Monceau on Flickr Jefferson City. Originally a part of Jefferson Parish, this area was incorporated as Jefferson City in 1850. By 1860 its population was 5,107, including 131 free black citizens. It was annexed by the City of New Orleans in 1870. Magazine Street at ?, New Orleans, LA by Louisiana Department of Culture, Recreation and Tourism Colour: brown Wikimedia: Flickr: [geolocate this address]