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Siesta Key, FL vs Three Lakes, FL

198
Siesta Key
Florida
VS
+38.5%
143
Three Lakes
Florida

The cost of living difference between Siesta Key, FL and Three Lakes, FL is dramatic. Three Lakes is 38.5% cheaper than Siesta Key, a gap that translates to thousands of dollars per year in household expenses. Siesta Key has a cost index of 198 while Three Lakes sits at 143, making this one of the more striking comparisons on our site. Relocating between these cities would require a serious reassessment of budget and lifestyle expectations.

On the housing front, median rent in Siesta Key is $2,761/month compared to $2,255/month in Three Lakes — a 22% difference. Home values follow the same pattern: Three Lakes is more affordable at $434,800 median vs $954,300.

Median household income in Siesta Key is $119,427 compared to $91,364 in Three Lakes (+30.7%). The higher salaries in Siesta Key partially offset the cost difference, but don't fully close the gap. Looking at affordability, residents of Siesta Key spend roughly 27.7% of their income on rent, less than the 29.6% in Three Lakes.

Climate-wise, both cities share similar average temperatures (74.1°F vs 76.2°F). Three Lakes receives more rainfall at 56.1" per year compared to 49.1" in Siesta Key.

Income & Cost

Cost of Living Index
Siesta Key
198
Three Lakes
143
28% cheaper
Median Household Income
Siesta Key
$119,427
23% higher
Three Lakes
$91,364

Housing

Median Rent
Siesta Key
$2,761
Three Lakes
$2,255
18% cheaper
Median Home Value
Siesta Key
$954,300
Three Lakes
$434,800
54% cheaper
Population
Siesta Key
5,690
Three Lakes
16,426

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Siesta Key $2.95
Three Lakes $3.12
US $3.07
🥚
Eggs (grade A, large)
Siesta Key $2.41
Three Lakes $2.55
US $2.50
🥛
Milk (whole)
Siesta Key $3.88
Three Lakes $4.10
US $4.03
🍞
Bread (white)
Siesta Key $1.78
Three Lakes $1.88
US $1.85
🍗
Chicken breast
Siesta Key $3.99
Three Lakes $4.22
US $4.14
Electricity
Siesta Key $0.17
Three Lakes $0.19
US $0.19

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
Siesta Key 74.1°F
Three Lakes 76.2°F
Summer High
Siesta Key 91°F
Three Lakes 91°F
Winter Low
Siesta Key 52°F
Three Lakes 57°F
Rainfall
Siesta Key 49.1"
Three Lakes 56.1"
Rainy Days
Siesta Key 113d
Three Lakes 149d