What County Is Rockville, Maryland In?
Rockville is in Montgomery County, Maryland.
- Official code
- 2467675
- Representative coordinates
- 39.083666, -77.155585
- Land area
- 35.137 km²
- Water area
- 0.094 km²
- State
- Maryland
The representative point identifies this area. It is not a street address or a boundary survey.
County boundaries in Rockville
For a point close to the city or county boundary, check the address with the office responsible for your form. Check a point on the county map.
Coordinates of Rockville
39.083666, -77.155585 is the Census representative point, not a street address. Convert these coordinates or prepare a map link.
Elevation in Rockville
138 m · 453 ft. GNIS archived height at its named reference point (39.0834426, -77.1553461), which may differ from the Census point. Terrain height varies across the place; this is not a city-wide or surveyed elevation. Request height at a different point.
Today’s sunrise and sunset
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Approximate calculations at the representative coordinates, using a level horizon. Terrain and weather can change what you see.
Time zones in Rockville
The representative point uses America/New_York.
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/New_York | UTC-05:00 in January; UTC-04:00 in July. Enable JavaScript for the live clock. | Enable JavaScript for upcoming changes. |
Listed zones overlap the mapped area. A point lookup can distinguish sides of a boundary. Your device’s zone may differ.
Census ZIP areas
20850 · 20851 · 20852 · 20853 · 20854 · 20855 · 20877
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
A city boundary, a CDP and a mailing city can mean different things.
Find the county at your current point, check its ZIP area, or find its physical time zone.