
Blue Jay
- County:
- Hamilton County
- County Seat:
- No
- Area (mi²):
- 4.374
- State:
- Ohio
Blue Jay is a CDP located in Hamilton County, Ohio. Blue Jay has a 2025 population of 2,029. Blue Jay is currently growing at a rate of 3.63% annually and its population has increased by 48.86% since the most recent census, which recorded a population of 1,363 in 2020.
The average household income in Blue Jay is $127,668 with a poverty rate of 4.76%. The median age in Blue Jay is 33.5 years: 38.1 years for males, and 32.5 years for females.