Definition: Place of usual residence
Population censuses - UNECE
Geographic place where the enumerated person usually resides. This may be:
a) The place where he/she actually is at the time of the Census; or
b) His/her legal residence; or
c) His/her residence for voting or other administrative purposes.
Only those persons:
a) who have lived in their place of usual residence for a continuous period of at least twelve months before Census Day; or
b) who have arrived in their place of usual residence during the twelve months before Census Day with the intention of staying there for at least one year
should be considered as usual residents of the relevant geographic or administrative subdivision. Children born in the twelve months before Census Day should be included in the usually resident population of the relevant geographic or administrative subdivision where they live. Persons who have been temporarily absent for a short period from their place of usual residence over the previous twelve months for reasons such as work or holiday travel should be included.
United Nations Economic Commission for Europe (UN-ECE) (in cooperation with Eurostat), "Conference of European Statisticians Recommendations for the 2010 Censuses of Population and Housing", New York and Geneva, 2006