Most Dangerous Cities in Maine
Top 21 cities (≥10,000 pop) by highest FBI UCR violent crime rate per 100,000 · 2024. Lead: Biddeford at 313.8/100K.
FBI UCR Highest-Crime Snapshot: Maine
Maine lists 21 cities with 10,000+ population for 2024, spanning Biddeford at 313.8/100K violent down to Gorham at 21.8/100K on this highest-crime cut. That is a 292/100K spread inside the elevated cohort alone, not a single statewide rate. Cohort average: 127.2 violent offenses per 100,000 residents.
Biddeford reported 70 violent and 524 property offenses on a 22,310 reporting population in 2024. Property rate 2348.7/100K sits beside the 313.8/100K violent rate. Top five on the table: Biddeford, Portland, Augusta, Lewiston, Auburn.
Biddeford offense desk
Biddeford's 2024 violent book concentrates in aggravated assault (64% of 70 Part I violent offenses; mix index 4,731).
Biddeford's violent rate fell 9.9% vs 2023 (348.2 → 313.8 per 100K) while staying #1 on this Maine highest-crime list.
Biddeford violent offense mix (2024)
Mix index is HHI × 10,000 on Part I violent shares for the #1 city only, distinct from the per-100K ranking table.
| # | Grade | City | Population | Violent Crime Rate | Property Crime Rate |
|---|---|---|---|---|---|
| 1 | C | Biddeford | 22,310 | 313.8/100K | 2348.7/100K |
| 2 | C | Portland | 69,310 | 266.9/100K | 2478.7/100K |
| 3 | C | Augusta | 19,164 | 250.5/100K | 4091/100K |
| 4 | B | Lewiston | 38,850 | 244.5/100K | 1529/100K |
| 5 | C | Auburn | 25,038 | 215.7/100K | 2428.3/100K |
| 6 | B | Westbrook | 20,608 | 174.7/100K | 1154.9/100K |
| 7 | C | Bangor | 31,598 | 161.4/100K | 4237.6/100K |
| 8 | B | Sanford | 22,345 | 156.6/100K | 2627/100K |
| 9 | C | Waterville | 16,867 | 142.3/100K | 3023.7/100K |
| 10 | A | Windham | 20,064 | 84.7/100K | 762.6/100K |
| 11 | A | Wells | 12,027 | 83.1/100K | 723.4/100K |
| 12 | A | Saco | 21,144 | 80.4/100K | 1078.3/100K |
| 13 | A | Brunswick | 22,662 | 70.6/100K | 1191.4/100K |
| 14 | A | Kennebunk | 12,040 | 66.4/100K | 631.2/100K |
| 15 | A | South Portland | 26,931 | 63.1/100K | 1370.2/100K |
| 16 | A | Scarborough | 24,147 | 62.1/100K | 1056/100K |
| 17 | A | Falmouth | 13,004 | 61.5/100K | 592.1/100K |
| 18 | A | Kittery | 11,031 | 54.4/100K | 1178.5/100K |
| 19 | A+ | York | 14,249 | 49.1/100K | 456.2/100K |
| 20 | A+ | Orono | 12,641 | 47.5/100K | 102.8/100K |
| 21 | A+ | Gorham | 18,344 | 21.8/100K | 398/100K |
Maine overview · Safest cities · National most dangerous cities · Methodology - FBI UCR Part I rates; cities ≥10,000 pop; 2024.