Madison County's estimated 2026 population is 10,241 with a growth rate of 2.44% in the past year according to the most recent United States census data. Madison County is the 21st largest county in Montana. The 2010 population was 7,696 and has seen a growth of 33.07% since that time.
Data after 2023 is projected based on recent change
The racial composition of Madison County includes 92.64% White, and smaller percentages for other race, Asian, Native American and multiracial populations.
White (92.64%)
Two or more races (4.72%)
Other race (1.4%)
Asian (0.8%)
Native American (0.43%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,314 | 92.64% |
| Two or more races | 424 | 4.72% |
| Other race | 126 | 1.4% |
| Asian | 72 | 0.8% |
| Native American | 39 | 0.43% |
Married
Widowed
Divorced
Separated
Never Married
Madison County's average per capita income is $38,750. Household income levels show a median of $67,420. The poverty rate stands at 6.77%.
Name | Median | Mean |
|---|---|---|
| Married Families | $81,985 | - |
| Families | $80,000 | $95,403 |
| Households | $67,420 | $85,732 |
| Non Families | $46,526 | $63,845 |
Average Income
Median Household Income
Poverty Rate