Crime in Mountain Lakes, New Jersey
Major crime in Mountain Lakes is 79% below the U.S. rate per resident: 86% lower for persons crimes and 77% lower for property crimes. Expected major crimes are down 8.4% from a year earlier.
Modeled estimates per resident, not counts of incidents. How we calculated this
Index: crimes per resident compared with the U.S., where 100 is the U.S. rate and 200 is twice it.
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Every crime type in Mountain Lakes is near or below the U.S. rate
Expected crimes per year in Mountain Lakes for each type, and the index against the U.S. rate per resident.
Citywide indexWhere the middle half of residents live
Social disorder
Neighborhoods in Mountain Lakes
Mountain Lakes is made up of 3 census block groups. The typical resident lives where the major-crime index is 22; the middle half of residents live where it is between 14 and 32.
- 0–50100.0%
- 50–1000.0%
- 100–2000.0%
- 200–4000.0%
- 400+0.0%
Share of residents by the index of their census block group, a neighborhood of roughly 600 to 3,000 people.
Highest on weekday daytimes
Major-crime index by time of week, against the U.S. rate for the same hours.
Major crime fell 8.4% in a year; across New Jersey it fell 10.2%
Change in expected crimes, with New Jersey as a whole in gray. The past year uses the reporting agencies' year-to-date FBI data; 2031 is the model's projection.
Mountain Lakes against U.S. places with 2,000 to 5,000 residents
1,672 of the 1,761 other places of this size have a higher major-crime index than Mountain Lakes; the middle of the group is 58. The 9 nearest in population:
Major-crime index per resident, U.S. = 100; residents in gray.
Mountain Lakes has a higher major-crime index than 1 of its 8 nearest neighbors
The 8 nearest cities and towns we cover, by major-crime index. The closest, Boonton (2 mi), is 1.8 times Mountain Lakes's rate.
Major-crime index per resident, U.S. = 100; distances between where residents live, in miles.
Questions about crime in Mountain Lakes
What are the most common crimes in Mountain Lakes?
By expected count, the most common persons and property crimes are other larceny (about 7 a year), theft from vehicle (about 3 a year) and burglary (about 3 a year). Compared with the U.S., burglary stands out most: 65% below the U.S. rate per resident.
How we calculated this
Each police agency's crimes, as reported to the FBI, are spread across the census block groups it serves using population, jobs, points of interest and, where available, local incident records. Mountain Lakes's figures add up its 3 block groups. The index compares crimes per resident with the U.S. rate.
- Mountain Lakes has no published incident records in our data, so its estimate relies on agency totals and neighborhood characteristics.
- 0.0% of residents live in block groups whose estimate has high confidence (80% interval within about 5x).
- 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: 4,655. Model updated Oct 20, 2026. Release 2026-2026-10-20-2
Full method and validation·Data sources
CrimeMetric. "Crime in Mountain Lakes, New Jersey." Vorp Labs, model updated Oct 20, 2026. https://crimemetric.com/nj/mountain-lakes
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Major-crime index, U.S. = 100
- Boonton2 mi39
- Parsippany2 mi66
- Lake Hiawatha3 mi30
- Rockaway4 mi18
- Morris Plains4 mi54
- Cedar Knolls5 mi131
- Whippany5 mi48
- Pine Brook5 mi37