Jefferson County, IL population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Jefferson County decreased by 3,777. In this period, the peak population was 40,342 in the year 2006. 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 | 40,097 | - | - |
| 2001 | 40,063 | -34 | -0.08% |
| 2002 | 40,121 | 58 | 0.14% |
| 2003 | 40,168 | 47 | 0.12% |
| 2004 | 40,199 | 31 | 0.08% |
| 2005 | 40,306 | 107 | 0.27% |
| 2006 | 40,342 | 36 | 0.09% |
| 2007 | 40,325 | -17 | -0.04% |
| 2008 | 40,304 | -21 | -0.05% |
| 2009 | 40,105 | -199 | -0.49% |
| 2010 | 38,757 | -1,348 | -3.36% |
| 2011 | 38,758 | 1 | 0.00% |
| 2012 | 38,672 | -86 | -0.22% |
| 2013 | 38,656 | -16 | -0.04% |
| 2014 | 38,390 | -266 | -0.69% |
| 2015 | 38,290 | -100 | -0.26% |
| 2016 | 38,236 | -54 | -0.14% |
| 2017 | 38,059 | -177 | -0.46% |
| 2018 | 37,704 | -355 | -0.93% |
| 2019 | 37,635 | -69 | -0.18% |
| 2020 | 36,995 | -640 | -1.70% |
| 2021 | 36,889 | -106 | -0.29% |
| 2022 | 36,419 | -470 | -1.27% |
| 2023 | 36,320 | -99 | -0.27% |
TABLE OF CONTENTS
Jefferson County, IL population from 2000 to 2023
From 2000 to 2010, Jefferson County's population decreased by 1,340 (3.34%), 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 County's population decreased by 1,762 (4.55%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.18% .
After the COVID19 pandemic and, between the year 2020 and 2023, Jefferson County's population decreased by 675 (1.82%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Jefferson County's population from 2000 to 2023.
The estimated population at the end of 2023 was 36,320.
Between the year 2000 and 2023, Jefferson County's population peaked in year 2006 at 40,342.
Between the year 2000 and 2023, Jefferson County's population was lowest in year 2023 at 36,320.
Jefferson County, IL annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Jefferson County grew year by year for 6 years and declined for 17 years.
From 2000 to 2023, Jefferson County had an average annual population growth rate of 0.41% per year. Overall the population shrank 9.42% between 2000 and 2023.
FIGURE 2
Jefferson County annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.41% per year.
From 2004 to 2005 Jefferson County population grew the most, with an increase of 107 people (a 0.27% year-on-year increase)..
From 2009 to 2010 Jefferson County population experienced the most significant decrease, with a decline of 1,348 people (a 3.36% year-on-year decline).
Things to know
Is Jefferson County, IL population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, Jefferson County's population decreased by 569 between 2021 and 2023. The decrease was 470 (decreased) between 2021 and 2022; and decrease of 99 (0.27%) between 2022 and 2023.
How has the population of Jefferson County, IL changed in the last 10 years?
Between 2013 and 2023, population of Jefferson County decreased by 2,336 (6.04%). The population was highest at 38,390 in the year 2014 and lowest at 36,320 in the year 2023. Overall the average growth rate witnessed for the last 10 years was -0.62%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)