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| City | Olney |
| State | Maryland (MD) |
| County | Montgomery |
| Country | United States of America |
| Timezone | Eastern Time (America/New_York) |
| Latitude | 39.153163 |
| Longitude | -77.066923 |
| Population | 35,797 |
| Density | 859.0 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 20832, 20830, 20860 |
| Area Code | 301, 240 |
| County Seat | Rockville |
| School District | Montgomery County Public Schools |
Olney is a locality in Montgomery County, Maryland, United States. It has a population of 35,797. The population density is 859.0 people per km². Olney is located at 39.1532°N, 77.0669°W. It observes the Eastern Time (America/New_York) timezone. ZIP code: 20860.
Olney lies cradled by rolling hills and a verdant embrace of mature trees, a gentle swelling of the land where the sky seems to stretch a little wider. It lies 5.1 miles north of Aspen Hill, MD (from Aspen Hill, MD: bearing 4°T), and is situated 9.3 miles east of Montgomery. The air here carries the soft, earthy scent of damp soil after a spring shower, mingling with the fainter, sweeter perfume of blooming dogwoods and magnolias that punctuate the landscape with bursts of white and pink. Sunlight, when it filters through the dense canopy of oak and maple, falls in shifting patterns, dappling the quiet streets and the manicured lawns of its residential neighborhoods. The terrain itself is a study in subtle gradients, offering glimpses of distant horizons and the occasional wide, open field that hints at a more agrarian past. The history of Olney is a quiet narrative, woven from threads of early agricultural settlements and the slow, steady growth of a community that values its connection to the land. Once a collection of farms and country estates, its development has been guided by a desire to preserve a sense of open space and a particular, unhurried rhythm of life, even as it has become a vibrant hub for commerce and suburban living. The local economy, while diversified, still retains echoes of its agricultural roots, with farmers' markets offering the bounty of nearby fields and a strong emphasis on community-supported agriculture. Notable features include its well-regarded public schools and a burgeoning cultural scene that finds expression in local theaters and art galleries, all contributing to Olney's enduring character as a place that balances progress with a deep respect for its natural setting and past.
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This page provides an embedded street and satellite map of Olney, Maryland — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 39.153163, -77.066923. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Olney and Montgomery County.
Detailed location data for Olney includes the ZIP code (20832), telephone area code (301, 240), county seat of Montgomery County (Rockville), and school district assignment (Montgomery County Public Schools). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Olney is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | July 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |