At the 2011 census Allestree had a population of 13,622 spread out over its hectares. The population is predominantly white and born in England, with 95.6% declaring themselves white at the 2011 census. Only 8.24% of Allestree residents were born outside England with that figure dropping to 4.54% for outside the UK. The under 16s account for 17% of the population while the over 75s account for 11.35% which is higher than the national average 7.54%: this is reflected by a high mean age.