Allen County's estimated 2026 population is 12,343 with a growth rate of -0.33% in the past year according to the most recent United States census data. Allen County is the 36th largest county in Kansas. The 2010 population was 13,363 and has seen a growth of -7.63% since that time.
Data after 2023 is projected based on recent change
The racial composition of Allen County includes 91.06% White, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander, Native American, Asian, other race and multiracial populations.
White (91.06%)
Two or more races (4.07%)
Black or African American (1.89%)
Native Hawaiian or Pacific Islander (0.86%)
Native American (0.78%)
Asian (0.74%)
Other race (0.58%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 11,374 | 91.06% |
| Two or more races | 509 | 4.07% |
| Black or African American | 236 | 1.89% |
| Native Hawaiian or Pacific Islander | 108 | 0.86% |
| Native American | 98 | 0.78% |
| Asian | 93 | 0.74% |
| Other race | 73 | 0.58% |
Married
Widowed
Divorced
Separated
Never Married
Allen County's average per capita income is $37,500. Household income levels show a median of $57,618. The poverty rate stands at 13.11%.
Name | Median | Mean |
|---|---|---|
| Married Families | $90,515 | - |
| Families | $73,658 | $82,584 |
| Households | $57,618 | $69,378 |
| Non Families | $29,792 | $40,704 |
Average Income
Median Household Income
Poverty Rate
