Two councils are calling for government help to improve the seaside village of Jaywick, named as England's most deprived neighbourhood.
Jaywick's Brooklands estate has been revealed in a government report as the country's most impoverished area.
More than 32,500 areas were ranked on factors including health, disability, education, living standards and crime.
Tendring District Council and Essex County Council are seeking government support to regenerate Jaywick.
The village, a suburb of Clacton, has many homes originally built as holiday chalets.
The two councils said they had been tackling a range of problems blighting Jaywick, including demolishing poor housing, reducing crime and anti-social behaviour and addressing skills shortages.
Other issues facing the area include high unemployment, low earnings and the risk of flooding.
'Popular with many'
Peter Martin, leader of Essex County Council and chairman of the Coastal Renaissance Partnership Board, said the problems facing Jaywick demanded national recognition.
"I am extremely disappointed to see Jaywick topping the table of the country's most deprived neighbourhoods - we have been trying to get the issue on the government's radar since 2007," he said.
"We have made a start in improving the area, working alongside local residents, and while Jaywick remains popular with many, we really need the government's help to turn things around."
Neil Stock, leader of Tending District Council, said: "These figures are a poor reflection of this wonderful and popular resort but the area is starved of investment.
"So far our pleas for help have gone unanswered but now is the time for us to sit down with ministers and agree how they can help us arrest the area's decline."
Chorleywood in Hertfordshire was named as the least deprived area in the Department for Communities and Local Government study.