Groton, CT vs Watertown, CT

Groton, CT and Watertown, CT have a very similar cost of living, with only a 2.1% difference in their overall index. Groton scores 94 while Watertown scores 92 on the cost of living index, where 100 represents the national average. The day-to-day expenses for residents in both cities are comparable, though differences emerge when looking at specific categories.

On the housing front, median rent in Groton is $1,179/month compared to $1,115/month in Watertown — a 6% difference. Home values follow the same pattern: Watertown is more affordable at $278,500 median vs $278,900.

Median household income in Groton is $69,811 compared to $98,003 in Watertown (-28.8%). Watertown offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Groton spend roughly 20.3% of their income on rent, more than the 13.7% in Watertown.