Estimates suggest 40-50 women are sleeping outside in West Northants, with some involved in sex work.
An Isle of Man census was held earlier this year, with each household required by law to complete it.
India's post office turned stamps, postcards and letters into tools for counting a nation after independence in 1947.
Every household on the Isle of Man must submit details of who lives in the home on Sunday night.
Although NI's 1926 Census forms were lost, surviving data gives a snapshot of society at the time.
The 1926 census is available online from Saturday morning and the public are able to look up their own families.
The Cabinet Office will be holding an interim census on 26 April, recording all Manx households.
The two-phase exercise - the world’s most ambitious - will see three million officials count every Indian.
The survey asked pupils as young as 14 about their sexual experiences but parents said they were not told about the nature of the questions.
