Fact · population · 2021
Average household size (2021 Census)
平均住戶人數（2021年普查）
Figure and reference date
2.7 persons
2.7 人
Notes and definition
Average household size of 2.7 persons in the 2021 Census.
Other figures in this group (population)
Figures in the same group are not necessarily additive — check the basis note above first. Population.
| Item / 項目 | Figure / 數字 | As of / 時點 | Source / 來源 |
|---|---|---|---|
| Mid-year population (provisional)臨時 年中人口（臨時數字） | 7,518,300 7 518 300 Provisional estimate released on 18 August 2026. A revised figure is due in February 2027. | 2026-06 | Mid-year population for 2026 |
| Mid-year population 2025 2025年年中人口 | 7,498,900 7 498 900 | 2025-06 | Mid-year population for 2026 |
| Year-end population 2025 (revised) 2025年年底人口（修訂） | 7,508,700 7 508 700 | 2025-12 | Mid-year population for 2026 |
| Usual residents (mid-2026) 居港人口（2026年年中） | 7,252,800 7 252 800 | 2026-06 | Mid-year population for 2026 |
| Mobile residents (mid-2026) 流動居民（2026年年中） | 265,500 265 500 | 2026-06 | Mid-year population for 2026 |
| Population density 人口密度 | 6,870 persons per km² 每平方公里 6 870 人 As at mid-2025. Census and Statistics Department also publishes density by Hong Kong Island, Kowloon, and the New Territories and Islands. | 2025-06 | Hong Kong Fact Sheet |
| Population density, Hong Kong Island 香港島人口密度 | 14,540 persons per km² 每平方公里 14 540 人 Mid-year. Excludes marine population and reservoir areas. | 2025-06 | Hong Kong in Figures, 2026 Edition |
| Population density, Kowloon 九龍人口密度 | 47,780 persons per km² 每平方公里 47 780 人 Mid-year. Excludes marine population and reservoir areas. | 2025-06 | Hong Kong in Figures, 2026 Edition |
| Population density, New Territories and Islands 新界及離島人口密度 | 4,250 persons per km² 每平方公里 4 250 人 Mid-year. Excludes marine population and reservoir areas. | 2025-06 | Hong Kong in Figures, 2026 Edition |
| Philippine nationals present in Hong Kong 身在香港的菲律賓國籍人士 | 195,574 195 574 人 Immigration Department movement count for one day, not the stock of foreign residents with a right of abode, and not additive with census ethnicity figures. | 2025-12 | Hong Kong Fact Sheet |
| Indonesian nationals present in Hong Kong 身在香港的印度尼西亞國籍人士 | 182,215 182 215 人 Immigration Department movement count for one day, not the stock of foreign residents with a right of abode, and not additive with census ethnicity figures. | 2025-12 | Hong Kong Fact Sheet |
| Indian nationals present in Hong Kong 身在香港的印度國籍人士 | 39,587 39 587 人 Immigration Department movement count for one day, not the stock of foreign residents with a right of abode, and not additive with census ethnicity figures. | 2025-12 | Hong Kong Fact Sheet |
47 more figures in this group are listed in Population.
Other figures from the same official source
These figures come from the same registered document: “Census & Statistics Dept: 2021 Population Census results” (Census and Statistics Department). Being in one document does not make them additive.
| Item / 項目 | Figure / 數字 | As of / 時點 | Source / 來源 |
|---|---|---|---|
| Median age of population (2021 Census) 人口年齡中位數（2021年普查） | 46.3 years 46.3 歲 2021 Census figure reflecting Hong Kong's ageing population. | 2021 | Census & Statistics Dept: 2021 Population Census results |
| Overall dependency ratio (2021 Census) 整體撫養比率（2021年普查） | 438 dependants per 1,000 persons aged 15–64 每千名15–64歲人士對 438 名年幼及長者 2021 Census overall dependency ratio of 438. | 2021 | Census & Statistics Dept: 2021 Population Census results |
| Number of domestic households (2021 Census) 家庭住戶數目（2021年普查） | 2,674,161 households 2,674,161 戶 Number of domestic households in the 2021 Census. | 2021 | Census & Statistics Dept: 2021 Population Census results |
| Share of population born in Hong Kong (2021 Census) 於香港出生人口比例（2021年普查） | 61.7% 61.7% 2021 Census: 61.7% of population born in Hong Kong. | 2021 | Census & Statistics Dept: 2021 Population Census results |
How to cite this figure
Hong Kong Story, “Average household size (2021 Census)”, https://hongkongstory.org/en/facts/pop-hh-size-2021, data as at 2021 (retrieved ＿).
中文：香港紀事館，〈平均住戶人數（2021年普查）〉，https://hongkongstory.org/facts/pop-hh-size-2021，資料時點 2021（查閱日期 ＿）。
Machine-readable: /api/v1/facts.json (id = pop-hh-size-2021) · OpenAPI 3.1 ·/llms.txt
Registered source
Census & Statistics Dept: 2021 Population Census results
Census and Statistics Department
The official document carries no registered publication date, so only the retrieval date 2026-10-11 is given — no publication year is invented.
This site is a secondary compilation: the official text prevails. If the figure above differs from the official document, the official document is correct.