Louisa County's estimated 2026 population is 10,268 with a growth rate of -1.42% in the past year according to the most recent United States census data. Louisa County is the 70th largest county in Iowa. The 2010 population was 11,382 and has seen a growth of -9.79% since that time.
Data after 2023 is projected based on recent change
Overall: 41.9 years
Female: 43.4 years
Male: 41.1 years
There are 8,331 adults, (2,146 of whom are seniors) in Louisa County.
Female: 5,293 (49.6%)
Male: 5,385 (50.4%)
The racial composition of Louisa County includes 78.94% White, 9.21% other race, and smaller percentages for Asian, Black or African American, Native American and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 8,429 | 78.94% |
| Other race | 983 | 9.21% |
| Two or more races | 858 | 8.04% |
| Asian | 231 | 2.16% |
| Black or African American | 110 | 1.03% |
| Native American | 67 | 0.63% |
Louisa County's average per capita income is $47,914. Household income levels show a median of $77,354. The poverty rate stands at 9.77%.
Name | Median | Mean |
|---|---|---|
| Married Families | $99,301 | - |
| Families | $92,278 | $105,627 |
| Households | $77,354 | $93,435 |
| Non Families | $39,593 | $53,898 |
Average Income
Median Household Income
Poverty Rate
