What is the crime rate in Ayer, MA?

In 2025, the Ayer Police Department reported 17 violent crimes and 51 property crimes to the FBI.

That is 186 violent and 559 property crimes per 100,000 of the 9,125 residents it serves.

Across Massachusetts the rates were 301 and 1,037.

Nationally they were 330 and 1,552.

Figures last updated on November 12, 2026.

Violent per 100,000: 186
Property per 100,000: 559
Violent crimes: 17
Property crimes: 51

Crime reported by the Ayer Police Department, 2023 to 2025

Offenses known to law enforcement, reported to the FBI; rates per 100,000 residents of the area the department serves
Year	Violent crimes	Violent per 100,000	Property crimes	Property per 100,000	Residents served
2023	11	130	61	724	8,430
2024	27	309	32	367	8,729
2025	17	186	51	559	9,125

Violent crimes reported went from 11 in 2023 to 17 in 2025.

Property crimes reported went from 61 in 2023 to 51 in 2025.

In a small town a handful of incidents moves these numbers a long way, so one year’s change says little on its own.

Ayer against Massachusetts and the nation

Crimes per 100,000 residents, 2025
	Violent crime	Property crime
Ayer	186	559
Middlesex County	196	913
Massachusetts	301	1,037
United States	330	1,552

These are rates per resident; they are not adjusted for visitors, commuters or the size of the area, which raise or lower a town’s figures without changing anybody’s risk.

Crime reported in places near Ayer, 2025

Each place’s own police department; rates per 100,000 residents served
Place	Distance	Violent per 100,000	Property per 100,000
Ayer	—	186	559
Groton	3.2 mi	103	224
Shirley	3.4 mi	229	158
Harvard	4.4 mi	71	299
Littleton	4.8 mi	66	417
Boxborough	6.2 mi	90	359
Westford	7.0 mi	32	216
Pepperell	7.3 mi	185	243
Lunenburg	7.5 mi	75	1,039

Neighboring departments count the same offenses the same way, but their areas, populations and visitors differ, so a difference between two towns is a starting point for a question, not an answer.

How to read these numbers

These are offenses known to the police and reported to the FBI’s Uniform Crime Reporting Program: crimes nobody reported, or that a department did not record, are not in them.

Violent crime is murder and nonnegligent manslaughter, rape, robbery and aggravated assault; property crime is burglary, larceny-theft, motor vehicle theft and arson.

A department reports the crimes in the area it polices, which can differ from the town’s boundaries, and the FBI estimates the population it serves.

The FBI asks that these figures not be used to rank places or to judge how safe a neighborhood is: crime depends on many local factors, and the counts describe a whole town, not any street or home.

A year is shown only when the department reported all twelve months.

FBI: Uniform Crime Reporting statistics and their proper use

The figures for Ayer include the places inside it that have pages of their own: Ayer (community).

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