Buchanan County's estimated 2026 population is 83,482 with a growth rate of -0.07% in the past year according to the most recent United States census data. Buchanan County is the 15th largest county in Missouri. The 2010 population was 89,071 and has seen a growth of -6.27% since that time.
Data after 2023 is projected based on recent change
Overall: 38.9 years
Female: 40 years
Male: 38.1 years
There are 64,924 adults, (14,577 of whom are seniors) in Buchanan County.
Female: 41,515 (49.7%)
Male: 42,053 (50.3%)
The racial composition of Buchanan County includes 80.84% White, 5.81% Black or African American, 3.41% other race, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 67,554 | 80.84% |
| Two or more races | 6,679 | 7.99% |
| Black or African American | 4,855 | 5.81% |
| Other race | 2,849 | 3.41% |
| Asian | 930 | 1.11% |
| Native American | 352 | 0.42% |
| Native Hawaiian or Pacific Islander | 349 | 0.42% |
Buchanan County's average per capita income is $44,231. Household income levels show a median of $62,158. The poverty rate stands at 16.02%.
Name | Median | Mean |
|---|---|---|
| Married Families | $93,213 | $120,151 |
| Families | $76,370 | $101,032 |
| Households | $62,158 | $82,732 |
| Non Families | $37,546 | $51,899 |
Average Income
Median Household Income
Poverty Rate
