Howard County, Maryland
Howard County is a county in Maryland. Its county FIPS code is 24027. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 24027
- Representative coordinates
- 39.252264, -76.924406
- County type
- County
- County seat or government
- Ellicott City
- Resident population, July 2025
- 339,183
- Land area
- 649.957 km²
- Water area
- 6.336 km²
- State
- Maryland
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Howard County
| 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
20701 · 20723 · 20759 · 20763 · 20777 · 20794 · 20833 · 21029 · 21036 · 21042 · 21043 · 21044 · 21045 · 21046 · 21075 · 21076 · 21104 · 21163 · 21723 · 21737 · 21738 · 21771 · 21784 · 21794 · 21797
These statistical areas overlap the boundary. They are not delivery assignments; confirm mailing details with USPS ZIP Code Lookup.
Official county information
Use the US government local-office directory ↗ to find the office responsible for your address. A county website has not been confidently matched here. A geographic lookup cannot determine eligibility, tax liability or a court obligation.
Cities, towns and communities
These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.
Areas sharing the mapped boundary
These areas touch this mapped boundary.
Before using this answer on a form
Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.
Find the county at your current point, check its ZIP area, or find its physical time zone.