Putnam County IL United States
| County FIPS | 17155 |
| Largest City | Granville |
| State | Illinois |
| Latitude | 41.2045 |
| Longitude | -89.2858 |
| Population | 5,601 |
| Density | 35.0 people per square mile |
| Time Zone | America/Chicago |
Median household: $75,590
Median individual: $40,241
Mode: 91.3% White
Median house value: $172,968.0
Median: 47.4 years old
With at least college degree: 22.8%
With STEM degree: 46.9%
Never married: 23.8%
Unemployed: 4.2%
All data comes from the SimpleMaps US Counties Database, 2026.
Home (Maps) | Database License | Privacy | Database Releases | Database Order Lookup | Resources | Contact | FAQs
SimpleMaps.com is a product of Pareto Software, LLC. © 2010-2026.