Fairmount is located in Leavenworth County, Kansas. Fairmount has a 2025 population of 12,905 . Fairmount is currently growing at a rate of 2.62% annually and its population has increased by 14.03% since the most recent census, which recorded a population of 11,317 in 2020.
The average household income in Fairmount is $121,393 with a poverty rate of 6.46%. The median age in Fairmount is 39.5 years: 39.7 years for males, and 39 years for females. For every 100 females there are 91.9 males.
Data after 2023 is projected based on recent change
The racial composition of Fairmount includes 89.61% White, 4.36% other race, and smaller percentages for Black or African American, Asian, Native American and multiracial populations.
White (89.61%)
Other race (4.36%)
Two or more races (3.28%)
Black or African American (1.86%)
Asian (0.74%)
Native American (0.15%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 10,452 | 89.61% |
| Other race | 509 | 4.36% |
| Two or more races | 382 | 3.28% |
| Black or African American | 217 | 1.86% |
| Asian | 86 | 0.74% |
| Native American | 18 | 0.15% |
Married
Widowed
Divorced
Separated
Never Married
Fairmount's average per capita income is $69,934. Household income levels show a median of $109,079. The poverty rate stands at 6.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $134,556 | - |
| Families | $122,097 | $136,188 |
| Households | $109,079 | $121,393 |
| Non Families | $49,485 | $66,534 |
Average Income
Median Household Income
Poverty Rate