Household Size Distribution (Census)

Source

Census and Statistics Department (censtatd)

Department URL: https://www.censtatd.gov.hk/en/
Table: Households by Size and District
CKAN Search: https://data.gov.hk/en-data/api/3/action/package_search?q=household+size+district

Format

XLSX Census cycle (every 5 years). Free download.

2.7

Average HH Size (HK)

28%

Single-person HH

2.4M

Total Households

Schema / Fields

Field	Type	Example	Description
`DISTRICT`	string	`Central & Western`	Administrative district
`DCCA_CODE`	string	`C18A01`	DCCA zone code
`HH_SIZE_1`	integer	`8420`	Single-person households
`HH_SIZE_2`	integer	`6130`	Two-person households
`HH_SIZE_3`	integer	`4210`	Three-person households
`HH_SIZE_4`	integer	`3180`	Four-person households
`HH_SIZE_5PLUS`	integer	`1640`	Five or more persons
`TOTAL_HH`	integer	`23580`	Total households in zone
`AVG_HH_SIZE`	float	`2.4`	Average household size

Fields verified via censtatd household tables documentation.

Example API Call

# CKAN search
curl "https://data.gov.hk/en-data/api/3/action/package_search?q=household+size+census"

# Direct censtatd download
curl -L -o household_size.xlsx \
  "https://www.censtatd.gov.hk/en/EIndexbySubject.html?pcode=B1120068"

Example Response

DISTRICT          | 1-person | 2-person | 3-person | 4-person | 5+   | AVG_SIZE
Central&Western   | 8,420    | 6,130    | 4,210    | 3,180    | 1,640 | 2.4
Wan Chai          | 7,210    | 5,890    | 3,980    | 2,760    | 1,120 | 2.5
Islands           | 2,340    | 2,780    | 2,120    | 1,980    | 1,340 | 3.1

Used By

Model	How
Microsimulation	Weights synthetic household composition — dining party size distribution
Geodemographics	Single-person % → high eating-out frequency proxy

Notes / Gotchas

Household size affects dining party size: target solo-friendly seating if area has high single-person %
Domestic helpers share households but are counted in household size — this inflates apparent family size in Mid-Levels
Compare with bedroom count data for a truer household density picture