Commack, NY vs Stony Brook, NY

Commack, NY and Stony Brook, NY have a very similar cost of living, with only a 1.5% difference in their overall index. Commack scores 165 while Stony Brook scores 168 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 Commack is $2,396/month compared to $2,643/month in Stony Brook — a 9% difference. Interestingly, home values tell a different story: while Commack has cheaper rent, Stony Brook actually has lower median home values ($587,300 vs $647,000).

Median household income in Commack is $170,375 compared to $162,054 in Stony Brook (+5.1%). Commack offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Commack spend roughly 16.9% of their income on rent, less than the 19.6% in Stony Brook.