Penobscot County, Maine
Penobscot County is a county in Maine. Its county FIPS code is 23019. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 23019
- Representative coordinates
- 45.409284, -68.666616
- County type
- County
- County seat or government
- Bangor
- Resident population, July 2025
- 157,967
- Land area
- 8,798.667 km²
- Water area
- 414.016 km²
- State
- Maine
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Penobscot 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
04401 · 04410 · 04411 · 04412 · 04417 · 04418 · 04419 · 04422 · 04427 · 04428 · 04429 · 04430 · 04434 · 04435 · 04444 · 04448 · 04449 · 04450 · 04451 · 04453 · 04455 · 04456 · 04457 · 04459 · 04460 · 04461 · 04462 · 04468 · 04469 · 04473 · 04474 · 04475 · 04487 · 04488 · 04489 · 04493 · 04495 · 04497 · 04733 · 04765 · 04777 · 04928 · 04930 · 04932 · 04939 · 04953 · 04969
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.