Salary & Cost of Living in O Fallon, IL
O Fallon, IL: $50,632 median salary, cost of living index 93.3, $14.00/hr minimum wage. Calculate your take-home pay with our free paycheck calculator.
Median Salary
$50,632
$24/hr
Cost of Living
93.3
US avg = 100
Minimum Wage
$14.00
per hour
Unemployment
4.8%
rate
O Fallon, IL Overview
Population
32,024
Median Salary
$50,632
Average Salary
$56,708
Avg Commute
20 min
Median Home Price
$234,000
Median Rent
$952/mo
Job Growth
+0.6%
Sales Tax
6.25%
O Fallon is located in Illinois with a population of 32,024. The median household salary is $50,632 per year ($24/hour), which is $8,752 below the national median of $59,384. The average commute time is 20 minutes, and the city has a job growth rate of +0.6%.
O Fallon Salary by Experience Level (2026)
Wage distribution in O Fallon, IL based on BLS percentile breakdown of the $50,632 median salary. Entry-level represents 10th–25th percentile; mid-level is the median; senior-level represents 75th–90th percentile.
| Experience Level | Annual Salary | Hourly Wage | Years Exp |
|---|---|---|---|
| Entry-Level | $31,392 | $15.09/hr | 0–2 years |
| Mid-Level (Median) | $50,632 | $24.34/hr | 3–7 years |
| Senior-Level | $71,897 | $34.56/hr | 8–15 years |
| Top 10% (90th Percentile) | $90,125 | $43.33/hr | 15+ years / leadership |
Percentile multipliers (62%, 100%, 142%, 178%) derived from 2024 BLS Occupational Employment and Wage Statistics distribution across all occupations in metro areas. Specific roles vary; see jobs by city for role-specific data.
O Fallon Paycheck Calculator
Enter your annual salary to see your estimated take-home pay in O Fallon, IL, after federal, state, and local taxes.
Estimated Annual Take-Home Pay
$40,215
$3,351.25/month · $1,546.73/biweekly · Effective Rate: 20.6%
Gross Pay
$50,632
Federal Tax
-$4,037
State Tax
-$2,506
Local Tax
$0
FICA
-$3,873
Net Pay
$40,215
Pay Breakdown
| Item | Monthly | Annual |
|---|---|---|
| Gross Salary | $4,219.33 | $50,632.00 |
| Federal Income Tax | -$336.45 | -$4,037.34 |
| Illinois State Tax (4.95%) | -$208.86 | -$2,506.28 |
| Social Security (6.2%) | -$261.60 | -$3,139.18 |
| Medicare (1.45%) | -$61.18 | -$734.16 |
| Net Take-Home Pay | $3,351.25 | $40,215.03 |
Salary Comparison: O Fallon vs Other Cities
See how O Fallon's median salary and cost of living compare to the national average and similar cities.
| City | Median Salary | COL Index | Adj. Salary |
|---|---|---|---|
| O Fallon, IL | $50,632 | 93.3 | $54,268 |
| National Average | $59,384 | 100 | $59,384 |
| Goldsboro, NC | $50,634 | 90.4 | $56,011 |
| Algonquin, IL | $50,629 | 93 | $54,440 |
| Fortuna Foothills, AZ | $50,627 | 96.5 | $52,463 |
| Coppell, TX | $50,649 | 88 | $57,556 |
Adjusted salary reflects purchasing power when cost of living is factored in. A higher adjusted salary means your money goes further.
Cost of Living in O Fallon
O Fallon's cost of living index is 93.3 (national average = 100). Living in O Fallon is 6.700000000000003% less expensive than the national average.
Median Home Price
$234,000
Median Monthly Rent
$952
Annual Rent Cost
$11,424
Your Salary's Purchasing Power
Your $40,215 annual take-home pay in O Fallon has the purchasing power of approximately $43,103 in an average-cost US area. Your $50,632 salary stretches further here than in most US cities.
Top Industries in O Fallon
O Fallon's economy is driven by these key industries. Workers in top industries often earn significantly above the median salary of $50,632.
Salary Tips for O Fallon Workers
- Research top industries. O Fallon's top industries include Finance, Manufacturing, Technology. Targeting roles in these sectors can help you earn above the $50,632 median salary.
- Review your W-4 withholding. If you regularly receive large tax refunds, adjust your W-4 to increase your per-paycheck take-home pay instead of giving the government an interest-free loan.
Methodology & Local Economy Data Sources
How we calculate O Fallon salary data: Our citywide compensation figures aggregate occupation-specific salary data from BLS Occupational Employment and Wage Statistics for the O Fallon-IL metropolitan statistical area (MSA), weighted by local employment counts. Cost-of-living adjustments use the C2ER Cost of Living Index baseline of 100 (national average), with O Fallon indexed at 93.3.
- Median salary calculation: weighted average of O Fallon's occupation-specific medians from BLS OEWS, adjusted for local cost of living. Net result: $50,632 annual median.
- Tax burden reflects Illinois state income tax (4.95%) (no local income tax), sales tax (6.25%), and federal taxes per IRS 2026 brackets.
- Unemployment rate for O Fallon: 4.8%, sourced from BLS Local Area Unemployment Statistics (LAUS).
- Top industries: Finance, Manufacturing, Technology — based on QCEW employment concentration data.
- Job growth: 0.6% projected through 2034, derived from BLS Employment Projections program for Illinois.
- Housing context: median home price $234,000, median rent $952/mo, sourced from Census American Community Survey 5-year estimates.
Authoritative US data sources for O Fallon, IL:
- BLS Occupational Employment and Wage Statistics (OEWS) — metropolitan area salary data
- BLS Local Area Unemployment Statistics — O Fallon unemployment rate
- U.S. Census Bureau — O Fallon QuickFacts — population, housing, demographics
- BLS Quarterly Census of Employment and Wages (QCEW) — county-level industry employment
- BLS Economy at a Glance — Illinois — state economic indicators
- U.S. Bureau of Economic Analysis (BEA) — local GDP and personal income data
- BLS Consumer Price Index (CPI-U) — regional inflation tracking
Disclaimer: Salary and cost data are estimates for general guidance. Individual compensation varies by employer, experience, education, negotiation, and skills. O Fallon's rapidly changing economy can shift these baselines — always verify with current job listings, employer offers, and recent Illinois labor market reports for the most current figures.
Reviewed by Brazora Monk· Last updated 2026 · BLS & Census data current as of latest releases
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Frequently Asked Questions
What is the median salary in O Fallon, IL?
The median salary in O Fallon, IL is $50,632 per year, or $24 per hour. The average salary is $56,708. This is $8,752 below the national median of $59,384.
What is the cost of living in O Fallon, IL?
O Fallon's cost of living index is 93.3 (national average = 100), meaning it is 6.700000000000003% less expensive compared to the national average. The median home price is $234,000 and the median monthly rent is $952.
What are the best industries in O Fallon?
The top industries in O Fallon, IL include Finance, Manufacturing, Technology. The city has a job growth rate of 0.6% and an unemployment rate of 4.8%. Workers in these industries often earn above the city's median salary of $50,632.
How does O Fallon's salary compare to other cities?
O Fallon's median salary of $50,632 is 14.7% below the national median of $59,384. However, when adjusted for cost of living (index: 93.3), the real purchasing power is approximately $54,268.
What is the minimum wage in O Fallon, IL?
The minimum wage in O Fallon, IL is $14.00 per hour. This equals approximately $29,120 per year for a full-time worker (40 hours/week). This is $6.75 above the federal minimum wage of $7.25/hour.