Buena Vista County's estimated 2026 population is 21,052 with a growth rate of 0.56% in the past year according to the most recent United States census data. Buena Vista County is the 30th largest county in Iowa. The 2010 population was 20,356 and has seen a growth of 3.42% since that time.
Data after 2023 is projected based on recent change
The racial composition of Buena Vista County includes 65.91% White, 10.13% Asian, 9.12% other race, 3.08% Black or African American, and smaller percentages for Native Hawaiian or Pacific Islander, Native American and multiracial populations.
White (65.91%)
Asian (10.13%)
Other race (9.12%)
Two or more races (9.04%)
Black or African American (3.08%)
Native Hawaiian or Pacific Islander (2.51%)
Native American (0.21%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 13,633 | 65.91% |
| Asian | 2,095 | 10.13% |
| Other race | 1,887 | 9.12% |
| Two or more races | 1,869 | 9.04% |
| Black or African American | 637 | 3.08% |
| Native Hawaiian or Pacific Islander | 519 | 2.51% |
| Native American | 44 | 0.21% |
Married
Widowed
Divorced
Separated
Never Married
Buena Vista County's average per capita income is $45,233. Household income levels show a median of $66,564. The poverty rate stands at 8.24%.
Name | Median | Mean |
|---|---|---|
| Married Families | $94,662 | - |
| Families | $91,125 | $108,357 |
| Households | $66,564 | $89,885 |
| Non Families | $48,492 | $58,476 |
Average Income
Median Household Income
Poverty Rate