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Cost of Living Comparison 2026

Data: HUD rent estimates, BLS cost of living

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Numbers update automatically as you type

You'd save $1.1K/month moving to St. Louis, MO

$150.0K in your current city equals $136.4K in St. Louis, MO

Rent data from HUD ZIP-level estimates · COL index from area
Overall Cost
15.1%
Less expensive
Monthly Impact
$1,135
Savings
Annual Impact
$13.6K
Per year

Based on monthly living costs (rent, groceries, utilities, transport, healthcare). Home purchase prices shown separately below.

Casa Grande, AZ

Population:64K
Cost Index:
100
100 = national average
Median Home:$472K

St. Louis, MO

Population:302K
Cost Index:
85
(15% below avg)
Median Home:$145K

Casa Grande, AZ

The Grand Canyon State

64K
Population
State Tax
Yes

Located in Arizona, this city has a population of 64K residents.

St. Louis, MO

The Show-Me State

302K
Population
State Tax
Yes

Located in Missouri, this city has a population of 302K residents.

Cost Breakdown by Category

Annual spending: Casa Grande, AZ vs St. Louis, MO

Housing
24.8%
Casa Grande, AZ
$2,488
St. Louis, MO
$1,871
Difference
$617
less
Transportation
15.6%
Casa Grande, AZ
$1,440
St. Louis, MO
$1,216
Difference
$224
less
Other
6.4%
Casa Grande, AZ
$1,716
St. Louis, MO
$1,607
Difference
$109
less
Healthcare
9.0%
Casa Grande, AZ
$579
St. Louis, MO
$527
Difference
$52.21
less
Groceries
0.6%
Casa Grande, AZ
$943
St. Louis, MO
$949
Difference
$5.90
more
All Utilities
0.3%
Casa Grande, AZ
$537
St. Louis, MO
$535
Difference
$1.88
less

🏛️ Local Income Taxes

St. Louis, MO: St. Louis Earnings Tax$1,500/yr (1.0%)

Casa Grande, AZ has no local income tax.

Local taxes are in addition to state income tax. Not all cities levy local income taxes.

🏠Rent Comparison

Studio
From$863
To$910
$47.00
1 Bed
From$1,028
To$950
$78.00
2 Bed
From$1,274
To$1,160
$114
3 Bed
From$1,809
To$1,490
$319
St. Louis, MOZIP-level data

1BR range: $800$1,480/mo

💡 Note: Rent prices are based on HUD Fair Market Rent data and represent median costs. Actual prices vary by neighborhood, amenities, and condition. Source: HUD Small Area Fair Market Rents FY2026.

$7,704
Monthly in Casa Grande, AZ
$6,705
Monthly in St. Louis, MO
$999
Difference

Home Values

Casa Grande
St. Louis
-
Median Value
$145K
-
YoY Change
↓ -0.8%
-
5-Year Change
↑ +10.9%
-
Price Range
$38K - $302K

Source: Zillow Home Value Index (ZHVI), January 2026

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings
$2.7K
More taxes
Monthly Difference
$225
Less take-home
Effective Rate Diff
1.8%
Rate difference

Casa Grande, AZ

Federal Income Tax
Effective: 18.9%
$25.5K
Arizona State Tax
Effective: 3.5%
$5.2K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 28.2%
$42.2K
Take-Home Pay
$8,979/month
$107.8K

St. Louis, MO

Federal Income Tax
Effective: 18.9%
$25.5K
Missouri State Tax
Effective: 5.3%
$7.9K
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 30.0%
$44.9K
Take-Home Pay
$8,755/month
$105.1K

Additional Tax Information

Casa Grande, AZ Tax Rates

Sales Tax:8.5%
Property Tax:0.6%

St. Louis, MO Tax Rates

Sales Tax:8.2%
Property Tax:1.0%

💡 Note: Tax calculations are estimates based on 2024/2025 tax brackets for single filers with standard deduction. Actual taxes may vary based on filing status, deductions, credits, and local variations.

Environment

Casa Grande
St. Louis
77 Moderate
Air Quality
54 Moderate
9%
Good Air Days
38%
100 Very High
Climate Risk
99 High
🔥🌊🌡
Top Hazards
🌊🌡🫨
+2.7°F
2050 Outlook
+3.0°F
160 days
Heat Days >95°F
39 days
+2.7°F
2050 Outlook
+3.0°F
160 days
Heat Days >95°F
39 days

What to Consider When Moving from Casa Grande, AZ to St. Louis, MO

Relocating from Casa Grande, AZ to St. Louis, MO involves more than just comparing rent prices. While the overall cost of living is about 15% lower in St. Louis, MO, your actual experience will depend on your lifestyle, job situation, and priorities. Here are the key factors to weigh before making the move.

Housing & Rent

Housing is typically the largest line item in any budget, and it’s where the biggest differences show up between cities. In this comparison, housing in St. Louis, MO is 25% cheaper than in Casa Grande, AZ. Keep in mind that neighborhood choice within a city can swing rent by 30–50%, so research specific areas — not just city averages — before signing a lease. If you’re buying, factor in property tax rates, which vary significantly by county and state.

Job Market & Salary Adjustments

A lower cost of living doesn’t help if your salary drops proportionally. Before committing to a move, research whether employers in St. Louis, MO pay comparable wages for your role. Remote workers may keep their current salary, but some companies adjust pay based on location. Use the salary calculator above to see what you’d need to earn in St. Louis, MO to match your current standard of living in Casa Grande, AZ.

Taxes & Take-Home Pay

State income tax, property tax, and sales tax all affect how far your paycheck stretches. Some states have no income tax but make up for it with higher property or sales taxes. The tax comparison section above breaks down how your take-home pay would change. Don’t forget about vehicle registration fees, tolls, and other state-specific costs that add up over a year.

Quality of Life & Lifestyle Fit

Numbers only tell part of the story. Consider climate preferences, commute times, proximity to family, school quality if you have children, healthcare access, and the general “feel” of a city. A place that’s 15% cheaper might not be worth it if it means a longer commute or fewer amenities you value. If possible, visit St. Louis, MO for a week before making a final decision — experiencing the day-to-day rhythm matters more than any spreadsheet.

Frequently Asked Questions: Casa Grande, AZ vs St. Louis, MO

Is St. Louis, MO cheaper than Casa Grande, AZ?

Yes, St. Louis, MO is about 15.1% cheaper than Casa Grande, AZ. You could save approximately $1,135/month on a $150,000 salary. Housing costs are 25% lower in St. Louis, MO.

What salary do I need in St. Louis, MO to match my lifestyle in Casa Grande, AZ?

If you currently earn $150,000 in Casa Grande, AZ, you would need approximately $136,377 in St. Louis, MO to maintain the same standard of living. This accounts for differences in housing, groceries, transportation, utilities, healthcare, and other typical expenses. Use the salary input above to adjust this based on your actual income.

How does rent compare between Casa Grande, AZ and St. Louis, MO?

A two-bedroom apartment averages $1,274/month in Casa Grande, AZ compared to $1,160/month in St. Louis, MO. One-bedroom apartments are $1,028/month in Casa Grande, AZ vs $950/month in St. Louis, MO. These are area-wide medians — specific neighborhoods can vary significantly. Check the ZIP-level rent breakdown above for more granular data.

Are groceries more expensive in Casa Grande, AZ or St. Louis, MO?

Grocery prices are very similar between Casa Grande, AZ and St. Louis, MO, with less than 1% difference. Your food budget would stay about the same.

What is the best time to move from Casa Grande, AZ to St. Louis, MO?

Most people find that moving during the off-season (October through March) results in lower moving costs, since demand for movers and rental trucks drops. If you're renting, you may also find more negotiable lease terms during winter months. However, if you have school-age children, summer moves allow for a smoother school transition. For the best combination of availability and price, consider moving in early fall or late spring.

💰 See how taxes change too — compare take-home pay between Arizona and Missouri on TaxTakeHome.com

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