Koyama 4-chome
小山４丁目 — Shinagawa (品川区), Tokyo
Is Koyama 4-chome safe?
Koyama 4-chome in Shinagawa, Tokyo has a safety grade of B (Average) with a crime rate of 6.1 per 1,000 residents based on 18 reported incidents in 2024 and a population of 2,956. Data source: Tokyo Metropolitan Police Department (警視庁).
Koyama 4-chome (小山４丁目) is a residential neighborhood in Shinagawa, Tokyo with a residential population of 2,956 (2020 Census). The average household size is 1.7 persons. The nearest station is (武蔵小山), approximately a 4-minute walk away. Other nearby stations include (6 min) and (14 min).
Based on 2024 official data from the Tokyo Metropolitan Police Department, Koyama 4-chome recorded 18 criminal incidents, resulting in a crime rate of 6.1 per 1,000 residents and earning a safety grade of B (Average). Compared to 2023, reported crime decreased by 2 cases. Over the full 6-year period since 2018, crime has notably increased (+80%).
The most frequently reported crime type in this area is bicycle theft (6 cases in 2024), accounting for 33% of all incidents. For broader context, Shinagawa ranks #7 out of 23 wards in Tokyo for overall safety.
Crime Trend (2018-2024)
| Year | Total | Serious | Assault | Burglary | Theft | Other |
|---|---|---|---|---|---|---|
| 2018 | 10 | 0 | 1 | 0 | 8 | 1 |
| 2019 | 23+130% | 0 | 0 | 0 | 21 | 2 |
| 2020 | 17-26% | 0 | 2 | 0 | 10 | 5 |
| 2021 | 16-6% | 0 | 3 | 1 | 9 | 3 |
| 2022 | 11-31% | 0 | 0 | 0 | 3 | 8 |
| 2023 | 20+82% | 0 | 1 | 0 | 17 | 2 |
| 2024 | 18-10% | 0 | 2 | 1 | 10 | 5 |
Crime Breakdown (2024)
Theft
- Bicycle theft
- 6
- Shoplifting
- 0
- Pickpocketing
- 0
- Theft from vehicles
- 0
Violent & Property Crime
- Assault/Battery
- 2
- Injury
- 0
- Robbery
- 0
- Residential burglary
- 0
- Fraud
- 0
Demographics
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Walking time estimated at 80m/min (4.8 km/h). Distances are straight-line.