
Bostonia
- County:
- San Diego County
- County Seat:
- No
- Area (mi²):
- 1.926
- State:
- California
Bostonia is a CDP located in San Diego County, California. Bostonia has a 2025 population of 17,218. Bostonia is currently growing at a rate of 0.72% annually but its population has decreased by -1.79% since the most recent census, which recorded a population of 17,532 in 2020.
The average household income in Bostonia is $92,956 with a poverty rate of 15.36%. The median age in Bostonia is 34.4 years: 33.6 years for males, and 36.3 years for females.