Cost Of Living in Weldon Spring, MO

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F

32%

Overall NAT. AVG.

3%

Groceries NAT. AVG.

117%

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	Weldon Spring	Missouri	National
Cost of living	132	90	100
Groceries	97	96	100
Health care	94	97	100
Housing	217	77	100
Transportation	99	96	100
Utilities	92	95	100
Lifestyle & Entertainment	91	95	100
Household Items	97	97	100
Education & Childcare	97	95	100

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Homes For Sale In Weldon Spring, MO

224 Hemingway Ln Unit C

Weldon Spring, MO

30 Richland Ct

Saint Charles, MO

911 Hemingway Ln

Weldon Spring, MO

5014 Royal Burgess Dr

Saint Peters, MO

Cost Of Living Quick Facts

The cost of living in Weldon Spring is 46% higher than the Missouri average
The cost of living in Weldon Spring is 32% higher than the national average
Weldon Spring housing is 117% higher than the national average
Missouri general sales tax is 17% lower than the national average
Missouri state income tax is 23% lower 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	$190,031	$15,836	$4,434	$5,702
Renters	$86,940	$7,245	$2,028	$2,608

The percent of monthly income spent on housing can be a good indicator of the affordability of housing in Weldon Spring, MO, as well as the overall cost of living. As a general rule of thumb, the debt-to-income ratio (DTI) for homeowners or renters should be not more than 28 percent of gross income to be spent on housing related costs and not more than 36 percent of income on all expenses, including debts. The median income for Weldon Spring homeowners, is $190,031. This would allow for a maximum of $4,434 per month to be spent on housing costs. For renters, the median monthly income is $86,940 which would result in a maximum of $2,028 to be spent on rental costs.

Missouri Sales Tax

State	General Sales Tax	With Max Surtax
Missouri	4.225%	10.85%

Missouri Income Tax

State	Income Tax (Low)	Income Tax (High)
Missouri	2%	4.95%

Nearby cities with low cost of living

City	Population	Cost of Living Index	National Avg.
Defiance, MO	70	96	4.3%
Champ, MO	3	96	4.1%
Gray Summit, MO	2,446	89	10.8%
Maryland Heights, MO	27,688	97	3.4%
Bridgeton, MO	11,823	97	3.0%
Weldon Spring, MO	5,688	132	32.2%

Cities with similar population

City	Population	Cost of Living Index	National Avg.
Salida, CO	5,688	124	24.4%
Orchard Homes, MT	5,688	117	16.7%
New Holland, PA	5,687	101	0.6%
Volo, IL	5,685	111	10.6%
Charleston, MO	5,691	82	18.4%
Weldon Spring, MO	5,688	132	32.2%