Since 1801 the government has collected an increasing amount of data about the population through the ten-yearly Census.
The latest Census provides data down to very small areas (200-300 people) covering a range of topics, including:
- age, gender, ethnicity, marital status, migration patterns, health and long-term illness of the population;
- household types, tenure, size and resources;
- economic activity, employment, occupation and travel to work;
The latest census was held on 27 March 2011. The information is available by district and ward from the Office for National Statistics (ONS): Census 2011| .
The initial results showed that there had been a significant increase in the population of Calderdale to 203,800 since the previous census in 2001:
- On Census day, there were 104,200 females and 99,600 males residing in Calderdale;
- Since 2001, there has been an increase in the population of 11,400 (5.9%) - the increase for both West Yorkshire, and England and Wales is 7.1%;
- In Calderdale, the male population has increased by 7.1%, and the female population has increased by 4.8%;
- Since 2001, the number of people aged 65 and over (pensioners) has risen by 8% to 32,400, and the people aged 15 to 64 (working age) has increased 8% to 133,900. People aged 0 to 14 (children and young people) has decreased by 2.5% to 37,500;
- In Calderdale, there has been a rise of 9.5% in households to 88,600 in the last ten years - this compares to 8.0% for West Yorkshire and 7.9% for England and Wales.
More details on the initial results released can be found in: 2011 Census First Results [PDF file 121KB]| .
The ONS provide information based on statistics and surveys on the economy, business and trade, employment, society and population. This is done at national, regional, and local levels. The statistics can all be found on their website: National Statistics Online| .
If you need personal data for researching family history, see Local studies and family history .