Kay County's estimated 2026 population is 43,069 with a growth rate of -0.43% in the past year according to the most recent United States census data. Kay County is the 24th largest county in Oklahoma. The 2010 population was 46,428 and has seen a growth of -7.23% since that time.
Data after 2023 is projected based on recent change
The racial composition of Kay County includes 74.38% White, 8.52% Native American, 3.15% other race, and smaller percentages for Black or African American, Asian, Native Hawaiian or Pacific Islander and multiracial populations.
White (74.38%)
Two or more races (11.16%)
Native American (8.52%)
Other race (3.15%)
Black or African American (2.16%)
Asian (0.58%)
Native Hawaiian or Pacific Islander (0.05%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 32,525 | 74.38% |
| Two or more races | 4,880 | 11.16% |
| Native American | 3,728 | 8.52% |
| Other race | 1,379 | 3.15% |
| Black or African American | 943 | 2.16% |
| Asian | 253 | 0.58% |
| Native Hawaiian or Pacific Islander | 23 | 0.05% |
Married
Widowed
Divorced
Separated
Never Married
Kay County's average per capita income is $39,105. Household income levels show a median of $56,673. The poverty rate stands at 15.54%.
Name | Median | Mean |
|---|---|---|
| Married Families | $84,666 | $107,759 |
| Families | $69,885 | $91,089 |
| Households | $56,673 | $77,337 |
| Non Families | $36,351 | $49,139 |
Average Income
Median Household Income
Poverty Rate
