Williamson County, IL population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Williamson County increased by 5,426. In this period, the peak population was 67,504 in the year 2016. 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 | 61,280 | - | - |
| 2001 | 61,799 | 519 | 0.85% |
| 2002 | 62,178 | 379 | 0.61% |
| 2003 | 62,469 | 291 | 0.47% |
| 2004 | 63,231 | 762 | 1.22% |
| 2005 | 63,710 | 479 | 0.76% |
| 2006 | 63,657 | -53 | -0.08% |
| 2007 | 64,331 | 674 | 1.06% |
| 2008 | 64,691 | 360 | 0.56% |
| 2009 | 65,131 | 440 | 0.68% |
| 2010 | 66,440 | 1,309 | 2.01% |
| 2011 | 66,745 | 305 | 0.46% |
| 2012 | 66,793 | 48 | 0.07% |
| 2013 | 67,472 | 679 | 1.02% |
| 2014 | 67,439 | -33 | -0.05% |
| 2015 | 67,457 | 18 | 0.03% |
| 2016 | 67,504 | 47 | 0.07% |
| 2017 | 67,076 | -428 | -0.63% |
| 2018 | 67,017 | -59 | -0.09% |
| 2019 | 66,633 | -384 | -0.57% |
| 2020 | 67,114 | 481 | 0.72% |
| 2021 | 66,883 | -231 | -0.34% |
| 2022 | 66,544 | -339 | -0.51% |
| 2023 | 66,706 | 162 | 0.24% |
TABLE OF CONTENTS
Williamson County, IL population from 2000 to 2023
From 2000 to 2010, Williamson County's population increased by 5,160 (8.42%), 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, Williamson County's population increased by 674 (1.01%), 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, Williamson County's population decreased by 408 (0.61%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Williamson County's population from 2000 to 2023.
The estimated population at the end of 2023 was 66,706.
Between the year 2000 and 2023, Williamson County's population peaked in year 2016 at 67,504.
Between the year 2000 and 2023, Williamson County's population was lowest in year 2000 at 61,280.
Williamson County, IL annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Williamson County grew year by year for 16 years and declined for 7 years.
From 2000 to 2023, Williamson County had an average annual population growth rate of 0.38% per year. Overall the population grew 8.85% between 2000 and 2023.
FIGURE 2
Williamson County annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.38% per year.
From 2009 to 2010 Williamson County population grew the most, with an increase of 1,309 people (a 2.01% year-on-year increase)..
From 2016 to 2017 Williamson County population experienced the most significant decrease, with a decline of 428 people (a 0.63% year-on-year decline).
Things to know
Is Williamson County, IL population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, Williamson County's population decreased by 177 between 2021 and 2023. The decrease was 339 (increased) between 2021 and 2022; and increase of 162 (0.24%) between 2022 and 2023.
How has the population of Williamson County, IL changed in the last 10 years?
Between 2013 and 2023, population of Williamson County decreased by 766 (1.14%). The population was highest at 67,504 in the year 2016 and lowest at 66,544 in the year 2022. Overall the average growth rate witnessed for the last 10 years was -0.11%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)