Courthouse Hours:
Treasurer
M-F 8:30 AM - 4:00 PM
Assessor/Auditor/Recorder
M-F 8:00 AM - 4:30 PM
Supervisors
M & W 9:00 AM - 4:00 PM
Geographic Statistics of Clayton County
| Area of Clayton County | 762 square miles |
| Rank in the state | 5th largest |
| Miles of paved county roads | 178.35 miles |
| Miles of soft surface county roads | 899.94 miles |
| Number of county bridges | 251 |
© 2010 Clayton County, Iowa