Salary Comparison
Security Guards: O'Fallon vs Kailua
Side-by-side salary, take-home pay, cost of living, and lifestyle score.
O'Fallon, MO
$35,661/yr
Kailua, HI
$48,916/yr
Our recommendation: O'Fallon, MO
O'Fallon offers $748 more per month in disposable income, giving a stronger financial outcome despite a lower gross salary.
Full Breakdown
O'Fallon
Kailua
Diff (A−B)
Annual Gross Salary
$35,661
$48,916
$13,255
A vs B
Monthly Take-Home
After estimated federal + state taxes
$2,169
$2,976
$807
A vs B
Cost of Living Index
Lower is more affordable. US avg = 100
88
148
-60 pts
A vs B
Monthly Living Costs
Housing, food, transport, utilities, healthcare
$2,280
$3,835
$1,555
A vs B
Monthly Rent
$1,311
$2,206
$895
A vs B
Monthly Disposable
$-111
$-859
+$748
A vs B
Purchasing Power Score
Take-home ÷ living costs. Higher is better
0.95×
0.78×
+0.17×
A vs B
Lifestyle Score
3/10 (Tight)
2/10 (Tight)
+1
A vs B
O'Fallon — Full Details
Kailua — Full Details
Salary estimates based on BLS metro data. Cost of living from regional price indices. All figures are estimates; verify with employers before making decisions.