😐A single person spends $2,015 per month in Watertown, NY vs $1,748 in Decatur, IL, rent included.
😐A couple spends around $3,058 per month in Watertown, NY vs $2,694 in Decatur, IL, rent included.
😐A family of three spends $4,101 per month in Watertown, NY vs $3,641 in Decatur, IL, rent included.
😐Watertown, NY costs about 15% more than Decatur, IL, driven mainly by Groceries & Markets.
📊Both Watertown, NY and Decatur, IL sit above the global median – Watertown, NY by 47%, Decatur, IL by 27%.
Currency
🍽 Eating Out
Watertown, NY
Decatur, IL
Difference
Meal at Budget Restaurant
$13.66$13.66
$19.76$19.76
-30.87%
Three-Course Dinner for Two, Mid-Range
$64.2$64.2
$84.9$84.9
-24.40%
Fast Food Meal(McDonalds, etc)
$12.22$12.22
$9.25$9.25
32.11%
Cappuccino
$4.10$4.10
$5.34$5.34
-23.22%
Coke/Pepsi/Fanta/Sprite(0.33 liter bottle)
$2.56$2.56
$2.23$2.23
14.80%
Water(0.33 liter bottle)
$2.11$2.11
$1.73$1.73
21.97%
Local Beer(0.5 liter draught)
$5.04$5.04
$4.97$4.97
1.41%
Imported Beer(0.33 liter bottle)
$6.85$6.85
$5.91$5.91
15.91%
🛒 Groceries & Markets
Watertown, NY
Decatur, IL
Difference
Milk(1 liter)
$0.85$0.85
$1.33$1.33
-36.09%
White Bread(500g)
$2.75$2.75
$2.99$2.99
-8.03%
Rice(white)(1kg)
$5.48$5.48
$1.95$1.95
181.03%
Eggs
$3.12$3.12
$4.74$4.74
-34.18%
Local Cheese(1kg)
$13.27$13.27
$14.88$14.88
-10.82%
Chicken Fillets(1kg)
$4.53$4.53
$14.73$14.73
-69.25%
Beef Round Steak(1kg)
$15.62$15.62
$13.38$13.38
16.74%
Apples(1kg)
$3.49$3.49
$4.35$4.35
-19.77%
Banana(1kg)
$1.48$1.48
$1.99$1.99
-25.63%
Oranges(1kg)
$2.15$2.15
$4.05$4.05
-46.91%
Tomato(1kg)
$5.04$5.04
$3.37$3.37
49.55%
Potato(1kg)
$2.74$2.74
$0.84$0.84
226.19%
Onion(1kg)
$3.04$3.04
$1.13$1.13
169.03%
Lettuce(1 head)
$1.02$1.02
$1.48$1.48
-31.08%
Water(1.5 liter bottle)
$0.52$0.52
$3.02$3.02
-82.78%
Cigarettes 20 Pack(Marlboro, Camel)
$14.57$14.57
$16.17$16.17
-9.89%
Wine(Bottle)
$9.26$9.26
$14.86$14.86
-37.69%
Local Beer(0.5 liter bottle)
$1.56$1.56
$2.18$2.18
-28.44%
Imported Beer(0.33 liter bottle)
$1.96$1.96
$2.04$2.04
-3.92%
🚌 Getting Around
Watertown, NY
Decatur, IL
Difference
Taxi Start(Normal Tariff)
$5.39$5.39
$3.22$3.22
67.39%
Taxi(Normal Tariff)(1km)
$2.26$2.26
$1.42$1.42
59.15%
Taxi 1hour Waiting(Normal Tariff)
$45.21$45.21
$22.79$22.79
98.38%
Gasoline(1 liter)
$0.91$0.91
$1.12$1.12
-18.75%
Midsize Hatchback 1.4l(Volkswagen Golf, Toyota Prius, Honda Civic, etc)
$34.8K$34.8K
$37.0K$37.0K
-5.90%
Compact Sedan 1.6l(Toyota Corolla, Mazda3, Kia K4, Hyundai Elantra, etc)
$25.4K$25.4K
$26.0K$26.0K
-2.22%
🧾 Monthly Utilities & Internet
Watertown, NY
Decatur, IL
Difference
Utilities for 2 People in 2-bedroom Apartment(Heating, Electricity, Gas, Water, Garbage)(85m2)
$188$188
$86.0$86.0
119.16%
SIM Card Monthly Plan(Calls and 10GB+ Data)
$53.0$53.0
$69.6$69.6
-23.91%
Internet(50+ Mbps, Unlimited Data)
$65.9$65.9
$60.1$60.1
9.79%
🎉 Sport & Entertainment
Watertown, NY
Decatur, IL
Difference
Gym Membership(Monthly)
$36.98$36.98
$74.4$74.4
-50.30%
Cinema Ticket
$11.07$11.07
$11.88$11.88
-6.82%
🧸 Childcare & Education
Watertown, NY
Decatur, IL
Difference
Preschool or Kindergarten, Full Day, Private, 1 Child(Monthly)
$1,517$1,517
$1,548$1,548
-2.00%
International Primary School, 1 Child(Yearly)
$32.8K$32.8K
$32.1K$32.1K
2.12%
👕👟 Clothing & Footwear
Watertown, NY
Decatur, IL
Difference
Jeans(Levis 501 Or Similar)
$30.30$30.30
$64.0$64.0
-52.63%
Summer Dress(H&M, Zara, etc)
$44.92$44.92
$56.1$56.1
-19.90%
Sport Shoes(Adidas, Nike)
$88.9$88.9
$103$103
-14.05%
Men's Leather Business Shoes
$101$101
$157$157
-35.59%
🏠 Accommodation & Living
Watertown, NY
Decatur, IL
Difference
1-bedroom Apartment, City Center(Monthly)
$1,168$1,168
$882$882
32.40%
1-bedroom Apartment, Outside City Center(Monthly)
$960$960
$550$550
74.52%
3-bedroom Apartment, City Center(Monthly)
$1,590$1,590
$1,000$1,000
59.02%
3-bedroom Apartment, Outside City Center(Monthly)
$1,831$1,831
$821$821
122.98%
Buy Apartment in City Center(m2)
$1,513$1,513
$940$940
60.86%
Buy Apartment Outside City Center(m2)
$1,532$1,532
$935$935
63.87%
💵 Salaries & Financials
Watertown, NY
Decatur, IL
Difference
Average Monthly Net Salary(After Tax)
$3,483$3,483
$4,519$4,519
-22.92%
20-Year Fixed Mortgage Interest Rate(Annual %)
6.07
6.38
-4.86%
CityCost data is based on AI and user input – minor inaccuracies may occur.
Last update for Watertown, NY: August 30, 2026
Last update for Decatur, IL: August 31, 2026
Cost Breakdown
🏠A central one-bedroom costs $1,168 in Watertown, NY versus $882 in Decatur, IL. Rent is usually the largest line item in a monthly budget, so the gap here sets the tone for the overall comparison.
💰Salaries run about 30% higher in Decatur, IL, which reinforces the cost advantage – you earn more and spend less. Purchasing power leans clearly in its favor.
🛒A mid-range dinner for two costs $64.0 in Watertown, NY versus $85.0 in Decatur, IL. Monthly groceries follow the same trend: $295 vs $387 – making Watertown, NY the more affordable choice for daily food spending.
City Median Internet Speeds Comparison (Updated April 2026)
The chart highlights the Precision Threshold for mobile and fixed broadband internet speeds, updated quarterly.
Digital Nomad Cost of Living Index
Watertown, NY vs Decatur, IL: Cost of Living - Frequently Asked Questions
Is Decatur, IL cheaper than Watertown, NY?
Yes – Watertown, NY is pricier by about 15%, and the gap shows up most in Groceries & Markets. It's not just housing either; the difference applies across most spending categories.
What income do you need for each city?
For a comfortable life, plan on about $3,022 per month in Watertown, NY and $2,622 in Decatur, IL. That covers rent, food, utilities, transport, and enough left over to feel settled – not just surviving.
Which city has lower housing costs?
Rent is clearly cheaper in Decatur, IL, especially for central apartments. Housing is actually the single biggest factor behind the overall cost gap between these two cities.
Is eating out cheaper in Watertown, NY or in Decatur, IL?
A mid-range dinner for two costs $64.0 in Watertown, NY and $85.0 in Decatur, IL. That's a good indicator of the overall restaurant and café pricing gap between the two cities.
How do food prices compare in Watertown, NY and in Decatur, IL?
Interestingly, groceries are about 31% cheaper in Watertown, NY – one category where the pricier city actually offers better value, probably thanks to stronger retail competition or local farming.
Is $2,500 a realistic budget for living in Watertown, NY or in Decatur, IL?
A $2,500 monthly budget goes further in Decatur, IL, where all-in costs run around $1,748, than in Watertown, NY at $2,015. In Decatur, IL it covers expenses comfortably, while in Watertown, NY it requires careful planning or may not stretch far enough.
Is Watertown, NY or Decatur, IL more family-friendly?
Families tend to lean toward Decatur, IL – lower housing and cheaper childcare make a real difference, especially on a single income or when paying for private education.
Which city is the better choice to relocate to?
If budget matters most, go with Decatur, IL. If higher salaries, better infrastructure, or specific career opportunities are the priority, Watertown, NY makes more sense. Both are solid long-term options with distinct trade-offs.
Watertown, NY vs other spots: cost of living compared