Crime in Derry Township, Pennsylvania
Updated ·Vorp Labs
The model puts major crime in Derry Township at 79% below the U.S. rate per resident: 83% lower for persons crimes and 78% lower for property crimes. Expected major crimes are down 10.0% from a year earlier.
- Modeled from FBI crime data for the police agencies serving Derry Township. Where an agency didn't report to the FBI, its totals are estimated from its past reports or similar agencies.
- The model estimates about 3.7 major crimes per 1,000 residents a year (0.5 violent, 3.2 property), against 17.2 for the U.S.
- By the model's major-crime rate per resident, Derry Township is lower than 90% of the 478 other Pennsylvania places and 95% of the 8,446 other places nationwide on CrimeMetric.
Where these numbers come from
The estimates start from what police agencies report to the FBI, modeled across Derry Township's 14 census block groups for 25,108 residents. How Pennsylvania residents' crime totals reach the FBI: detailed incident reports for 32.2%, summary counts only for 35.0%, estimates from past reports or similar agencies for 24.9% and no reporting agency of their own for 8.0% (shares of 2020 residents). Sources · Method
- Year: many show an agency's last full FBI year (often two years back). These figures are the model's estimate for the current year, release 2026-11-10.
- Crimes counted: some add simple assault, vandalism or drug offenses to "violent" or "property" crime; here major crime is persons plus property crime, and social disorder is separate.
- Area: an agency's totals cover its jurisdiction, which can differ from the city's limits; these are summed over the block groups inside Derry Township.
- Scale: a grade or a 1-to-100 score ranks places against each other; a rate per 1,000 residents and an index against the U.S. rate don't.
Rates are the model's estimates of reported crime per 1,000 residents a year. Index: 100 is the U.S. rate per resident; 200 is twice it. How we calculated this
How crime varies across Derry Township
Half of residents live where the major-crime index is between 7 and 31.
- 0–5087.0%
- 50–10013.0%
- 100–2000.0%
- 200–4000.0%
- 400+0.0%
Check an address in Derry Township
Every crime type in Derry Township is near or below the U.S. rate
Citywide indexWhere the middle half of residents live
Property crimes
Social disorder
About the same at every time of week
100 is the U.S. rate, same hours.
Expected major crime fell 10.0% in a year; across Pennsylvania it fell 8.6%
Change in the model's expected crimes, not a count of reports; Pennsylvania in gray. 2031 is a model projection, not tested against past years.
Derry Township against U.S. places with 25,000 to 50,000 residents
1,088 of the 1,120 other places of this size have a major-crime index at least 15% above Derry Township's, and 29 are within 15% of it; the middle of the group is 73. The 9 nearest in population:
U.S. = 100. Residents in gray.
Derry Township has a lower major-crime index than all of its 8 nearest neighbors
The closest, Hummelstown (3 mi), is 2.6 times Derry Township's rate.
U.S. = 100. Miles between population centers.
Questions about crime in Derry Township
Is Derry Township safe?
Derry Township's major-crime index is 21, 79% below the U.S. rate per resident and lower than 90% of the 478 other Pennsylvania places on CrimeMetric: violent crimes against people are 83% below the U.S. rate, and property crimes 78% below the U.S. rate.
What is the crime rate in Derry Township?
The model expects about 92 major crimes a year in Derry Township, about 3.7 per 1,000 residents, 79% below the U.S. rate.
Is crime going up or down in Derry Township?
Expected major crimes in Derry Township are down 10.0% from a year earlier; across Pennsylvania they're down 8.6%.
What are the most common crimes in Derry Township?
By the model's expected count, the most common crimes against people and property are other larceny (about 48 a year), shoplifting (about 12 a year) and aggravated assault (about 8 a year).
Are car break-ins common in Derry Township?
The model expects about 7 thefts from vehicles a year in Derry Township, 89% below the U.S. rate per resident.
Are car thefts common in Derry Township?
The model expects about 4 motor vehicle thefts a year in Derry Township, 90% below the U.S. rate per resident.
Is Derry Township safe at night?
The model's major-crime index is 21 on Sunday to Thursday nights from 6pm to 6am, against 22 at its highest in the daytime; 100 is the U.S. rate for the same hours. That's a citywide estimate per resident for those hours: it can't speak to a particular street, venue or evening. For one address, use the address lookup on this page.
Is crime in Derry Township higher than the Pennsylvania average?
Derry Township's major-crime index is 21, 74% below the Pennsylvania rate per resident. Pennsylvania as a whole is 84, where 100 is the U.S. rate.
How does crime in Derry Township compare with Hummelstown?
Hummelstown, 3 miles away, has a major-crime index of 56, 2.6 times Derry Township's rate per resident. Derry Township's is 21.
How we calculated this
Each police agency's crimes, as reported to the FBI or estimated where it didn't report, are spread across the census block groups it serves using population, jobs, points of interest and, where available, local incident records. Derry Township's figures add up its 14 block groups. The index compares crimes per resident with the U.S. rate.
- Derry Township has no published incident records in our data, so its estimate relies on agency totals and neighborhood characteristics.
- Rates are per resident, so places where many people work or visit but few live, such as downtowns, airports and stadiums, can read high.
- Disorderly conduct and trespassing are modeled, because the FBI records them only through arrests.
- Residents: 25,108. Model updated Nov 10, 2026. Release 2026-11-10
Full method and validation·Data sources
CrimeMetric. "Crime in Derry Township, Pennsylvania." Vorp Labs, updated November 9, 2026 (model Nov 10, 2026). https://crimemetric.com/pa/derry-township
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Major-crime index, U.S. = 100
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