Mayor Bloomberg warned today that he would have to lay off nearly 19,000 city employees – including 3,150 cops — if the state Legislature cuts aid to the city.

“Let me tell you the voters of New York City aren’t going to take it,” the mayor declared in testimont before a legislative budget hearing in Albany.

Bloomberg’s possible doomsday cuts included:

* Layoffs for 8,500 teachers; 3,150 cops; 1,050 firefighters and thousands of others.

* Shutting 15 senior centers.

* Eliminating funding to 500 soup kitchens.

The mayor said the stood to lose $1.3 billion next year under a spending plan proposed by Gov. Paterson.

That was nearly double the $750 Paterson had estimated.