Madison County's estimated 2025 population is 53,725 with a growth rate of -0.76% in the past year according to the most recent United States census data. Madison County is the 8th largest county in Idaho. The 2010 population was 37,588 and has seen a growth of 42.93% since that time.
Data after 2023 is projected based on recent change
The racial composition of Madison County includes 88.13% White, 3.19% other race, and smaller percentages for Asian, Black or African American, Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White
Two or more races
Other race
Asian
Black or African American
Native Hawaiian or Pacific Islander
Native American
Race | Population | Percentage (of total) |
|---|---|---|
| White | 47,220 | 88.13% |
| Two or more races | 3,032 | 5.66% |
| Other race | 1,709 | 3.19% |
| Asian | 772 | 1.44% |
| Black or African American | 492 | 0.92% |
| Native Hawaiian or Pacific Islander | 186 | 0.35% |
| Native American | 167 | 0.31% |
Married
Widowed
Divorced
Separated
Never Married
Madison County's average per capita income is $37,964. Household income levels show a median of $58,259. The poverty rate stands at 26.84%.
Name | Median | Mean |
|---|---|---|
| Married Families | $66,367 | - |
| Families | $63,442 | $101,910 |
| Households | $58,259 | $89,770 |
| Non Families | $45,207 | $45,965 |
Average Income
Median Household Income
Poverty Rate
