Jo Daviess County, Illinois Facts
| Facts | |
| State | Illinois |
| Land area | 601.1 square miles |
| Population Density | 37.7 persons per square mile. |
| Population | |
| Population (2013) | 22,407 |
| Population change | -1.2% | Under 5 years of age | 4.9% |
| Under 18 | 20% |
| 65 and over | 23.5% |
| Females | 49.8% |
| White | 97.9 |
| Hispanic or Latino of any race | 3.1 |
| Asian | 0.5% |
| Two or more races | 0.9% |
| Black or African American | 0.5% |
| Native American | 0.2% |
| Pacific Islander | 0% |
| Had graduated from high school | 92% |
| Had a bachelor’s degree or higher | 23.7% |
| Veterans | 2,271 |
| Households and Housing | |
| Households | 9,616 |
| Persons per household | 2.3 |
| Living in the same house for one year or more | 90.2% |
| Median household income | $50,817 |
| The per capita income | $29,675 |
| Live below the poverty line. | 9.5% |
| housing units | 13,553 |
| Multi-unit structures | 9% |
| The median value of owner-occupied housing | $138,000 |
| Residents owning their homes. | 78.3% |
| Business Facts | |
| Total number of firms | 2,655 |
| Women-owned firms | 23% |
| Asian-owned firms | 0% |
| Hispanic-owned firms | 0% |
| Black-owned firms | 0% |
| Native American-owned firms | 0% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $310,735 |
| Retail sales per capita | $14,017 |
| Manufacturers shipments | $419,517 |
| Merchant wholesaler sales | $120,531 |