| Median Foreclosure: | $134,277 |
| Median For Sale: | $114,000 |
| Median Land: | $69,900 |
| Median Rental: | $1,645 |
| Population | 2,053 |
| Square Miles | 3.31 |
| Population Density | 620.80 |
| Median Age | 35 |
| Median Household Income | $52,188 |
| Per Capita Income | $19,273 |
| Median Rent | $391 |
| Percent Renters | 20% |
| Median Seneca, IL Rental Price: | $1,645 |
| Studio Rental Median Price: | $1,556 |
| 1 Bedroom Rental Median Price: | $2,025 |
| 2 Bedroom Rental Median Price: | $1,500 |
| 3 Bedroom Rental Median Price: | $2,165 |
| 4 Bedroom Rental Median Price: | $1,300 |
| Median Seneca, IL For Sale Price: | $114,000 |
| Studio For Sale Median Price: | $44,900 |
| 1 Bedroom For Sale Median Price: | $159,000 |
| 2 Bedroom For Sale Median Price: | $75,000 |
| 3 Bedroom For Sale Median Price: | $159,900 |
| 4 Bedroom For Sale Median Price: | $229,900 |
| Median Seneca, IL Foreclosure Price: | $134,277 |
| 2 Bedroom Foreclosure Median Price: | $134,277 |
| 3 Bedroom Foreclosure Median Price: | $109,000 |