| Index | St. Charles | Illinois | National |
| Cost of living | 118 | 98 | 100 |
| Groceries | 102 | 100 | 100 |
| Health care | 102 | 100 | 100 |
| Housing | 161 | 95 | 100 |
| Transportation | 98 | 101 | 100 |
| Utilities | 97 | 99 | 100 |
| Lifestyle & Entertainment | 98 | 100 | 100 |
| Household Items | 100 | 100 | 100 |
| Education & Childcare | 96 | 100 | 100 |
Understanding the cost of living in St. Charles can help future residents assess whether their current financial situation aligns with the expenses they will encounter. It enables them to plan for potential changes in their budget and lifestyle. The St. Charles cost of living index is 118, which is 18% higher than the national average. The cost of living index is calculated by taking into account multiple categories, which encompass both the cost of everyday expenditures and larger expenses as well.
Housing costs make up a big chunk of the cost of living in St. Charles, and they usually eat into a large part of your take-home pay. Unfortunately, in this area, both buying a home and renting one costs 60.7% more than the average city. This includes stuff like home prices, rent, mortgage rates, and insurance.
Is St. Charles affordable? This is a pivotal question, especially when mulling over a move, as affordability carries substantial weight in your decision-making process. Factors such as the cost of living index (discussed earlier), housing expenses and income levels all contribute to a location's affordability. For instance, in St. Charles, the median home price is 68.6% higher than the national average and monthly rent prices are 42.2% higher than the typical rates. Additionally, the median income levels play a role in affordability, with St. Charles boasting a median household income of $151,617, 86.4% higher than the national average.
Housing: High demand for housing in desirable locations can drive up property prices and rental rates. This can be a primary contributor to a higher cost of living. While low demand for housing, especially in undesirable locations, can have the reverse effect and drive prices down, resulting in a lower cost of living. The housing index in St. Charles, is 60.7% higher than the national average.
Utilities: Similar to the prices of any goods or services, utility expenses can fluctuate widely, contingent on variables such as climate, available energy sources, geographical location and state regulations. Costs associated with electricity, water, heating, and waste disposal can differ in magnitude, depending on the specific city or state. In St. Charles, the utilities index registers at 3.5% lower than the national average.
Groceries: Over the past 2-3 years, grocery expenses have experienced substantial upward trends. In certain markets, food prices have surged by over 20% during this period, while others have witnessed more modest increases. These fluctuations in food costs can wield significant influence over the overall cost of living in a given region. In St. Charles, the groceries index is 1.8% higher than the national average.
The St. Charles cost of living data above is designed around a U.S. average baseline of 100, allowing for easy comparisons of relative living costs. Housing incorporates U.S. Census home price and rental data, while all other figures are AI-assisted estimates that account for regional price trends, climate, transportation dynamics, and common everyday expenses. These values are best used as directional city-to-city comparisons.
| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $181,521 | $15,127 | $4,235 | $5,446 |
| Renters | $86,185 | $7,182 | $2,011 | $2,586 |
| State | General Sales Tax | With Max Surtax |
| Illinois | 6.25% | 10.25% |
| State | Income Tax (Low) | Income Tax (High) |
| Illinois | 4.95% | 4.95% |
| City | Population | Cost of Living Index | National Avg. |
| Carpentersville, IL | 38,383 | 102 | 2.0% |
| Elgin, IL | 115,336 | 104 | 4.3% |
| Aurora, IL | 206,020 | 105 | 5.0% |
| Burlington, IL | 528 | 105 | 5.0% |
| Boulder Hill, IL | 9,282 | 104 | 4.4% |
| St. Charles, IL | 33,452 | 118 | 17.6% |
| City | Population | Cost of Living Index | National Avg. |
| La Verne, CA | 33,460 | 166 | 65.8% |
| Laramie, WY | 33,442 | 103 | 3.0% |
| Pekin, IL | 33,468 | 88 | 11.8% |
| Saint-Georges, QC | 33,468 | n/a | |
| College Park, MD | 33,475 | 129 | 29.1% |
| St. Charles, IL | 33,452 | 118 | 17.6% |
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