Decorah is a city located in Winneshiek County, Iowa. Decorah has a 2026 population of 7,390. It is also the county seat of Winneshiek County. Decorah is currently declining at a rate of -0.43% annually and its population has decreased by -2.52% since the most recent census, which recorded a population of 7,581 in 2020.
The median household income in Decorah is $64,366 with a poverty rate of 8.14%. The median age in Decorah is 39.5 years: 37.7 years for males, and 40.6 years for females. For every 100 females there are 87.9 males.
Data after 2023 is projected based on recent change
Overall: 39.5 years
Female: 40.6 years
Male: 37.7 years
There are 6,599 adults, (1,807 of whom are seniors) in Decorah.
Female: 4,011 (53.2%)
Male: 3,524 (46.8%)
The racial composition of Decorah includes 90.4% White, and smaller percentages for Asian, Black or African American, other race, Native American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 6,812 | 90.4% |
| Two or more races | 459 | 6.09% |
| Asian | 98 | 1.3% |
| Black or African American | 81 | 1.07% |
| Other race | 55 | 0.73% |
| Native American | 30 | 0.4% |
Decorah 's average per capita income is $45,859. Household income levels show a median of $64,366. The poverty rate stands at 8.14%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $94,828 | - |
| Families | $93,147 | $116,555 |
| Households | $64,366 | $85,431 |
| Non Families | $41,464 | $49,543 |
Average Income
Median Household Income
Poverty Rate