Kay County's estimated 2026 population is 43,343 with a growth rate of -0.34% in the past year according to the most recent United States census data. Kay County is the 23rd largest county in Oklahoma. The 2010 population was 46,428 and has seen a growth of -6.64% since that time.
Data after 2023 is projected based on recent change
Overall: 38.5 years
Female: 39.6 years
Male: 37.4 years
There are 32,803 adults, (8,448 of whom are seniors) in Kay County.
Female: 21,687 (49.7%)
Male: 21,938 (50.3%)
The racial composition of Kay County includes 74.13% White, 7.43% Native American, 3.05% other race, and smaller percentages for Black or African American, Native Hawaiian or Pacific Islander, Asian and multiracial populations.
Race | Population | Percentage (of total) |
|---|---|---|
| White | 32,338 | 74.13% |
| Two or more races | 5,368 | 12.3% |
| Native American | 3,240 | 7.43% |
| Other race | 1,330 | 3.05% |
| Black or African American | 864 | 1.98% |
| Native Hawaiian or Pacific Islander | 254 | 0.58% |
| Asian | 231 | 0.53% |
Kay County's average per capita income is $40,522. Household income levels show a median of $58,423. The poverty rate stands at 16%.
Name | Median | Mean |
|---|---|---|
| Married Families | $87,191 | $107,885 |
| Families | $73,504 | $92,150 |
| Households | $58,423 | $77,308 |
| Non Families | $34,587 | $46,822 |
Average Income
Median Household Income
Poverty Rate