Decorah is a city located in Winneshiek County, Iowa. Decorah has a 2025 population of 7,422 . 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 -2.1% since the most recent census, which recorded a population of 7,581 in 2020.
The average household income in Decorah is $85,425 with a poverty rate of 7.69%. The median age in Decorah is 36.5 years: 36.8 years for males, and 35.7 years for females. For every 100 females there are 88.9 males.
Data after 2023 is projected based on recent change
The racial composition of Decorah includes 94.14% White, and smaller percentages for Asian, other race, Black or African American and multiracial populations.
White (94.14%)
Two or more races (3.15%)
Asian (1.28%)
Other race (0.72%)
Black or African American (0.71%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 7,152 | 94.14% |
| Two or more races | 239 | 3.15% |
| Asian | 97 | 1.28% |
| Other race | 55 | 0.72% |
| Black or African American | 54 | 0.71% |
Married
Widowed
Divorced
Separated
Never Married
Decorah's average per capita income is $45,024. Household income levels show a median of $62,177. The poverty rate stands at 7.69%.
Name | Median | Mean |
|---|---|---|
| Married Families | $96,573 | - |
| Families | $90,085 | $110,854 |
| Households | $62,177 | $85,425 |
| Non Families | $42,866 | $52,747 |
Average Income
Median Household Income
Poverty Rate