Plumb is located in Wabaunsee County, Kansas. Plumb has a 2025 population of 614 . Plumb is currently growing at a rate of 0.33% annually and its population has increased by 3.72% since the most recent census, which recorded a population of 592 in 2020.
The average household income in Plumb is $84,921 with a poverty rate of 2.13%. The median age in Plumb is 43 years: 33 years for males, and 47.7 years for females. For every 100 females there are 73.1 males.
Data after 2023 is projected based on recent change
The racial composition of Plumb includes 95.22% White, and smaller percentages for Black or African American and multiracial populations.
White (95.22%)
Two or more races (3.39%)
Black or African American (1.39%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 618 | 95.22% |
| Two or more races | 22 | 3.39% |
| Black or African American | 9 | 1.39% |
Married
Widowed
Divorced
Separated
Never Married
Plumb's average per capita income is $49,306. Household income levels show a median of $75,595. The poverty rate stands at 2.13%.
Name | Median | Mean |
|---|---|---|
| Married Families | $87,875 | - |
| Families | $77,321 | $93,372 |
| Households | $75,595 | $84,921 |
| Non Families | $39,375 | $40,148 |
Average Income
Median Household Income
Poverty Rate