According to the United States Census Bureau, Olney is a Census-designated Place that is located in Montgomery County, Maryland at 39.15 degrees North and 77.07 degrees West.
The place's time zone is America/New York, and the place's primary telephone area code is 301.
The land area of Olney is about 16.20 square miles, whereas the water area of the place is about 0.05 square miles.
Montgomery County's land area is about 491 square miles, so the place occupies about 3.3 percent of the county's total land area.
Current Weather Conditions in Olney, Maryland
The Census Bureau estimates that Olney had about 35,191 residents in 2019, which is approximately 2,172 people per square mile of land area.
According to recent American Community Survey data, the median household income in Olney was about $143,396 per year.
The Maryland counties map at upper right shows Montgomery County, highlighted in red.
Use the menu below to display interactive maps of Olney, either in a frame on this page or in full-screen mode.
Use the menu below to display categorized Olney directories.
Selected Olney, Maryland Listings
These Olney listings provide some insight into the place's cultural environment and economic climate.
Burk & Flinn - Saul M Burk DDS
Main Street Settlements Inc
Mennitt & Daly
- Title Insurance
- Real Estate Title Search & Abstract Services
Metro Metro & Associates - H Metro CPA
- Maxillofacial Physicians & Surgeons
- Financial Services
- Public Accountants
- Accounting, Auditing & Bookkeeping Services
- Certified Public Accountants
Sunrise Limousine Service
- Office Supplies Retail
- Office Furniture & Equipment Dealers
- Packaging & Shipping Materials Retail
- Labeling Equipment & Supplies
- Labels & Tags
- Airport Transportation
- Limousine Services
- Corporate Limousine Services
Nearby Maryland Cities and Towns *
Large and Mid-size Cities in Nearby States
* Parenthesized numbers indicate economic activity levels.
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