Surrey pays the most income tax of any County in the UK.

Figures for 2014 to 2015 show it gave £6.84 billion to the treasurer, more than the whole of the North East, Wales and Northern Ireland.

London tops the league some way out in front with £39.2 billion.

https://www.gov.uk/government/statistics/income-and-tax-by-county-and-region-2010-to-2011