Fairmount is located in Butler County, Kansas. Fairmount has a 2025 population of 465 . Fairmount is currently declining at a rate of -1.69% annually and its population has decreased by -3.33% since the most recent census, which recorded a population of 481 in 2020.
The average household income in Fairmount is $91,462 with a poverty rate of 22.35%. The median age in Fairmount is 28.5 years: 28.1 years for males, and 28.9 years for females. For every 100 females there are 94.6 males.
Data after 2023 is projected based on recent change
The racial composition of Fairmount includes 96.46% White, and smaller percentages for Two or more races, Asian and multiracial populations.
White (96.46%)
Two or more races (2.23%)
Asian (1.3%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 518 | 96.46% |
| Two or more races | 12 | 2.23% |
| Asian | 7 | 1.3% |
Married
Widowed
Divorced
Separated
Never Married
Fairmount's average per capita income is $49,938. Household income levels show a median of $78,958. The poverty rate stands at 22.35%.
Name | Median | Mean |
|---|---|---|
| Families | $85,714 | $100,419 |
| Married Families | $85,714 | - |
| Households | $78,958 | $91,462 |
| Non Families | $58,125 | $60,228 |
Average Income
Median Household Income
Poverty Rate