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North Merritt Island, FL vs San Castle, FL

116
North Merritt Island
Florida
VS
+7.3%
108
San Castle
Florida

San Castle is moderately more affordable than North Merritt Island, with a 7.3% lower cost of living index. North Merritt Island scores 116 compared to 108 for San Castle, where the US average is 100. This difference means residents of North Merritt Island can expect to pay noticeably more for everyday expenses, housing, and services.

On the housing front, median rent in North Merritt Island is $1,328/month compared to $1,589/month in San Castle — a 16% difference. Interestingly, home values tell a different story: while North Merritt Island has cheaper rent, San Castle actually has lower median home values ($256,400 vs $495,400).

Median household income in North Merritt Island is $113,897 compared to $51,615 in San Castle (+120.7%). While North Merritt Island is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of North Merritt Island spend roughly 14% of their income on rent, less than the 36.9% in San Castle. The North Merritt Island ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Climate-wise, San Castle is notably warmer with an average of 75.8°F compared to 71.6°F in North Merritt Island. San Castle receives more rainfall at 61.7" per year compared to 48.6" in North Merritt Island.

Income & Cost

Cost of Living Index
North Merritt Island
116
San Castle
108
7% cheaper
Median Household Income
North Merritt Island
$113,897
55% higher
San Castle
$51,615

Housing

Median Rent
North Merritt Island
$1,328
16% cheaper
San Castle
$1,589
Median Home Value
North Merritt Island
$495,400
San Castle
$256,400
48% cheaper
Population
North Merritt Island
8,903
San Castle
3,159

Salary Equivalency Calculator

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Everyday Prices

BLS Average Prices by metro area

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

Climate

NOAA 30-year normals (1991-2020)

Avg Temp
North Merritt Island 71.6°F
San Castle 75.8°F
Summer High
North Merritt Island 89°F
San Castle 90°F
Winter Low
North Merritt Island 50°F
San Castle 58°F
Rainfall
North Merritt Island 48.6"
San Castle 61.7"
Rainy Days
North Merritt Island 117d
San Castle 137d