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Cost of Living Comparison 2026

📍 O'Fallon, MO — COL adjusted from St. Louis, MO area + state data

$

Numbers update automatically as you type

You'd spend $1.6K/month more in Nashville, TN

$150.0K in your current city equals $168.8K in Nashville, TN

Rent data from HUD ZIP-level estimates · COL index from St. Louis, MO-IL area
Overall Cost
↑ 20.9%
More expensive
Monthly Impact
$1,567
Extra cost
Annual Impact
$18.8K
Per year

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

O'Fallon, MO

Population:94K
Cost Index:100
Median Home:$145K

Nashville, TN

Population:689K
Cost Index:121
Median Home:$489K

O'Fallon, MO

The Show-Me State

94K
Population
State Tax
Yes

Located in Missouri, this city has a population of 94K residents.

Nashville, TN

The Volunteer State

689K
Population
State Tax
No Income Tax
Climate
Humid subtropical

Notable Facts

  • •Music City USA
  • •Country music capital
  • •Healthcare industry hub

Major Industries

Music IndustryHealthcareTourismFinance

Cost Breakdown by Category

Annual spending: O'Fallon, MO vs Nashville, TN

🏠Housing
↑ 60.7%
O'Fallon, MO
$1,649
Nashville, TN
$2,651
Difference
$1,002
more
📦Other
↑ 23.4%
O'Fallon, MO
$1,574
Nashville, TN
$1,942
Difference
$368
more
🚗Transportation
↑ 7.9%
O'Fallon, MO
$1,191
Nashville, TN
$1,284
Difference
$93.46
more
🏥Healthcare
↑ 16.5%
O'Fallon, MO
$521
Nashville, TN
$607
Difference
$86.02
more
⚡All Utilities
↓ 2.0%
O'Fallon, MO
$530
Nashville, TN
$519
Difference
$10.82
less
🛒Groceries
↑ 1.1%
O'Fallon, MO
$939
Nashville, TN
$949
Difference
$9.88
more

🏠Rent Comparison

Studio
From$541
To$1,600
↑ $1,059
1 Bed
From$624
To$1,680
↑ $1,056
2 Bed
From$749
To$1,840
↑ $1,091
3 Bed
From$1,041
To$2,350
↑ $1,309
Nashville, TNZIP-level data

1BR range: $1,320–$2,230/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.

$6,404
Monthly in O'Fallon, MO
$7,952
Monthly in Nashville, TN
$1,548
Difference

Home Values

O'Fallon
Nashville
-
Median Value
$489K
-
YoY Change
↓ -2.1%
-
5-Year Change
↑ +32.1%
-
Price Range
$320K - $1.16M
Calculate payment - Nashville

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

Tax Comparison

Annual tax burden comparison at $150.0K salary

Tax Savings
↑ $7.9K
Per year
Monthly Difference
$661
More take-home
Effective Rate Diff
5.3%
Rate difference

O'Fallon, 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

Nashville, TN

Federal Income Tax
Effective: 18.9%
$25.5K
Tennessee State Tax
No state income tax
$0
FICA Taxes
Social Security + Medicare
$11.5K
Total Taxes
Effective: 24.7%
$37.0K
Take-Home Pay
$9,416/month
$113.0K

Additional Tax Information

O'Fallon, MO Tax Rates

Sales Tax:8.2%
Property Tax:1.0%

Nashville, TN Tax Rates

Sales Tax:9.5%
Property Tax:0.7%

💡 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

O'Fallon
Nashville
54 Moderate
Air Quality
50 Good
38%
Good Air Days
51.6%
99 High
Climate Risk
97 High
🌊🌡🫨
Top Hazards
🌊🫨🌪
▲+3.0°F
2050 Outlook
▲+2.8°F
39 days
Heat Days >95°F
42 days
▲+3.0°F
2050 Outlook
▲+2.8°F
39 days
Heat Days >95°F
42 days

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

Similar cost to Nashville, TN

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