Cass County, Nebraska
Cass County is a county in Nebraska. Its county FIPS code is 31025. Use the boundary map and neighboring areas below to check the jurisdiction you need.
- Official code
- 31025
- Representative coordinates
- 40.909878, -96.140609
- County type
- County
- County seat or government
- Plattsmouth
- Resident population, July 2025
- 27,657
- Land area
- 1,442.393 km²
- Water area
- 23.258 km²
- State
- Nebraska
The representative point identifies this area. It is not a street address or a boundary survey.
Time zones in Cass County
| Time zone | Local time and UTC offset | Next clock change |
|---|---|---|
| America/Chicago | UTC-06:00 in January; UTC-05:00 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
68003 · 68016 · 68037 · 68048 · 68058 · 68304 · 68307 · 68347 · 68349 · 68366 · 68403 · 68407 · 68409 · 68413 · 68418 · 68454 · 68455 · 68462 · 68463 · 68527
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.
- Alvo village, NE
- Avoca village, NE
- Beaver Lake CDP, NE
- Buccaneer Bay CDP, NE
- Cedar Creek village, NE
- Eagle village, NE
- Elmwood village, NE
- Greenwood village, NE
- Lake Waconda CDP, NE
- Louisville city, NE
- Manley village, NE
- Murdock village, NE
- Murray village, NE
- Nehawka village, NE
- Plattsmouth city, NE
- South Bend village, NE
- Union village, NE
- Weeping Water city, NE
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.