The latest figure, backdated to December 2023, is close to 65,000 and increased by 910 last year, which is up 1.4%.
Migration is endorsed by the States to ensure the working population remains buoyant and brings in vital income tax revenue.
Latest States figures, published on 27 October 2024, show 1,049 people moved to the island in 2023.
Mortality figures and those moving away meant there was a positive increase in the population of 910.
Guernsey's working population increased too.
32,000 people were in work at the end of June, which is an increase of nearly 1% in a year.
Finance and its associated professions account for more than 22% of job roles in Guernsey.
Guernsey's median wage, which is defined as the middle figure in a list, stands at £42,600.

Guernsey's Guille Alles continues to loan Walliams' books
Gas bills to go up by 5% in December
Guernsey attracts more visitors in 2026
Guernsey property prices increase 3.6% over the past year
Guernsey families urged to explore ancestors roles during the world wars
New electricity cable for Guernsey could be in place by 2030
Take a look at the Channel Islands' new all-weather lifeboat
Call for meaningful protection for Guernsey's mature trees