Catonsville, MD vs Gaithersburg, MD

Catonsville is moderately more affordable than Gaithersburg, with a 13% lower cost of living index. Catonsville scores 121 compared to 139 for Gaithersburg, where the US average is 100. This difference means residents of Gaithersburg can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in Catonsville is $1,697/month compared to $2,008/month in Gaithersburg — a 16% difference. Home values follow the same pattern: Catonsville is more affordable at $405,800 median vs $484,500.

Median household income in Catonsville is $110,051 compared to $107,496 in Gaithersburg (+2.4%). Catonsville offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Catonsville spend roughly 18.5% of their income on rent, less than the 22.4% in Gaithersburg.

Climate-wise, Catonsville is notably warmer with an average of 59.1°F compared to 55.7°F in Gaithersburg. Catonsville receives more rainfall at 43.7" per year compared to 43.2" in Gaithersburg.