St. Charles, MO Cost Of Living

Demographics | Crime | Cost Of Living
Updated: 2025-10-24

Cost Of Living In St. Charles, MO Summary

Cost of living in St. Charles research summary. The cost of living index is set to 100 for the average place in the United States. A cost of living index above 100 means St. Charles is expensive. An index value below 100 means the city is a relatively cheap place to live.

On a city-by-city basis in Missouri, home prices and rent have the biggest impact on the cost of living. Here are the key takeaways based on Saturday Night Science:

  • The cost of living index in St. Charles is 101, with 100 being the average.

  • The cost of living index in St. Charles is 1.0x higher than the national average.

  • St. Charles ranks as the #109 cheapest in Missouri out of 142.

  • St. Charles ranks as the #2,735 cheapest out of 6,489 in the US.

  • The median home value in St. Charles is $337,426.

  • The median income in St. Charles is $85,522.

Table Of Contents

  1. Summary
  2. National Comparison
  3. Housing Breakdown
  4. Detailed Pricing
  5. Nearby Comparisons
101
St. Charles's Overall Cost Of Living
1.0x
Higher Than The National Average

What is the cost of living in St. Charles, MO?

According to the most recent data on the cost of living, St. Charles has an overall cost of living index of 101, which is 1.0x higher than the national index of 100.

Compared to Missouri, St. Charles has a cost of living index that's 1.1x higher than Missouri's index of 88.

The standard of living in St. Charles ranks as #109 most affordable out of the 142 places we measured in Missouri. By definition, that implies St. Charles ranks as the #33 most expensive place in the Show Me State.

For more reading on life in St. Charles, check out:

109 out of 142
In Missouri
2,735 out of 6,489
In America

St. Charles Cost Of Living Vs. Missouri

Six factors go into calculating the cost of living index in St. Charles. Here is how it fairs on each of the criteria:

  • The Services index in St. Charles is 91.

  • The Groceries index in St. Charles is 98.

  • The Health index in St. Charles is 89.

  • The Housing index in St. Charles is 113.

  • The Transportation index in St. Charles is 95.

  • The Utilities index in St. Charles is 102.

Living Expense St. Charles Missouri National Average
Overall 101 88 100
Services 91 93 100
Groceries 98 96 100
Health 89 91 100
Housing 113 78 100
Transportation 95 90 100
Utilities 102 99 100
For more reading on cost of living around Missouri, check out:
St. Charles Cost of Living Vs. MO

St. Charles, MO Housing Cost Breakdown

Housing swings affordability the most between places in Missouri, so we broke down housing costs into more detail. Home and income data comes from the most recent US Census ACS 2019-2023. The key points are:

  • The Median Home Value in St. Charles is $337,426.

  • The Median Rent in St. Charles is $1,186.

  • The Median Income in St. Charles is $85,522.

  • The Home Value To Income in St. Charles is 3.9x.

  • The Rent To Monthly Income in St. Charles is 0.17x.

Statistic St. Charles Missouri United States
Median Home Value $337,426 $257,929 $303,400
Median Rent $1,186 $996 $1,348
Median Income $85,522 $68,920 $78,538
Home Value To Income 3.9x 3.7x 3.9x
Rent To Monthly Income 0.17x 0.17x 0.21x
$337,426
Median Home Value
$1,186
Median Rent
$85,522
Median Income

St. Charles, MO Costs By Category

Detailed St. Charles Services Costs Vs. Missouri

Item St. Charles Missouri
Shampoo $1.11 $1.28
Movie $11.28 $12.13
Bowling $16.92 $18
Haircut $21.19 $24.26
Beauty Salon $40.57 $45.56

Detailed St. Charles Groceries Costs Vs. Missouri

Item St. Charles Missouri
Ground Beef $6.4 $5.84
Fried Chicken $1.36 $1.57
Milk $4.5 $4.67
Potatoes $5.28 $4.93
Pizza $10.84 $12.09
Beer $9.47 $10.41
Toothpaste $3.75 $3.7

Detailed St. Charles Health Costs Vs. Missouri

Item St. Charles Missouri
Optometrist $125.72 $125.68
Doctor $124.51 $135.78
Dentist $100.78 $113.29

Detailed St. Charles Transportation Costs Vs. Missouri

Item St. Charles Missouri
Gasoline $3.2 $3.46
Tire Balancing $50.0 $59.92

Detailed St. Charles Utilities Costs Vs. Missouri

Item St. Charles Missouri
All Electricity $133.84 $193.99
Phone $188.69 $192.25

St. Charles SnackAbility

8.5
/10
Overall SnackAbility
Jobs
8.5/10
Housing
8
Affordability
8
Diversity
8
Safety
6
Amenities
9
Education
8.5
Commute
8.5

Cost Of Living In Cities Around St. Charles

The cost of living varies in the cities and towns around St. Charles. Here's a quick look at the cost of living in the most populous nearby places:

  • O'Fallon, MO has a cost of living index of 105, 1.0x St. Charles.

  • St. Peters, MO has a cost of living index of 96, 1.0x St. Charles.

  • Chesterfield, MO has a cost of living index of 121, 1.2x St. Charles.

City Population Cost Of Living Vs. St. Charles
O'Fallon, MO 92,697 105 1.0x
St. Peters, MO 58,200 96 1.0x
Chesterfield, MO 49,591 121 1.2x
Wildwood, MO 35,168 124 1.2x
Ballwin, MO 30,835 109 1.1x
Kirkwood, MO 29,302 117 1.2x
Maryland Heights, MO 27,981 92 0.9x
Hazelwood, MO 25,214 88 0.9x
Godfrey, IL 17,743 94 0.9x
Dardenne Prairie, MO 13,137 113 1.1x

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