Direct Answer
Decatur, IL has a CostOfCity index of 78, which is 22% below the national baseline. Average modeled rent is $892/month and the single-adult living cost estimate is $3,109/month.
How to Use This City Page
Cost of Living in Decatur: The Full Picture
What does it cost to live in Decatur, IL? The honest answer depends on your lifestyle, but the data gives clear guideposts. With an economy running on agricultural processing, regional healthcare, and a quiet but growing remote-work population and a median household income of $37K, this midwestern city offers a specific economic profile. We cover 62 cost categories, each calibrated for Decatur's local conditions.
Decatur Cost Index by Category
Each bar shows how the Decatur cost index for that category compares to the US national baseline of 100.
Decatur has an economy running on agricultural processing, regional healthcare, and a quiet but growing remote-work population
The housing market features a buyer-friendly market where your down payment goes further than in most US cities
The polar vortex isn't a meme here — it's a $3,000 furnace repair bill. Winterizing your home is an annual ritual.. The lifestyle here is characterized by Front-porch conversations, Friday fish fries, and a cost of living that leaves room for actual savings..
Few American cities offer better value than Decatur. At a cost index of 78, you'll find housing, services, and daily expenses dramatically cheaper than national norms — making it a magnet for remote workers and retirees.
💰 Purchasing Power in Decatur
Purchasing power adjusted to national average baseline. In Decatur, your dollar buys 28% more than the national average.
🔽 Where Decatur Costs Less
💰 Salary Landscape
vs national average · higher = better
Monthly Living Expenses in Decatur
What it actually costs to live in Decatur each month — from tight budgets to comfortable lifestyles.
Estimates include housing, food, transportation, utilities, insurance, and discretionary spending. Based on Decatur's cost index of 78 applied to national spending surveys.
🏘️ Neighborhood Cost Variation
Decatur's cost landscape is shaped by geography. Highway corridors and school district boundaries drive the sharpest price differences between neighborhoods. A 15-minute drive can mean a 20%+ swing in housing and service costs.
Decatur vs U.S. Average Cost of Living
Category-by-category affordability grades — based on deviation from the national average.
🏠 Home Services in Decatur
What contractors charge for the most common repairs, installations, and remodels
Roof Replacement
-7%HVAC Installation
-29%Plumbing Services
-42%Electrical Work
-27%Kitchen Remodel
-45%Bathroom Remodel
-13%House Painting
-32%Flooring Installation
-37%Landscaping
-40%Fence Installation
-36%Window Replacement
-18%Solar Panel Installation
-18%Water Heater Replacement
-34%Deck Building
-20%Pool Installation
-16%Tree Removal
-41%Garage Door Repair
-30%💼 Business Startup Costs in Decatur
Full startup cost breakdowns — from lease deposits to working capital
Start a Restaurant
-26%Start a Coffee Shop
-8%Start a Food Truck
-10%Start a Gym
-39%Start a Daycare
-40%Start a Hair Salon
-41%Start a Laundromat
-21%Start a Bakery
-35%Start a Bar
-25%Start a Cleaning Business
-10%Start an Airbnb
-26%Start a Trucking Business
-11%📊 Cost of Living in Decatur
Monthly expenses for housing, food, transportation, and everyday necessities
Cost of Living
-22%Rent Prices
-37%Grocery Costs
-19%Utility Costs
-15%Transportation Costs
-35%Childcare Costs
-26%Gym Membership
-28%🛡️ Insurance in Decatur
Annual and monthly premium estimates for major insurance categories
Car Insurance
0%Home Insurance
-28%Health Insurance
-9%Business Insurance
-2%Life Insurance
0%Renters Insurance
-11%Pet Insurance
-25%Dental Insurance
-21%Motorcycle Insurance
-4%⚖️ Legal Services in Decatur
Attorney fees, court costs, and total legal service expenses
Personal Injury Lawyer
-6%Divorce Lawyer
-36%DUI Lawyer
-18%Immigration Lawyer
-38%Estate Planning Lawyer
-19%Workers Comp Lawyer
-10%Bankruptcy Lawyer
-25%💰 Salaries & Jobs in Decatur
Annual compensation by experience level, role, and specialization
Software Developer Salary
-13%Registered Nurse Salary
-5%Teacher Salary
-13%Electrician Salary
-17%Plumber Salary
-18%Accountant Salary
-31%Physical Therapist Salary
-36%Police Officer Salary
-12%Dentist Salary
-33%Real Estate Agent Salary
-36%How Much Income Do You Need in Decatur?
✅ Best For
- First-time business owners
- Retirees on fixed incomes
- Remote workers keeping coastal salaries
- Anyone building an emergency fund
⚠️ Not Ideal For
- Workers in highly specialized tech roles
- Those seeking dense urban amenities
Research Decatur's neighborhoods carefully — costs can vary by 20-40% within the metro area. The most popular areas are affordable enough that location flexibility is a real advantage.
CostOfCity Value Index
The CostOfCity Value Index combines cost-of-living data with median income, savings potential, and cost growth trends to produce a single score. Higher = better value for your money. Updated quarterly.
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Frequently Asked Questions About Decatur
Is Decatur a good place to start a business?
Decatur's business environment is shaped by IL's regulatory framework and local commercial real estate costs. Below-average operating costs give businesses more runway to reach profitability. Check our business startup cost data for specific figures.
How does Decatur compare to other cities in IL?
Within Illinois, Decatur has a cost index of 78. Nearby options include Springfield and Champaign, which offer useful comparison points.
What are the most expensive cost categories in Decatur?
Like most US cities, housing is the single largest expense in Decatur, typically accounting for 30-40% of household budgets. Insurance and home services tend to be the next most variable categories, influenced by midwestern climate conditions and state regulations.
Explore Decatur in Depth
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Compare Decatur Costs Nationally
See how Decatur ranks on major household and life expenses against 300+ US cities — cheapest to most expensive.
Popular Decatur cost & affordability searches
- → Rent prices in Decatur, IL
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- → Monthly budget for a single adult in Decatur
- → Healthcare cost in Decatur
- → Grocery cost in Decatur
- → Utility bills in Decatur
- → Childcare cost in Decatur
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- → Living alone in Decatur: solo budget