Johnson County, Kansas Facts
| Facts | |
| State | Kansas |
| Land area | 473.4 square miles |
| Population Density | 1,149.6 persons per square mile. |
| Population | |
| Population (2013) | 566,933 |
| Population change | 4.2% | Under 5 years of age | 6.8% |
| Under 18 | 25.6% |
| 65 and over | 12.2% |
| Females | 51% |
| White | 87.8 |
| Hispanic or Latino of any race | 7.4 |
| Asian | 4.6% |
| Two or more races | 2.3% |
| Black or African American | 4.9% |
| Native American | 0.4% |
| Pacific Islander | 0% |
| Had graduated from high school | 96% |
| Had a bachelor’s degree or higher | 51.7% |
| Veterans | 33,775 |
| Households and Housing | |
| Households | 216,304 |
| Persons per household | 2.5 |
| Living in the same house for one year or more | 84.7% |
| Median household income | $74,717 |
| The per capita income | $38,827 |
| Live below the poverty line. | 6.5% |
| housing units | 229,817 |
| Multi-unit structures | 23% |
| The median value of owner-occupied housing | $210,900 |
| Residents owning their homes. | 70.1% |
| Business Facts | |
| Total number of firms | 57,046 |
| Women-owned firms | 28.3% |
| Asian-owned firms | 3.3% |
| Hispanic-owned firms | 1.9% |
| Black-owned firms | 2.1% |
| Native American-owned firms | 0.8% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $9,255,321 |
| Retail sales per capita | $17,598 |
| Manufacturers shipments | $7,847,699 |
| Merchant wholesaler sales | $16,252,012 |