For one person, living costs in O'Fallon, MO are estimated at $2,381 a month, including rent and utilities, which take more than half of the total. Other living expenses average about $35 a day.
Real prices from locals and on-the-ground checks – rent, groceries, transit and the daily extras. Here's what a month in O'Fallon, MO actually costs, broken down by who's living it.
Living costs for one person come to about $2,381 monthly including rent, or $1,049 excluding housing.
$2,381 /mo
Estimated monthly costs for a couple: $3,305 with rent, or $1,757 without housing.
$3,305 /mo
Monthly costs for a family of three come to about $4,229 including rent, or $2,464 for daily expenses alone.
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$24.2K$24.2K
$24.2K$24.2K
$35.3K$35.3K
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$24.2K$24.2K
$24.2K$24.2K
$27.6K$27.6K
🧾 Monthly Utilities & Internet
Cost
Range
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$123$123
$98.7$98.7
$493$493
SIM Card Monthly Plan(Calls and 10GB+ Data)
$58.5$58.5
$29.88$29.88
$147$147
Internet(50+ Mbps, Unlimited Data)
$70.7$70.7
$60.6$60.6
$101$101
🎉 Sport & Entertainment
Cost
Range
Cinema Ticket
$10.06$10.06
$8.35$8.35
$15.71$15.71
🧸 Childcare & Education
Cost
Range
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$768$768
$601$601
$1,002$1,002
International Primary School, 1 Child(Yearly)
$20.3K$20.3K
$20.3K$20.3K
$20.3K$20.3K
👕👟 Clothing & Footwear
Cost
Range
Jeans(Levis 501 Or Similar)
$54.1$54.1
$24.58$24.58
$123$123
Summer Dress(H&M, Zara, etc)
$37.31$37.31
$25.44$25.44
$76.3$76.3
Sport Shoes(Adidas, Nike)
$76.7$76.7
$54.8$54.8
$149$149
Men's Leather Business Shoes
$70.2$70.2
$40.09$40.09
$150$150
🏠 Accommodation & Living
Cost
Range
1-bedroom Apartment, City Center(Monthly)
$1,181$1,181
$1,181$1,181
$1,181$1,181
1-bedroom Apartment, Outside City Center(Monthly)
$1,208$1,208
$1,011$1,011
$1,406$1,406
3-bedroom Apartment, City Center(Monthly)
$1,687$1,687
$1,488$1,488
$2,084$2,084
3-bedroom Apartment, Outside City Center(Monthly)
$1,641$1,641
$1,407$1,407
$2,010$2,010
Buy Apartment in City Center(m2)
$1,586$1,586
-
Buy Apartment Outside City Center(m2)
$1,613$1,613
-
💵 Salaries & Financials
Cost
Range
Average Monthly Net Salary(After Tax)
$5,001$5,001
-
20-Year Fixed Mortgage Interest Rate(Annual %)
6.25
6
7.58
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update: October 18, 2026
Monthly budget structure
Share of the monthly basket for one person, rent included.
Share of the monthly basket for a family of three, rent included.
O'Fallon, MO$2,381
O'Fallon, MO$4,229
🏠Accommodation & Living
$1.2K 50.8%
🛒Groceries & Markets
$302 12.7%
🍽Eating Out
$264 11.1%
🧾Monthly Utilities & Internet
$253 10.6%
🚌Getting Around
$227 * 9.6%
👕👟Clothing & Footwear
$107 4.5%
🎉Sport & Entertainment
$20 * 0.9%
Categories marked with * are only partly priced – their share counts the items that do have prices.
🏠Accommodation & Living
$1.6K 38.8%
🛒Groceries & Markets
$695 16.4%
🍽Eating Out
$848 20.1%
🧾Monthly Utilities & Internet
$311 7.4%
🚌Getting Around
$455 * 10.8%
👕👟Clothing & Footwear
$238 5.6%
🎉Sport & Entertainment
$40 * 1%
Categories marked with * are only partly priced – their share counts the items that do have prices.
Cost Breakdown
🏠Expect to pay about $1,181 for a central one-bedroom, or $1,208 outside the center. At 24% of the average salary ($5,001), housing is the biggest financial pressure.
💰Average take-home pay sits at $5,001, while typical expenses reach $2,381. This leaves solid room for saving and lifestyle spending.
🛒Expect to spend about $302 monthly on groceries. Dining out at a mid-range restaurant costs roughly $60.0 for two.
🚌Public transport is priced at around $217 per month.
Cost Highlights
⭐O'Fallon, MO has the 10th most expensive public transport monthly pass worldwide
⭐Local beer is cheaper than 91% of cities in North America
⭐Cappuccino is cheaper than 90% of cities in North America
Cost of Living in O'Fallon, MO - Frequently Asked Questions
How does O'Fallon, MO compare in terms of overall affordability for travelers, expats, and digital nomads?
From a traveler’s perspective, O'Fallon blends suburban calm with easy access to St. Louis amenities. You'll find housing options that feel affordable for a range of plans, with rentals or purchases that stay reasonable relative to larger metros. Groceries and dining strike a balanced note – quality options without steep price tags – especially outside the city core. Neighborhoods range from compact, walkable streets to newer developments with parks and services, so you can choose value without sacrificing convenience. The city is approachable for short and longer stays, with reliable services and a friendly pace. Cost of Living in O'Fallon, MO, United States. Tip: Plan week-by-week to balance work and exploration.
What does daily life look like in O'Fallon for a short or extended stay in terms of housing search, food options, transport, and co-working?
Daily life in O'Fallon feels approachable for a short or extended stay. Housing search centers on family-friendly neighborhoods and quieter suburbs with reasonable access to amenities; look for mid-rise apartments near shopping hubs or starter homes near parks. Food options range from classic American markets to diverse eateries, with bakeries and farms nearby supporting fresh produce. For transport, a car is convenient, but you can rely on local roads, bike lanes, and occasional bus routes if you plan to stay close to town centers. O'Fallon, MO, United States living cost is generally moderate, with value anchored in quality services. Tip: Build a two-week trial plan to test your commute and routines.
What factors drive quality of life in O'Fallon, and how can you budget and choose a neighborhood that fits your seasonality and routines?
Quality of life in O'Fallon tends to reward planning and flexibility. A practical budgeting framework blends fixed costs (housing and utilities) with variable expenses (groceries, transport, healthcare) and leisure. Neighborhood fit matters: for quiet evenings, look at lakeside or shaded cul-de-sacs; for social life, near town centers with parks and schools. Seasonality is mild, but you’ll notice shifts in activity and outdoor options across spring and autumn – perfect for weekend explorations. To save, consider long-term rental options, buy-in for shared co-working spaces during peak work periods, and prep meals at home. Tip: Create a simple monthly template and adjust as you settle.
Is O'Fallon, MO worth the cost of living?
At around $2,381 monthly all-in, O'Fallon, MO offers decent value. It's not the cheapest and not the priciest – a good fit for people who want city convenience without capital-level costs.
Is O'Fallon, MO expensive to live in?
Everyday life in O'Fallon, MO is moderately priced at about $2,381 per month, rent included. Groceries and transport stay reasonable, though dining out and entertainment can feel a bit pricier than in budget destinations.
What is a good salary in O'Fallon, MO?
Earning $3,571 monthly in O'Fallon, MO means you're living well – a one-bedroom, regular groceries, transport, and some entertainment without stress. That's the threshold where most residents feel genuinely comfortable rather than just getting by.
How much does a 1-bedroom apartment cost in O'Fallon, MO?
Rents for a 1-bedroom flat in O'Fallon, MO range from $1,208 to $1,181, depending on location and condition. Central apartments sit at the top of that range; outer neighborhoods and suburbs deliver noticeably better value per square meter.
How much does public transport cost per month in O'Fallon, MO?
A monthly transit pass in O'Fallon, MO runs about $217, with good coverage across residential and business areas. It's entirely feasible to live car-free here for daily commuting and errands.
How much is public transport in O'Fallon, MO?
A monthly transit pass in O'Fallon, MO goes for roughly $217, which is one of the lighter items on a monthly budget. Coverage across residential and business areas is solid, and most residents without a car rely on it daily.
Can a person live on $2,000 monthly in O'Fallon, MO?
Living on $2,000 in O'Fallon, MO means careful planning, since monthly costs average $2,381. It works with a cheap apartment and disciplined spending, but expect trade-offs on where you live, how often you eat out, and entertainment.
Is O'Fallon, MO a good place to live?
Living in O'Fallon, MO means access to fast internet at about $2,381 per month including rent. It works for a wide range of budgets, and most residents find the lifestyle-to-cost balance appealing. Your experience will depend on priorities like climate, culture, and career.
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