Portsmouth, NH
Crime Rates


Safest Portsmouth neighborhoods

Portsmouth, NH crime analytics

The crime rate in Portsmouth is considerably higher than the national average across all communities in America from the largest to the smallest, although at 20 crimes per one thousand residents, it is not among the communities with the very highest crime rate. The chance of becoming a victim of either violent or property crime in Portsmouth is 1 in 49. Based on FBI crime data, Portsmouth is not one of the safest communities in America. Relative to New Hampshire, Portsmouth has a crime rate that is higher than 82% of the state's cities and towns of all sizes.

How does the crime rate in Portsmouth compare to similar sized communities across America? When NeighborhoodScout compared Portsmouth with other communities its size, we found that the crime rate was near the average for all other communities of similar size. So, whether Portsmouth's crime rate is high or low compared to all places in the US, when we control for population size and compare it to places that are similar in size, it is near the middle of the pack in crime rate; not much more or less dangerous, and about what we would expect from the statistics.

Now let us turn to take a look at how Portsmouth does for violent crimes specifically, and then how it does for property crimes. This is important because the overall crime rate can be further illuminated by understanding if violent crime or property crimes (or both) are the major contributors to the general rate of crime in Portsmouth.

NeighborhoodScout's research shows that Portsmouth's violent crime rate is 2 per one thousand inhabitants, which is about average for all communities in America, across all population sizes. Violent crimes that are tracked and included in this rate are armed robbery, aggravated assault, rape (not statutory), and murder and non-negligent manslaughter. Roughly similar to the national average, our analysis shows that your chance of becoming a victim of violent crime in Portsmouth is one in 567.

NeighborhoodScout's analysis also reveals that Portsmouth's rate for property crime is 19 per one thousand population. This makes Portsmouth a place where there is an above average chance of becoming a victim of a property crime, when compared to all other communities in America of all population sizes. Property crimes are motor vehicle theft, arson, larceny, and burglary. Your chance of becoming a victim of any of these crimes in Portsmouth is one in 54.

Portsmouth Crime Data

Crime Index


(100 is safest)

Safer than 35% of U.S. Cities

Portsmouth Annual Crimes
  Violent Property Total

Number of Crimes




Crime Rate
(per 1,000 residents)




Violent Crime

violent Crime Comparison (per 1,000 residents)

Portsmouth 1.76
New Hampshire 1.99
My Chances of Becoming a Victim of a Violent Crime

1 in 567

in Portsmouth

1 in 502

in New Hampshire
Population: 21,530
Murder Rape Robbery Assault
Report Total 0 12 8 18
Rate per 1,000 0.00 0.56 0.37 0.84
Population: 321,418,820
Murder Rape Robbery Assault
Report Total 15,696 124,047 327,374 764,449
Rate per 1,000 0.05 0.39 1.02 2.38

Property Crime

property Crime Comparison (per 1,000 residents)

Portsmouth 18.63
New Hampshire 17.46
My Chances of Becoming a Victim of a Property Crime

1 in 54

in Portsmouth

1 in 57

in New Hampshire
Portsmouth Property CRIMES
Population: 21,530
burglary theft motor vehicle theft
Report Total 34 348 19
Rate per 1,000 1.58 16.16 0.88
United States Property CRIMES
Population: 321,418,820
burglary theft motor vehicle theft
Report Total 1,579,527 5,706,346 707,758
Rate per 1,000 4.91 17.75 2.20

Portsmouth Crimes Per Square Mile

Portsmouth 28
New Hampshire 6