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Casas Adobes, AZ vs Sun City, AZ

105
Casas Adobes
Arizona
VS
+2.5%
102
Sun City
Arizona

Casas Adobes, AZ and Sun City, AZ have a very similar cost of living, with only a 2.5% difference in their overall index. Casas Adobes scores 105 while Sun City scores 102 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.

On the housing front, median rent in Casas Adobes is $1,516/month compared to $1,457/month in Sun City — a 4% difference. Home values follow the same pattern: Sun City is more affordable at $259,800 median vs $311,100.

Median household income in Casas Adobes is $81,041 compared to $52,111 in Sun City (+55.5%). While Casas Adobes is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Casas Adobes spend roughly 22.4% of their income on rent, less than the 33.6% in Sun City. The Casas Adobes ratio exceeds the commonly recommended 30% threshold, which can put pressure on household budgets.

Income & Cost

Cost of Living Index
Casas Adobes
105
Sun City
102
2% cheaper
Median Household Income
Casas Adobes
$81,041
36% higher
Sun City
$52,111

Housing

Median Rent
Casas Adobes
$1,516
Sun City
$1,457
4% cheaper
Median Home Value
Casas Adobes
$311,100
Sun City
$259,800
16% cheaper
Population
Casas Adobes
70,770
Sun City
38,018

Salary Equivalency Calculator

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Rent by Bedroom Size

HUD Fair Market Rent (FY 2026) — metro area average

Studio
Casas Adobes $1,072
Sun City $1,556
31% cheaper
1 Bed
Casas Adobes $1,198
Sun City $1,692
29% cheaper
2 Bed
Casas Adobes $1,544
Sun City $1,971
22% cheaper
3 Bed
Casas Adobes $2,146
Sun City $2,634
19% cheaper
4 Bed
Casas Adobes $2,462
Sun City $2,937
16% cheaper

Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Casas Adobes $2.97
Sun City $3.02
US $3.07
🥚
Eggs (grade A, large)
Casas Adobes $2.42
Sun City $2.46
US $2.50
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Milk (whole)
Casas Adobes $3.90
Sun City $3.96
US $4.03
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Bread (white)
Casas Adobes $1.79
Sun City $1.82
US $1.85
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Chicken breast
Casas Adobes $4.01
Sun City $4.08
US $4.14
Electricity
Casas Adobes $0.16
Sun City $0.16
US $0.19