Warren County, IL population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Warren County decreased by 2,463. In this period, the peak population was 18,648 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 | 18,648 | - | - |
| 2001 | 18,428 | -220 | -1.18% |
| 2002 | 18,330 | -98 | -0.53% |
| 2003 | 18,151 | -179 | -0.98% |
| 2004 | 17,809 | -342 | -1.88% |
| 2005 | 17,777 | -32 | -0.18% |
| 2006 | 17,728 | -49 | -0.28% |
| 2007 | 17,695 | -33 | -0.19% |
| 2008 | 17,510 | -185 | -1.05% |
| 2009 | 17,505 | -5 | -0.03% |
| 2010 | 17,710 | 205 | 1.17% |
| 2011 | 17,831 | 121 | 0.68% |
| 2012 | 17,742 | -89 | -0.50% |
| 2013 | 17,660 | -82 | -0.46% |
| 2014 | 17,705 | 45 | 0.25% |
| 2015 | 17,448 | -257 | -1.45% |
| 2016 | 17,283 | -165 | -0.95% |
| 2017 | 17,133 | -150 | -0.87% |
| 2018 | 16,979 | -154 | -0.90% |
| 2019 | 16,816 | -163 | -0.96% |
| 2020 | 16,821 | 5 | 0.03% |
| 2021 | 16,585 | -236 | -1.40% |
| 2022 | 16,360 | -225 | -1.36% |
| 2023 | 16,185 | -175 | -1.07% |
TABLE OF CONTENTS
Warren County, IL population from 2000 to 2023
From 2000 to 2010, Warren County's population decreased by 938 (5.03%), 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, Warren County's population decreased by 889 (5.02%), 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, Warren County's population decreased by 636 (3.78%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Warren County's population from 2000 to 2023.
The estimated population at the end of 2023 was 16,185.
Between the year 2000 and 2023, Warren County's population peaked in year 2000 at 18,648.
Between the year 2000 and 2023, Warren County's population was lowest in year 2023 at 16,185.
Warren County, IL annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Warren County grew year by year for 4 years and declined for 19 years.
From 2000 to 2023, Warren County had an average annual population growth rate of 0.57% per year. Overall the population shrank 13.21% between 2000 and 2023.
FIGURE 2
Warren County annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.57% per year.
From 2009 to 2010 Warren County population grew the most, with an increase of 205 people (a 1.17% year-on-year increase)..
From 2003 to 2004 Warren County population experienced the most significant decrease, with a decline of 342 people (a 1.88% year-on-year decline).
Things to know
Is Warren County, IL population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, Warren County's population decreased by 400 between 2021 and 2023. The decrease was 225 (decreased) between 2021 and 2022; and decrease of 175 (1.07%) between 2022 and 2023.
How has the population of Warren County, IL changed in the last 10 years?
Between 2013 and 2023, population of Warren County decreased by 1,475 (8.35%). The population was highest at 17,705 in the year 2014 and lowest at 16,185 in the year 2023. Overall the average growth rate witnessed for the last 10 years was -0.87%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)