Seward is located in Winnebago County, Illinois. Seward has a 2025 population of 845 . Seward is currently growing at a rate of 0.6% annually and its population has increased by 0.12% since the most recent census, which recorded a population of 844 in 2020.
The average household income in Seward is $114,033 with a poverty rate of 1.24%. The median age in Seward is 35.8 years: 35.4 years for males, and 36.9 years for females. For every 100 females there are 106.0 males.
Data after 2023 is projected based on recent change
The racial composition of Seward includes 100% White, and smaller percentages for and multiracial populations.
White (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 890 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Seward's average per capita income is $60,564. Household income levels show a median of $104,216. The poverty rate stands at 1.24%.
Name | Median | Mean |
|---|---|---|
| Families | $112,579 | $126,915 |
| Married Families | $112,579 | - |
| Households | $104,216 | $114,033 |
| Non Families | $67,500 | $61,750 |
Average Income
Median Household Income
Poverty Rate