Jefferson Parish, LA Population by Year

In 2022, the population of Jefferson Parish was 425,884, a 1.85% decrease year-by-year from 2021. Previously, in 2021, Jefferson Parish's population was 433,929, a decline of 1.32% compared to a population of 439,712 in 2020.
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Updated Sep 18, 2023

Jefferson Parish, LA population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Jefferson Parish decreased by 28,837. In this period, the peak population was 454,721 in the year 2000. The numbers suggest that the population has already reached its peak and is showing a trend of decline.

Year Population Year on Year Change Change in Percent
2000 454,721 - -
2001 451,970 -2,751 -0.6%
2002 451,248 -722 -0.16%
2003 451,300 52 0.01%
2004 452,280 980 0.22%
2005 451,124 -1,156 -0.26%
2006 420,065 -31,059 -6.88%
2007 425,292 5,227 1.24%
2008 423,263 -2,029 -0.48%
2009 422,268 -995 -0.24%
2010 432,618 10,350 2.45%
2011 434,133 1,515 0.35%
2012 434,049 -84 -0.02%
2013 434,394 345 0.08%
2014 434,235 -159 -0.04%
2015 435,358 1,123 0.26%
2016 436,865 1,507 0.35%
2017 436,571 -294 -0.07%
2018 434,637 -1,934 -0.44%
2019 434,096 -541 -0.12%
2020 439,712 5,616 1.29%
2021 433,929 -5,783 -1.32%
2022 425,884 -8,045 -1.85%
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Jefferson Parish, LA population from 2000 to 2022

From 2000 to 2010, Jefferson Parish's population decreased by 22,103 (4.86%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 9.63%.

From 2010 to 2020, Jefferson Parish's population increased by 7,094 (1.64%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.

The graph shows Jefferson Parish's population from 2000 to 2022, with years on x-axis and population on y-axis
Jefferson Parish's population from 2000 to 2022. The estimated population at the end of 2022 was 425,884. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Jefferson Parish's population peaked in year 2000 at 454,721.

Between the year 2000 and 2022, Jefferson Parish's population was lowest in year 2006 at 420,065.

Jefferson Parish, LA annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Jefferson Parish grew year by year for 9 years and declined for 13 years.

From 2000 to 2022, Jefferson Parish had an average annual population growth rate of -0.29% per year. Overall the population shrank 6.34% between 2000 and 2022.

The graph shows Jefferson Parish's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Jefferson Parish's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was -0.29% per year. In the last two years, the population declined by 13,828. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Jefferson Parish's population grew the most with an increase of 10,350 (2.45%).

While from 2005 and 2006, Jefferson Parish's population declined the most with a negative growth of 31,059 (-6.88%).

Things to know

Is Jefferson Parish, LA population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Jefferson Parish's population decreased by 13,828 between 2020 and 2022. The decrease was 5,783 (1.32%) between 2020 and 2021; and decrease of 8,045 (1.85%) between 2021 and 2022.

How has the population of Jefferson Parish, LA changed in the last 10 years?

Between 2012 and 2022, population of Jefferson Parish decreased by 8,510 (1.96%). The population was highest at 439,712 in the year 2020 and lowest at 425,884 in the year 2022. Overall the average growth rate witnessed for the last 10 years was -0.19%.

References

Datasets

Explore datasets by year of publication.
2023
Jefferson Parish, LA Population Dataset: Yearly Figures, Population Change, and Percent Change Analysis
Last updated September 18, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Jefferson Parish population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of Jefferson Parish across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2022, the population of Jefferson Parish was 425,884, a 1.85% decrease year-by-year from 2021. Previously, in 2021, Jefferson Parish population was 433,929, a decline of 1.32% compared to a population of 439,712 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Jefferson Parish decreased by 28,837. In this period, the peak population was 454,721 in the year 2000. The numbers suggest that the population has already reached its peak and is showing a trend of decline. Source: U.S. Census Bureau Population Estimates Program (PEP).

Jefferson Parish population by year

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

  • From 2000 to 2022

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2022)
  • Population: The population for the specific year for the Jefferson Parish is shown in this column.
  • Year on Year Change: This column displays the change in Jefferson Parish population for each year compared to the previous year.
  • Change in Percent: This column displays the year on year change as a percentage. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

Custom data

If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Jefferson Parish Population by Year. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

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