Below are a list of the cities located in Jefferson County, LA. There are 34 total unique zip codes in Jefferson County, Louisiana. The time zone for Jefferson County is the Central Daylight Time zone and they follow daylight savings time. The Federal Information Processing System (FIPS) Code for echo $county.' County, '.$state_abbrev ?> is 22051.
The population in Jefferson County, LA is currently 433,688. That is an increase of 0.23% vs the population of 432,552 in 2010.
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