Is St. Charles, IL a Good Place to Live?
St. Charles is a small city of 32,776 in Illinois, with a median household income of $110,346 and a 3.9% unemployment rate. Its cost of living index is 103 (US average = 100), which is 3% above the national average.
Strengths: St. Charles stands out for lower-than-average crime, solid school ratings (A+), a well-educated population.
Trade-offs: No major red flags stand out in the available data. Whether St. Charles is right for you depends on your priorities — the full breakdown is below.
All St. Charles city data on this page comes from official government sources — the US Census Bureau, FBI, NCES, BEA, and NOAA — updated annually.
Cost of Living
Index: 102.6St. Charles's overall cost of living index is 102.6, where 100 represents the US national average. Living in St. Charles costs roughly 3% more than the average American city.
| Metric | St. Charles, IL | National Avg |
|---|---|---|
| Median Home Value | $351,300 | $244,900 |
| Median Monthly Rent | $1,678 | $1,163 |
| Homeownership Rate | 70.8% | 65.9% |
| Median Household Income | $110,346 | $74,755 |
Crime & Safety
Very SafeSt. Charles's violent crime rate is 92.2 per 100,000 residents — 76% lower than the national average of ~380 per 100,000.
Vertical marker = national average. Source: FBI UCR Program.
Schools & Education
St. Charles is served primarily by St Charles CUSD 303. The student-to-teacher ratio is 13.3:1 (better than the national average of ~16:1).
| Metric | St. Charles, IL | National Avg |
|---|---|---|
| School District | St Charles CUSD 303 | — |
| Elementary Schools | 11 | — |
| Middle Schools | 2 | — |
| High Schools | 4 | — |
| Student/Teacher Ratio | 13.3:1 | 16:1 |
| Bachelor's Degree or Higher | 52.0% | 35.4% |
| High School Diploma or Higher | 94.6% | 91.1% |
Weather & Climate
St. Charles sees average highs of 30.5°F in January and 84.0°F in July, with 38.5 inches of annual precipitation and 46.2 inches of snow per year.
| Metric | St. Charles, IL |
|---|---|
| Average High — January | 30.5°F |
| Average High — July | 84.0°F |
| Annual Precipitation | 38.5" |
| Annual Snowfall | 46.2" |
Demographics
| Metric | St. Charles, IL | National Avg |
|---|---|---|
| Population | 32,776 | — |
| Median Age | 41.8 | 38.9 |
| Unemployment Rate | 3.9% | 3.7% |
| Avg Commute Time | 28.4 min | 26 min |
| White (non-Hispanic) | 82.9% | 59.3% |
| Black or African American | 3.5% | 13.6% |
| Hispanic or Latino | 6.8% | 18.9% |
| Asian | 4.4% | 6.3% |
| Under 18 | 19.7% | 22.2% |
| 65 and over | 17.3% | 16.8% |
Nearby Cities
ZIP Codes in St. Charles
St. Charles, IL is covered by 1 ZIP code: