Madison County, Idaho Facts
| Facts | |
| State | Idaho |
| Land area | 469.2 square miles |
| Population Density | 80 persons per square mile. |
| Population | |
| Population (2013) | 37,450 |
| Population change | -0.2% | Under 5 years of age | 9.6% |
| Under 18 | 26.7% |
| 65 and over | 6% |
| Females | 49.9% |
| White | 95.8 |
| Hispanic or Latino of any race | 6.6 |
| Asian | 1.2% |
| Two or more races | 1.7% |
| Black or African American | 0.6% |
| Native American | 0.5% |
| Pacific Islander | 0.3% |
| Had graduated from high school | 95% |
| Had a bachelor’s degree or higher | 33.7% |
| Veterans | 960 |
| Households and Housing | |
| Households | 10,323 |
| Persons per household | 3.5 |
| Living in the same house for one year or more | 60.7% |
| Median household income | $32,059 |
| The per capita income | $15,133 |
| Live below the poverty line. | 35.8% |
| housing units | 12,412 |
| Multi-unit structures | 44% |
| The median value of owner-occupied housing | $169,600 |
| Residents owning their homes. | 49.1% |
| Business Facts | |
| Total number of firms | 2,942 |
| Women-owned firms | 15.2% |
| Asian-owned firms | 0% |
| Hispanic-owned firms | 0% |
| Black-owned firms | 0% |
| Native American-owned firms | 0% |
| Pacific Islander-owned firms | 0% |
| Retail sales | $407,686 |
| Retail sales per capita | $10,971 |
| Manufacturers shipments | $0 |
| Merchant wholesaler sales | $161,967 |