Centennial is located in Lyon County, Iowa. Centennial has a 2025 population of 285 . Centennial is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Centennial is $112,780 with a poverty rate of 0%. The median age in Centennial is 33 years: 30.3 years for males, and 33.6 years for females. For every 100 females there are 143.6 males.
Data after 2023 is projected based on recent change
The racial composition of Centennial includes 95.79% White, and smaller percentages for and multiracial populations.
White (95.79%)
Two or more races (4.21%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 273 | 95.79% |
| Two or more races | 12 | 4.21% |
Married
Widowed
Divorced
Separated
Never Married
Centennial's average per capita income is $59,896. Household income levels show a median of $141,167. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | $141,167 | $112,780 |
| Families | $141,167 | $112,780 |
| Married Families | $141,167 | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate