In 2025, Nampa police reported 377 violent crimes (310 per 100,000 residents), including 1 murders, 11 robberies and 278 aggravated assaults, plus 815 property crimes, according to FBI data.
Population covered: 121,713. Violent-crime rate rank: 1 of 3 large Idaho cities on this site (1 = highest rate). Source: FBI Crime Data Explorer, agency ID0140200, January–December 2025.
| City | Violent / 100k | Violent | Murders | Property / 100k | Map |
|---|---|---|---|---|---|
| Nampa | 310 | 377 | 1 | 670 | Totals |
| Boise | 289 | 688 | 3 | 842 | Totals |
| Meridian | 137 | 199 | 0 | 400 | Totals |
Source: FBI Crime Data Explorer agency counts for 2025 (all 12 months reported unless noted), retrieved October 7, 2026. Rates use the population the FBI lists for each police agency.
Nampa's violent-crime rate of 310 per 100,000 people in 2025 was 42% higher than the Idaho rate (218) and about even with the U.S. rate (320). That works out to one reported violent crime for every 323 residents, or about 7.3 a week.
Among the 362 cities with full-year FBI numbers on CityCrimeMap, Nampa ranks 227th for violent crime, in the lower half, and 314th for murder (1 murder, 0.8 per 100,000).
Aggravated assaults made up 74% of Nampa's violent crimes and robberies 3%, a smaller robbery share than the national 15%.
Property crime ran 670 per 100,000, 10% higher than Idaho overall. Nampa police logged 86 vehicle thefts (71 per 100,000, 324th of 351; Idaho: 53) and 92 burglaries (76 per 100,000, 15% lower than the state).
The closest city we cover is Meridian, 8 miles east; its violent-crime rate (137) is less than half Nampa's.
Out-of-state cities near Nampa's size (121,713 residents): Cambridge, MA at 436 violent crimes per 100,000 and Independence, MO at 560.
By the FBI's 2025 numbers, Nampa had 310 violent crimes per 100,000 residents, 42% higher than the statewide 218. It is 1st highest of the 3 Idaho cities on this site; Boise is next at 289. A city-wide rate does not tell you about a single block.
Nampa police reported 1 murder for 2025, a rate of 0.8 per 100,000 residents. The Idaho rate was 1.8 and the national rate 4.1.
86 vehicles were reported stolen in Nampa in 2025, 71 per 100,000 residents. That is less than half the national rate of 195 and ranks 324th of 351 cities on this site.