Leeds Central – the constituency of cabinet minister Hilary Benn – has 7,090 children whose parents claim unemployment benefits, equivalent to 39 per cent.
It has the 16th highest proportion of children growing up in benefit-funded homes out of the 628 constituencies in England, Scotland and Wales.
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The figures, placed by the government in the Commons library, show that across the city there are 23,715 children whose parents claim either Job Seekers Allowance, Income Support, Pension Credit or disability payouts.
In Dewsbury 4,160 children (20.1 per cent) live with parents claiming out-of-work benefits, while in Wakefield 3,700 children (19.7 per cent) are growing up such households.
Nationally, the parents of more than 2.2 million children – one in five – claim out-of-work handouts.
According to the Tories, Britain now has the highest proportion rate of children living in workless households anywhere in Europe.
Shadow Work and Pension Secretary Chris Grayling accused the government of failing on its promise to reduce child poverty and said the New Deal Scheme aimed at getting people into work was "clearly not working."
Shocking
He said: "This is a shocking indictment of the Government's failure to tackle child poverty.
"Worklessness is endemic in many communities, but even so, the fact that nearly half the children brought up in some areas come from homes entirely dependent on benefits is a figure that should bring shame to ministers, particularly given the fact that so many people have come to work in Britain from overseas in the past ten years."
But employment minister Stephen Timms said: "We now have 450,000 fewer children living in workless households than a decade ago, and the rate is falling faster than any major European country.
"Since 1997 600,000 children have been lifted out of poverty. We are stepping up our efforts to get even more people into work and to abolish child poverty by 2020."
A breakdown in the figures shows Leeds Central has the highest number of children living in benefit-funded households in the Yorkshire and Humber region.
In some parts of the country almost half of all children live in households dependent on benefits – 49.2% in the worst affected constituency, Manchester Central.
Benefits for workless households costs £12 billion a year.