Silverdale is located in Cowley County, Kansas. Silverdale has a 2025 population of 351 . Silverdale is currently declining at a rate of 0% annually and its population has decreased by -0.28% since the most recent census, which recorded a population of 352 in 2020.
The average household income in Silverdale is $90,904 with a poverty rate of 34.3%. The median age in Silverdale is 50.3 years: 54 years for males, and 49.1 years for females. For every 100 females there are 89.7 males.
Data after 2023 is projected based on recent change
The racial composition of Silverdale includes 83.39% White, 4.69% Native American, and smaller percentages for and multiracial populations.
White (83.39%)
Two or more races (11.91%)
Native American (4.69%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 231 | 83.39% |
| Two or more races | 33 | 11.91% |
| Native American | 13 | 4.69% |
Married
Widowed
Divorced
Separated
Never Married
Silverdale's average per capita income is $45,395. Household income levels show a median of $97,829. The poverty rate stands at 34.3%.
Name | Median | Mean |
|---|---|---|
| Married Families | $99,539 | - |
| Families | $98,816 | $99,745 |
| Households | $97,829 | $90,904 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate