Cost of living in St. Peters 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. Peters 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. Peters is 96, with 100 being the average.
The cost of living index in St. Peters is 1.0x lower than the national average.
St. Peters ranks as the #99 cheapest in Missouri out of 142.
St. Peters ranks as the #2,104 cheapest out of 6,489 in the US.
The median home value in St. Peters is $308,917.
The median income in St. Peters is $89,827.
According to the most recent data on the cost of living, St. Peters has an overall cost of living index of 96, which is 1.0x lower than the national index of 100.
Compared to Missouri, St. Peters has a cost of living index that's 1.1x higher than Missouri's index of 88.
The standard of living in St. Peters ranks as #99 most affordable out of the 142 places we measured in Missouri. By definition, that implies St. Peters ranks as the #43 most expensive place in the Show Me State.
For more reading on life in St. Peters, check out:
Six factors go into calculating the cost of living index in St. Peters. Here is how it fairs on each of the criteria:
The Services index in St. Peters is 93.
The Groceries index in St. Peters is 97.
The Health index in St. Peters is 87.
The Housing index in St. Peters is 104.
The Transportation index in St. Peters is 92.
The Utilities index in St. Peters is 102.
| Living Expense | St. Peters | Missouri | National Average | |
|---|---|---|---|---|
| Overall | 96 | 88 | 100 | |
| Services | 93 | 93 | 100 | |
| Groceries | 97 | 96 | 100 | |
| Health | 87 | 91 | 100 | |
| Housing | 104 | 78 | 100 | |
| Transportation | 92 | 90 | 100 | |
| Utilities | 102 | 99 | 100 | |
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. Peters is $308,917.
The Median Rent in St. Peters is $1,291.
The Median Income in St. Peters is $89,827.
The Home Value To Income in St. Peters is 3.4x.
The Rent To Monthly Income in St. Peters is 0.17x.
| Statistic | St. Peters | Missouri | United States |
|---|---|---|---|
| Median Home Value | $308,917 | $257,929 | $303,400 |
| Median Rent | $1,291 | $996 | $1,348 |
| Median Income | $89,827 | $68,920 | $78,538 |
| Home Value To Income | 3.4x | 3.7x | 3.9x |
| Rent To Monthly Income | 0.17x | 0.17x | 0.21x |
| Item | St. Peters | 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 |
| Item | St. Peters | 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 |
| Item | St. Peters | Missouri |
|---|---|---|
| Optometrist | $125.72 | $125.68 |
| Doctor | $124.51 | $135.78 |
| Dentist | $100.78 | $113.29 |
| Item | St. Peters | Missouri |
|---|---|---|
| Gasoline | $3.2 | $3.46 |
| Tire Balancing | $50.0 | $59.92 |
| Item | St. Peters | Missouri |
|---|---|---|
| All Electricity | $133.84 | $193.99 |
| Phone | $188.69 | $192.25 |
The cost of living varies in the cities and towns around St. Peters. 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, 1.1x St. Peters.
St. Charles, MO has a cost of living index of 101, 1.1x St. Peters.
Chesterfield, MO has a cost of living index of 121, 1.3x St. Peters.
| City | Population | Cost Of Living | Vs. St. Peters |
|---|---|---|---|
| O'Fallon, MO | 92,697 | 105 | 1.1x |
| St. Charles, MO | 71,048 | 101 | 1.1x |
| Chesterfield, MO | 49,591 | 121 | 1.3x |
| Wildwood, MO | 35,168 | 124 | 1.3x |
| Ballwin, MO | 30,835 | 109 | 1.1x |
| Kirkwood, MO | 29,302 | 117 | 1.2x |
| Maryland Heights, MO | 27,981 | 92 | 1.0x |
| Old Jamestown, MO | 21,121 | 101 | 1.1x |
| Dardenne Prairie, MO | 13,137 | 113 | 1.2x |
| Town and Country, MO | 11,605 | 161 | 1.7x |