Alton, IL Crime Rate & Safety
Higher crime than 74% of major U.S. cities
Based on FBI UCR & local law enforcement data · Updated April 2026
Is Alton Safe?
It's average — crime is at the national average
Crime rates are comparable to the national average. Being aware of your surroundings is advisable.
Alton has a crime rate that is 13% above the national average. Your chance of becoming a victim of violent crime is 1 in 248.
Crime Index Comparison
100 = national average. Calibrated to reflect actual crime severity.
Your Chance of Being a Victim
Violent Crime
1 in 248
chance per year
National average: 1 in 263
6% higher than national average
Property Crime
1 in 46
chance per year
National average: 1 in 55
18% higher than national average
Want to know the crime risk at your exact address?
Alton Crime Breakdown
Estimated crime rates based on FBI UCR data, calibrated to city-level crime score.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
105 | +5% | Average | |
|
Assault
|
114 | +14% | Average | |
|
Robbery
|
84 | -16% | Average | |
|
Rape
|
91 | -9% | Average | |
| Property Crime | ||||
|
Burglary
|
99 | -1% | Average | |
|
Larceny / Theft
|
111 | +11% | Average | |
|
Vehicle Theft
|
105 | +5% | Average | |
Violent vs Property Crime
Crime Index by Category
Alton Crime Map
Neighborhood-level crime heatmap. Click any area for details.
See the crime score for a specific address
Alton Crime by Zip Code
Explore crime data for specific Alton zip codes.
Alton Demographics & Context
Racial Demographics
Frequently Asked Questions
What is the crime rate in Alton, IL?
Alton, IL has a crime safety grade of C as of 2026. The overall crime rate is estimated to be 13% above the national average. Residents face approximately a 1 in 248 chance of being a victim of violent crime per year and a 1 in 46 chance for property crime. Alton has higher crime than 74% of major U.S. cities (population 50,000+).
Is Alton, IL safe to live in?
Alton has a moderate level of crime with a safety grade of C. However, safety varies significantly by neighborhood. Researching specific neighborhoods before moving to or visiting Alton is strongly recommended.
What is the violent crime rate in Alton?
The estimated violent crime rate in Alton is 403.8 per 100,000 residents, which is 6% higher than the national average. This means residents have roughly a 1 in 248 chance of becoming a violent crime victim each year. Key violent crime rates include: murder at 5.2 per 100K (5% above average); aggravated assault at 306.3 per 100K (14% above average); robbery at 61.8 per 100K (16% below average).
What is the property crime rate in Alton?
The estimated property crime rate in Alton is 2,158.7 per 100,000 residents, which is 18% higher than the national average. Residents have roughly a 1 in 46 chance of being a property crime victim per year. Key property crime rates include: burglary at 266.9 per 100K (1% below average); larceny/theft at 1,555.9 per 100K (11% above average); vehicle theft at 335.9 per 100K (5% above average).
How does Alton crime compare to the national average?
Alton's overall crime rate is 13% above the national average as of 2026. The biggest concern is assault (14% above average), while robbery is 16% below average. Compared to other major U.S. cities, Alton has higher crime than 74% of them.
Is Alton safe to visit?
Visitors to Alton should take standard urban precautions. Property crime (theft, vehicle break-ins) is 18% above average, which is typically the main concern for tourists. Avoid leaving valuables in vehicles, stay aware of your surroundings in unfamiliar areas, and stick to well-traveled neighborhoods.
How does Alton crime compare to the rest of Illinois?
Illinois as a whole has crime that is 3% above the national average. Alton's crime rate is 13% above the national average, making it more dangerous than the typical Illinois city.
What type of crime is most common in Alton?
Larceny/theft is the most common crime in Alton, with an estimated rate of 1,555.9 incidents per 100,000 residents. This is 11% above the national average for this crime type. Overall, property crime (2,159 per 100K) is more prevalent than violent crime (404 per 100K) in Alton, which is consistent with national trends.