Fairfax is a city located in Atchison County, Missouri. Fairfax has a 2025 population of 617 . Fairfax is currently declining at a rate of -0.96% annually and its population has decreased by -4.64% since the most recent census, which recorded a population of 647 in 2020.
The average household income in Fairfax is $65,782 with a poverty rate of 16.06%. The median age in Fairfax is 48.7 years: 50.3 years for males, and 45.8 years for females. For every 100 females there are 89.8 males.
Data after 2023 is projected based on recent change
The racial composition of Fairfax includes 89.64% White, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander, other race and multiracial populations.
White (89.64%)
Two or more races (8.32%)
Black or African American (0.73%)
Native Hawaiian or Pacific Islander (0.73%)
Other race (0.58%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 614 | 89.64% |
| Two or more races | 57 | 8.32% |
| Black or African American | 5 | 0.73% |
| Native Hawaiian or Pacific Islander | 5 | 0.73% |
| Other race | 4 | 0.58% |
Married
Widowed
Divorced
Separated
Never Married
Fairfax's average per capita income is $40,313. Household income levels show a median of $54,107. The poverty rate stands at 16.06%.
Name | Median | Mean |
|---|---|---|
| Married Families | $66,806 | - |
| Families | $55,417 | $71,864 |
| Households | $54,107 | $65,782 |
| Non Families | $26,000 | $39,041 |
Average Income
Median Household Income
Poverty Rate