Cost Of Living in Auburn, IL

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7%

Overall NAT. AVG.

3%

Groceries NAT. AVG.

22%

Housing NAT. AVG.

Date & Last Updated: These cost of living estimates reflect 2026 modeled data using U.S. Census housing inputs and AI-assisted city-level pricing models.

The cost of living index is based on a national average of 100. For example, if the cost of living score is 90, then the estimated cost of living is 10% lower than the national average. If the score is 110, then the estimated cost of living is 10% higher than average. The overall index is calculated using weighted estimates across major everyday expense categories, including housing (30%), groceries (16%), transportation (12%), healthcare (10%), utilities (8%), lifestyle and entertainment (8%), household expenses (8%), and education and childcare (8%). All values are AI-assisted city-level estimates designed for directional comparisons.
Index	Auburn	Illinois	National
Cost of living	93	98	100
Groceries	98	100	100
Health care	101	100	100
Housing	78	95	100
Transportation	102	101	100
Utilities	99	99	100
Lifestyle & Entertainment	99	100	100
Household Items	99	100	100
Education & Childcare	95	100	100

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Homes For Sale In Auburn, IL

411 S 5th St

Auburn, IL

16015 Briarwood Trce

Auburn, IL

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Cost Of Living Quick Facts

The cost of living in Auburn is 6% lower than the Illinois average
The cost of living in Auburn is 7% lower than the national average
Auburn housing is 22% lower than the national average
Illinois general sales tax is 22% higher than the national average
Illinois state income tax is 91% higher than the national average

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Price difference in compared to

Cost of living index
Groceries index
Health care index
Housing index
Transportation index
Utilities index
Lifestyle index
Household index
Educare index

Median Income & Debt-To-Income Ratio

Median Income	Per Year	Per Month	Max Budget (28% DTI)	Max Budget (36% DTI)
Owners	$120,745	$10,062	$2,817	$3,623
Renters	$54,278	$4,523	$1,266	$1,629

A good indicator of the general affordability of housing in Auburn, IL, is the percentage of monthly income that should be spent on housing expenses, otherwise known as the debt-to-income ratio (DTI). Generally speaking, no more than 28 percent of your total gross income should be spent on your housing expenses and not more than 36 percent of your gross income on total expenses, including debts. In Auburn, the median monthly income is $120,745 for those who own their own homes. Under the standard rule, that income level would allow for $2,817 to be budgeted for housing expenses each month, at the most. Renters, on the other hand, earn about $54,278, per the median income in the area. That would allow for renters to spend up to $1,266 on monthly rental expenses.

Illinois Sales Tax

State	General Sales Tax	With Max Surtax
Illinois	6.25%	10.25%

Illinois Income Tax

State	Income Tax (Low)	Income Tax (High)
Illinois	4.95%	4.95%

Nearby cities with low cost of living

City	Population	Cost of Living Index	National Avg.
Waggoner, IL	192	80	20.2%
Nilwood, IL	196	80	20.1%
Modesto, IL	227	82	17.9%
Berlin, IL	189	82	17.5%
Palmyra, IL	663	83	16.6%
Auburn, IL	4,846	93	7.4%

Cities with similar population

City	Population	Cost of Living Index	National Avg.
Clinton, IN	4,846	82	17.5%
Ashland City, TN	4,846	96	3.5%
Baldwin City, KS	4,845	94	6.3%
Rio Bravo, TX	4,845	82	17.6%
Jackson, AL	4,844	87	12.7%
Auburn, IL	4,846	93	7.4%