---
entity_id: city:jp:jis:122173
entity_type: city
name: "柏市"
country_code: JP
country: Japan
slug: kashiwashi
canonical_url: https://immigrationdb.com/cities/jp/kashiwashi/
json_url: https://immigrationdb.com/data/cities/jp/kashiwashi.json
markdown_url: https://immigrationdb.com/data/cities/jp/kashiwashi.md
mcp_uri: immigrationdb://city/jp/kashiwashi
snapshot_id: approved-static-bb6d69cd3c074ae2
generated_at: 2026-08-04
last_verified: 2026-07-26
fact_count: 7
metric_dictionary_url: https://immigrationdb.com/data/metrics.json
license_url: https://immigrationdb.com/about/copyright/
---

# 柏市

柏市 is a city in Japan. Annual PM2.5 was 8.8 µg/m³ in March 2024. The city covers 114.7 km², with a population density of 3,814.1 people per km² in 2024. In 2024, the foreign population was 13,386.

## Work

The unemployment rate was 3.59% in October 2020.

## Healthcare

There were 280.1 physicians per 100,000 residents in 2022.

## Facts

| Metric | metric_id | Value | Scope | Observed | Verified | Freshness | Lane | Source |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Foreign residents | `foreign_population_total` | 13,386 people | city | 2024 | 2026-07-15 | stale | verified | [1] |
| Population | `population_total` | 435,529 people | municipality | 2024-01-01 | 2026-07-12 | stale | verified | [2] |
| Unemployment rate | `unemployment_total_percent` | 3.5921 % | city | 2020-10-01 | 2026-07-26 | stale | verified | [2] |
| PM2.5 — annual mean | `air_quality_pm25_annual_ug_m3` | 8.8 µg/m³ | city | 2024-03-31 | 2026-07-26 | stale | verified | [3] |
| City area | `city_area_km2` | 114.74 km2 | city | 2024 | 2026-07-15 | stale | verified | [4] |
| Physicians per 100,000 residents | `physicians_per_100k` | 280.1 per 100k | city | 2022 | 2026-07-15 | stale | verified | [5] |
| Population density | `population_density_per_km2` | 3,814.1 people/km² | city | 2024 | 2026-07-15 | stale | verified | [4] |

Every row keeps the value, unit, geographic scope, observation date, verification date and the numbered source below. A missing metric means the city does not publish it; nothing is imputed.

## Sources

1. Exact e-Stat municipality row A2201: 住民基本台帳人口（外国人）. — Official source — https://www.e-stat.go.jp/dbview?sid=0000020101
2. Japan e-Stat municipality official denominator — Official source — https://www.e-stat.go.jp/stat-search/file-download?statInfId=000040306672&fileKind=0
3. MOE Japan Air Pollution Monitoring Report FY2023 — 柏市 — Official source — https://www.env.go.jp/content/000377910.pdf
4. Exact e-Stat municipality row B1101: 総面積（北方地域及び竹島を除く）, converted from ha to km2. — Official source — https://www.e-stat.go.jp/dbview?sid=0000020102
5. Exact e-Stat municipality row I6100 (医師数), derived with the exact same-JIS e-Stat A2301 total resident population row. No prefecture or parent-area value is used. — Official source — https://www.e-stat.go.jp/dbview?sid=0000020109

## Cite

ImmigrationDB. "柏市, Japan." Snapshot approved-static-bb6d69cd3c074ae2, last verified 2026-07-26. https://immigrationdb.com/cities/jp/kashiwashi/

Reuse requires the direct source URL, the observation date and a link back to the ImmigrationDB page: https://immigrationdb.com/about/copyright/

## Data

- HTML: https://immigrationdb.com/cities/jp/kashiwashi/
- JSON: https://immigrationdb.com/data/cities/jp/kashiwashi.json
- Markdown: https://immigrationdb.com/data/cities/jp/kashiwashi.md
- MCP resource: immigrationdb://city/jp/kashiwashi
- Metric dictionary: https://immigrationdb.com/data/metrics.json
- All published city facts, one row each: https://immigrationdb.com/data/facts.ndjson.gz
- Release catalog: https://immigrationdb.com/data/catalog.json