Grand Bay, AL vs Rainbow City, AL
Grand Bay is moderately more affordable than Rainbow City, with a 6.5% lower cost of living index. Grand Bay scores 72 compared to 77 for Rainbow City, where the US average is 100. This difference means residents of Rainbow City can expect to pay noticeably more for everyday expenses, housing, and services.
On the housing front, median rent in Grand Bay is $963/month compared to $998/month in Rainbow City — a 4% difference. Home values follow the same pattern: Grand Bay is more affordable at $143,800 median vs $203,600.
Median household income in Grand Bay is $62,318 compared to $59,659 in Rainbow City (+4.5%). Grand Bay offers a double advantage: higher earnings combined with a lower cost of living, giving residents significantly more purchasing power. Looking at affordability, residents of Grand Bay spend roughly 18.5% of their income on rent, less than the 20.1% in Rainbow City.
Climate-wise, Grand Bay is notably warmer with an average of 67.8°F compared to 62.3°F in Rainbow City. Grand Bay receives more rainfall at 61.7" per year compared to 52.2" in Rainbow City.
Income & Cost
Housing
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Rent by Bedroom Size
HUD Fair Market Rent (FY 2026) — metro area average
Everyday Prices
BLS Average Prices by metro area
Climate
NOAA 30-year normals (1991-2020)