Blue Grass
- County:
- Scott County
- County Seat:
- No
- Area (mi²):
- 3.16
- State:
- Iowa
Blue Grass is a city located in Scott County, Iowa. Blue Grass has a 2026 population of 1,707. Blue Grass is currently growing at a rate of 0.95% annually and its population has increased by 2.46% since the most recent census, which recorded a population of 1,666 in 2020.