in Olney CDP is 4.4%. This means approximately 1,571 residents live below the federal poverty line.
What is the racial makeup of Olney CDP, Maryland?
Olney CDP's population is 54.9% White, 14.7% Black, 12.1% Hispanic/Latino, and 11.7% Asian.
What is the median home value in Olney CDP, MD?
The median home value in Olney CDP is $632,400. The home-value-to-income ratio is 3.7x.
How educated is Olney CDP, Maryland?
64.7% of adults (25+) in Olney CDP hold a bachelor's degree or higher, and 31.0% hold a graduate or professional degree.