Dauphin Island, AL vs Highland Lakes, AL
Dauphin Island, AL and Highland Lakes, AL have a very similar cost of living, with only a 2% difference in their overall index. Dauphin Island scores 116 while Highland Lakes scores 118 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.
When it comes to buying, median home values in Dauphin Island are $387,400 compared to $562,600 in Highland Lakes, a 31% gap.
Median household income in Dauphin Island is $64,615 compared to $169,833 in Highland Lakes (-62%). While Highland Lakes is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income.
Climate-wise, Dauphin Island is notably warmer with an average of 67.8°F compared to 63.9°F in Highland Lakes. Dauphin Island receives more rainfall at 61.7" per year compared to 56.6" in Highland Lakes.
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)