Thornton Heights Neighborhood, South Portland
Last updated: October 25, 2026
Crime Rate & Statistics
Very safe neighborhood — well below-average crime rates
Safer than 29% of neighborhoods in South Portland
Summary: Thornton Heights, South Portland Crime Rate (2026)
Thornton Heights, South Portland, ME has a crime safety grade of A as of 2026. The overall crime rate is 27% above the national average.
Data source: FBI UCR & local law enforcement data. Last updated: October 25, 2026.
Safety at a Glance
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in South Portland
Is Thornton Heights Safe?
Mixed — the grade is relative to other neighborhoods, but crime is above the national average. Thornton Heights in South Portland, ME has a safety grade of A. The overall crime index is 127, which is 27% above the national average of 100. Thornton Heights is safer than 29% of neighborhoods in South Portland.
Compared to the South Portland average (crime index 100), Thornton Heights is 27% higher in overall crime.
Looking at specific crime types, vehicle theft is the most elevated concern (index: 142, 42% above average), while robbery is the lowest risk (index: 23).
Thornton Heights Crime Breakdown
Crime indices compared to national average (100) and South Portland city average. Higher values mean more crime.
| Crime Type | Index | vs National | Risk Level | |
|---|---|---|---|---|
| Violent Crime | ||||
|
Murder
|
125 | +25% | Moderate | |
|
Assault
|
113 | +13% | Moderate | |
|
Robbery
|
23 | -77% | Low | |
|
Rape
|
125 | +25% | Moderate | |
| Property Crime | ||||
|
Burglary
|
60 | -40% | Low | |
|
Larceny / Theft
|
138 | +38% | Moderate | |
|
Vehicle Theft
|
142 | +42% | Moderate | |
How Thornton Heights Compares
Crime index by category: Thornton Heights vs South Portland average vs national average.
Crime by Category
Overall Crime Comparison
Thornton Heights Crime Map
Crime heatmap based on block-group level data. Red areas indicate higher crime density.
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Thornton Heights Demographics & Context
Education
Housing
Racial Demographics
Nearby Neighborhoods
Frequently Asked Questions
What is the crime rate in Thornton Heights, South Portland?
Thornton Heights in South Portland, ME has a crime safety grade of A as of 2026. The overall crime index is 127, which is 27% above the national average. Compared to the South Portland average, crime in Thornton Heights is 27% higher. Thornton Heights is safer than 29% of neighborhoods in South Portland.
Is Thornton Heights a safe neighborhood in South Portland?
Thornton Heights has elevated crime levels with a safety grade of A. Extra caution is recommended, especially at night. The highest concern is Vehicle Theft (index: 142), while Robbery is the lowest risk (index: 23).
How does Thornton Heights compare to the rest of South Portland?
Thornton Heights's overall crime index is 127, compared to the South Portland average of 100. This means crime in Thornton Heights is 27% higher than the city average. For violent crime, the index is 97, and for property crime it is 113. However, crime can vary block by block, so checking the crime map for specific streets is recommended.
What type of crime is most common in Thornton Heights?
The most common crime type in Thornton Heights is Vehicle Theft, with a crime index of 142 (42% above the national average). Overall, property crime is more common than violent crime in this neighborhood, which is consistent with national trends.
What are safer neighborhoods near Thornton Heights?
Nearby neighborhoods with good safety ratings include Country Gardens, Meadowbrook, Sunset Park and Cash Corner. These areas are close to Thornton Heights and offer lower crime rates, making them worth considering for residents who prioritize safety.
What are the demographics of Thornton Heights?
Thornton Heights has a population of approximately 790. The median household income is $78,601. The median home value is $197,026. Research shows that economic factors can correlate with crime rates, though many other variables play a role in neighborhood safety.
How does Thornton Heights crime compare to the national average?
Thornton Heights's overall crime rate is 27% above the national average (index 127 vs 100). Within South Portland, it is safer than 29% of neighborhoods. For the most accurate picture, review the per-crime-type breakdown above, as some categories may differ significantly from the overall trend.
Crime data sourced from FBI UCR reports and local law enforcement agencies. Crime indices use 100 as the national average. Updated October 2026.