Buchanan is located in Jefferson County, Iowa. Buchanan has a 2025 population of 708. Buchanan is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Buchanan is $80,156 with a poverty rate of 0%. The median age in Buchanan is 31.5 years: 31.1 years for males, and 31.9 years for females.
Data after 2023 is projected based on recent change
The racial composition of Buchanan includes 100% White, and smaller percentages for and multiracial populations.
White (100.0%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 708 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Buchanan's average per capita income is $35,864. Household income levels show a median of $67,083. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Married Families | $70,893 | - |
| Households | $67,083 | $80,156 |
| Families | $66,500 | $79,500 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate