The Chicago postal district, which handles nearly 10 million pieces of mail each business day, has 4,250 mail carriers.
However, in 2008, the district flipped and voted for Barack Obama, like other suburban Chicago districts.
Rostenkowski's Chicago district has reelected him by overwhelming margins every two years.
The Chicago district has its own real estate agents to squeeze money from its extensive property holdings.
Building contractors in the Chicago district, meanwhile, were said to be recruiting scarce workers at the construction sites of competitors.
The Chicago district is facing a $298 million deficit that its financing authority says it can no longer carry.
She congratulated some school districts, including the Chicago district, that have officially ended social promotion.
In December 1996, seven police officers in a northwest Chicago district were indicted on Federal drug-conspiracy charges.
It enables his party to move early to shore up its hold on his suburban Chicago district, a Republican stronghold in an increasingly Democratic state.
He was Director of Price Stabilization, Chicago district, 1951.