Affton, MO Cost Of Living

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

Cost Of Living In Affton, MO Summary

Cost of living in Affton 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 Affton 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 Affton is 93, with 100 being the average.

  • The cost of living index in Affton is 0.9x lower than the national average.

  • Affton ranks as the #88 cheapest in Missouri out of 142.

  • Affton ranks as the #1,658 cheapest out of 6,489 in the US.

  • The median home value in Affton is $237,012.

  • The median income in Affton is $77,337.

Table Of Contents

  1. Summary
  2. National Comparison
  3. Housing Breakdown
  4. Detailed Pricing
  5. Nearby Comparisons
93
Affton's Overall Cost Of Living
0.9x
Lower Than The National Average

What is the cost of living in Affton, MO?

According to the most recent data on the cost of living, Affton has an overall cost of living index of 93, which is 0.9x lower than the national index of 100.

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

The standard of living in Affton ranks as #88 most affordable out of the 142 places we measured in Missouri. By definition, that implies Affton ranks as the #54 most expensive place in the Show Me State.

For more reading on life in Affton, check out:

88 out of 142
In Missouri
1,658 out of 6,489
In America

Affton Cost Of Living Vs. Missouri

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

  • The Services index in Affton is 94.

  • The Groceries index in Affton is 98.

  • The Health index in Affton is 90.

  • The Housing index in Affton is 88.

  • The Transportation index in Affton is 94.

  • The Utilities index in Affton is 104.

Living Expense Affton Missouri National Average
Overall 93 88 100
Services 94 93 100
Groceries 98 96 100
Health 90 91 100
Housing 88 78 100
Transportation 94 90 100
Utilities 104 99 100
For more reading on cost of living around Missouri, check out:
Affton Cost of Living Vs. MO

Affton, 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 Affton is $237,012.

  • The Median Rent in Affton is $978.

  • The Median Income in Affton is $77,337.

  • The Home Value To Income in Affton is 3.1x.

  • The Rent To Monthly Income in Affton is 0.15x.

Statistic Affton Missouri United States
Median Home Value $237,012 $257,929 $303,400
Median Rent $978 $996 $1,348
Median Income $77,337 $68,920 $78,538
Home Value To Income 3.1x 3.7x 3.9x
Rent To Monthly Income 0.15x 0.17x 0.21x
$237,012
Median Home Value
$978
Median Rent
$77,337
Median Income

Affton, MO Costs By Category

Detailed Affton Services Costs Vs. Missouri

Item Affton 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 Affton Groceries Costs Vs. Missouri

Item Affton 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 Affton Health Costs Vs. Missouri

Item Affton Missouri
Optometrist $125.72 $125.68
Doctor $124.51 $135.78
Dentist $100.78 $113.29

Detailed Affton Transportation Costs Vs. Missouri

Item Affton Missouri
Gasoline $3.2 $3.46
Tire Balancing $50.0 $59.92

Detailed Affton Utilities Costs Vs. Missouri

Item Affton Missouri
All Electricity $133.84 $193.99
Phone $188.69 $192.25

Affton SnackAbility

6
/10
Overall SnackAbility
Jobs
8/10
Housing
7
Affordability
8.5
Diversity
6
Safety
N/A
Amenities
9
Education
8
Commute
8

Cost Of Living In Cities Around Affton

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

  • Chesterfield, MO has a cost of living index of 121, 1.3x Affton.

  • Wildwood, MO has a cost of living index of 124, 1.3x Affton.

  • Ballwin, MO has a cost of living index of 109, 1.2x Affton.

City Population Cost Of Living Vs. Affton
Chesterfield, MO 49,591 121 1.3x
Wildwood, MO 35,168 124 1.3x
Ballwin, MO 30,835 109 1.2x
Collinsville, IL 24,126 89 1.0x
Lemay, MO 16,431 87 0.9x
Fairview Heights, IL 16,255 94 1.0x
Swansea, IL 14,603 93 1.0x
Crestwood, MO 12,298 103 1.1x
Town and Country, MO 11,605 161 1.7x
Columbia, IL 11,063 99 1.1x

Articles About Missouri

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