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Casa Grande, AZ vs San Tan Valley, AZ

98
Casa Grande
Arizona
VS
-20.6%
123
San Tan Valley
Arizona

There is a significant gap in the cost of living between these two cities. Casa Grande is 20.6% cheaper than San Tan Valley. With a cost index of 98 vs 123, the difference would have a meaningful impact on a household's monthly budget. Someone relocating from Casa Grande to San Tan Valley should plan for substantially higher expenses across most categories.

On the housing front, median rent in Casa Grande is $1,315/month compared to $1,857/month in San Tan Valley — a 29% difference. Home values follow the same pattern: Casa Grande is more affordable at $258,200 median vs $365,900.

Median household income in Casa Grande is $66,354 compared to $93,642 in San Tan Valley (-29.1%). While San Tan Valley is more expensive, its higher salaries more than compensate — residents there may actually end up with more disposable income. Looking at affordability, residents of Casa Grande spend roughly 23.8% of their income on rent, less than the 23.8% in San Tan Valley.

Income & Cost

Cost of Living Index
Casa Grande
98
21% cheaper
San Tan Valley
123
Median Household Income
Casa Grande
$66,354
San Tan Valley
$93,642
29% higher

Housing

Median Rent
Casa Grande
$1,315
29% cheaper
San Tan Valley
$1,857
Median Home Value
Casa Grande
$258,200
29% cheaper
San Tan Valley
$365,900
Population
Casa Grande
57,590
San Tan Valley
105,231

Salary Equivalency Calculator

What does your salary in one city buy you in the other?

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Rent by Bedroom Size

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

Studio
Casa Grande $1,556
San Tan Valley $1,556
1 Bed
Casa Grande $1,692
San Tan Valley $1,692
2 Bed
Casa Grande $1,971
San Tan Valley $1,971
3 Bed
Casa Grande $2,634
San Tan Valley $2,634
4 Bed
Casa Grande $2,937
San Tan Valley $2,937

Everyday Prices

BLS Average Prices by metro area

Gasoline (regular)
Casa Grande $3.02
San Tan Valley $3.02
US $3.07
🥚
Eggs (grade A, large)
Casa Grande $2.46
San Tan Valley $2.46
US $2.50
🥛
Milk (whole)
Casa Grande $3.96
San Tan Valley $3.96
US $4.03
🍞
Bread (white)
Casa Grande $1.82
San Tan Valley $1.82
US $1.85
🍗
Chicken breast
Casa Grande $4.08
San Tan Valley $4.08
US $4.14
Electricity
Casa Grande $0.16
San Tan Valley $0.16
US $0.19