Monona County's estimated 2026 population is 8,586 with a growth rate of 0.55% in the past year according to the most recent United States census data. Monona County is the 85th largest county in Iowa. The 2010 population was 9,249 and has seen a growth of -7.17% since that time.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 45.6 years
Male: 42.6 years
There are 6,622 adults, (2,084 of whom are seniors) in Monona County.
Female: 4,364 (51%)
Male: 4,193 (49%)
The racial composition of Monona County includes 93.42% White, and smaller percentages for Native American, Black or African American, other race and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 7,994 | 93.42% |
| Two or more races | 497 | 5.81% |
| Native American | 40 | 0.47% |
| Black or African American | 21 | 0.25% |
| Other race | 5 | 0.06% |
Monona County's average per capita income is $46,096. Household income levels show a median of $68,377. The poverty rate stands at 10.64%.
Name | Median | Mean |
|---|---|---|
| Married Families | $92,240 | - |
| Families | $84,667 | $97,962 |
| Households | $68,377 | $81,023 |
| Non Families | $36,085 | $48,819 |
Average Income
Median Household Income
Poverty Rate
