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All Jefferson Parish population data above are from the US Census Bureau.
The population data for Jefferson Parish are from the Census' American Community Survey 2017 5-year estimates and the Census' 2017 Population Estimates. The demographic data for Caddo Parish, Orleans Parish, Plaquemines Parish, and Vermilion Parish are the most current, comparable demographics available from the US Census Bureau, are from the American Community Survey 2017 5-year estimates, and were downloaded on 6 December 2018. Check out our FAQ section for more details.
With 437,038 people, Jefferson Parish is the 2nd most populated county in the state of Louisiana out of 64 counties. But watch out, Jefferson Parish, because Caddo Parish with 251,069 people and Orleans Parish with 388,182 people are right behind you.
The largest Jefferson Parish racial/ethnic groups are White (53.4%) followed by Black (26.1%) and Hispanic (14.3%).
In 2017, the median household income of Jefferson Parish residents was $50,868. Jefferson Parish households made slightly more than Plaquemines Parish households ($49,635) and Vermilion Parish households ($49,266) . However, 16.3% of Jefferson Parish residents live in poverty.
The median age for Jefferson Parish residents is 39.0 years young.
86% of people CANNOT find the data they're looking for on the US Census Bureau website. Source: Nielsen Norman Group
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