Cost Of Living in Oak Grove, IL

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22%

Overall NAT. AVG.

2%

Groceries NAT. AVG.

72%

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	Oak Grove	Illinois	National
Cost of living	78	98	100
Groceries	102	100	100
Health care	98	100	100
Housing	28	95	100
Transportation	102	101	100
Utilities	99	99	100
Lifestyle & Entertainment	101	100	100
Household Items	102	100	100
Education & Childcare	97	100	100

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Cost Of Living Quick Facts

The cost of living in Oak Grove is 20% lower than the Illinois average
The cost of living in Oak Grove is 22% lower than the national average
Oak Grove housing is 72% 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	$40,097	$3,341	$936	$1,203
Renters	$47,361	$3,947	$1,105	$1,421

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.
Rock Island Arsenal, IL	366	100	0.2%
Matherville, IL	897	86	13.7%
Viola, IL	1,071	87	13.1%
Panorama Park, IA	217	86	14.2%
Stockton, IA	166	86	13.6%
Oak Grove, IL	445	78	21.6%

Cities with similar population

City	Population	Cost of Living Index	National Avg.
Clay Springs, AZ	445	97	2.7%
Lake Almanor Country Club, CA	445	143	43.0%
Brooklyn, IL	445	74	26.2%
Axtell, KS	445	85	14.6%
Linn, KS	445	79	21.1%
Oak Grove, IL	445	78	21.6%