
Blaine
- County:
- Grainger County
- County Seat:
- No
- Area (mi²):
- 9.516
- State:
- Tennessee
Blaine is a city located in Grainger County, Tennessee. Blaine has a 2025 population of 2,176. Blaine is currently growing at a rate of 0.88% annually and its population has increased by 4.46% since the most recent census, which recorded a population of 2,083 in 2020.
The average household income in Blaine is $80,858 with a poverty rate of 8.71%. The median age in Blaine is 39.3 years: 34.5 years for males, and 41.7 years for females.