| Statistic | Reportedincidents | /100k people | Dedham/100k people | Massachusetts/100k people | National/100k people |
| Total crime | 405 | n/a (estimate) | 1,597 | 1,427 | 2,119 |
| Murder | 0 | n/a | 0.0 | 1.8 | 5.0 |
| Rape | 5 | n/a | 19.7 | 27.6 | 37.5 |
| Robbery | 2 | n/a | 7.9 | 36.0 | 60.6 |
| Assault | 62 | n/a | 244.5 | 249.3 | 256.1 |
| Violent crime | 69 | n/a (estimate) | 272 | 315 | 359 |
| Burglary | 25 | n/a | 98.6 | 130.3 | 229.2 |
| Theft | 286 | n/a | 1,128.0 | 876.3 | 1,272.1 |
| Vehicle theft | 25 | n/a | 98.6 | 105.5 | 258.8 |
| Property crime | 336 | n/a (estimate) | 1,325 | 1,112 | 1,760 |

The Dedham crime rates are 24.6% lower than the national average. There are two main categories of crime - violent crime and property crime. Violent crime consists of murder, rape, robbery and assault, while property crimes include burglary, theft and vehicle theft. There were a total of 69 violent crimes in Dedham (272 per 100,000 people), which is 24.2% lower than the national average and there were a total of 336 property crimes (1325 per 100,000 residents) which is 24.7% lower than average.
In the most recently reported crime year, Dedham registered zero reported homicides. This statistic not only designates the area as an exemplar of security but also emanates a profound sense of safety within its community. A minimal incidence of severe violent crime not only fosters a strong sense of well-being among residents but also sets a commendable standard for other regions aiming to cultivate similarly safe surroundings.
AreaVibes surveyed 16 local residents in Dedham to gauge the safety of the area. Based on the results, 88% of people answered that there was very little crime in Dedham and that they felt very comfortable walking alone at night. Another 13% of people responded that there was far too much crime and they would be hesitant to walk the streets alone at night. Keep in mind that the opinions of residents may vary depending on which area they live in.
Determining whether Dedham is a place to live may not always yield a simple answer, given the city's varying safety levels across different areas. Nonetheless, comprehending the city's overall crime rate can be a valuable asset. In broad terms, Dedham has an overall crime rate that is 25% lower than the national average. When we take a look at crime on a daily basis, this translates into 1.11 daily occurrences, comprising 0.19 violent crimes and 0.92 property crimes. Scrutinizing these statistics provides a foundation for a more informed assessment of the suitability of Dedham as a potential place to establish residency.
Year-over-year crime data allows us to analyze short-term trends in crime activity. By comparing crime rates from one year to the next, we can identify patterns and shifts in Dedham crime rates. This information can be invaluable for residents looking to make informed decisions on where to live. When comparing the most recent year to the previous year, total crime in Dedham has increased by 28.6% year over year. Violent crime has increased by 305.9% and property crime has increased by 12.8%.
Limited employment opportunities or a prevalence of low-wage jobs can result in higher rates of unemployment and underemployment. Regions where individuals grapple with joblessness or meager wages may exhibit greater vulnerability to an uptick in crime due to financial instability. While areas that have strong employment rates, often will see a reduction in overall crime. Dedham, for instance, reports an unemployment rate of 3.7%, which differs from the national average of 4.9%.
The educational level achieved in any given city can influence crime rates significantly. Greater educational achievement is frequently associated with decreased crime rates, as it offers individuals improved job prospects and alternatives to engaging in crime related activities. Conversely, lower educational attainment rates tend to coincide with elevated crime rates. In Dedham, 91.6% of residents have successfully graduated from high school, in contrast to the national average where 83% have achieved high school graduation.
The median home price in Dedham is $857,762, compared to the national average of $326,622. High housing costs can lead to financial stress for residents. When individuals struggle to make ends meet due to expensive housing, they may be more inclined to engage in criminal activities to address their financial difficulties, such as theft or fraud. Communities with stable housing environments tend to foster stronger social bonds and community engagement. This can lead to increased vigilance and cooperation among residents, which can deter criminal behavior.

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| Item | Dedham | Massachusetts | National |
| Law enforcement employees (officers & civilians) | 57 | 11,659 | 558,732 |
| Police officers & civilians /1000 residents | 2.3 | 2.2 | 3.3 |
| State | Total offenders | Massachusetts /100K | National /100K |
| Massachusetts | 4,551 | 72 | 266 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Sharon, MA | 6,394 | 37 | 240 | 277 |
| Medfield, MA | 6,867 | 149 | 231 | 380 |
| Franklin Town, MA | 34,557 | 95 | 288 | 383 |
| Lexington, MA | 34,058 | 52 | 335 | 387 |
| Winchester, MA | 23,430 | 17 | 383 | 400 |
| Cochituate, MA | 6,978 | 102 | 362 | 464 |
| West Concord, MA | 7,498 | 102 | 362 | 464 |
| Dedham, MA | 26,137 | 272 | 1,325 | 1,597 |
| City | Population | Violent crime/100k people | Property crime/100k people | Total crime/100k people |
| Coral Terrace, FL | 26,129 | 115 | 613 | 729 |
| Haines City, FL | 26,146 | 132 | 794 | 926 |
| Zanesville, OH | 26,125 | 333 | 2,840 | 3,174 |
| Austin, MN | 26,125 | 191 | 1,602 | 1,793 |
| Reading, MA | 26,111 | 39 | 533 | 572 |
| Dedham, MA | 26,137 | 272 | 1,325 | 1,597 |