Mercer County, IL population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Mercer County decreased by 1,411. In this period, the peak population was 16,898 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 | 16,898 | - | - |
| 2001 | 16,869 | -29 | -0.17% |
| 2002 | 16,863 | -6 | -0.04% |
| 2003 | 16,766 | -97 | -0.58% |
| 2004 | 16,719 | -47 | -0.28% |
| 2005 | 16,603 | -116 | -0.69% |
| 2006 | 16,533 | -70 | -0.42% |
| 2007 | 16,476 | -57 | -0.34% |
| 2008 | 16,510 | 34 | 0.21% |
| 2009 | 16,280 | -230 | -1.39% |
| 2010 | 16,410 | 130 | 0.80% |
| 2011 | 16,320 | -90 | -0.55% |
| 2012 | 16,165 | -155 | -0.95% |
| 2013 | 16,077 | -88 | -0.54% |
| 2014 | 15,902 | -175 | -1.09% |
| 2015 | 15,748 | -154 | -0.97% |
| 2016 | 15,611 | -137 | -0.87% |
| 2017 | 15,618 | 7 | 0.04% |
| 2018 | 15,572 | -46 | -0.29% |
| 2019 | 15,490 | -82 | -0.53% |
| 2020 | 15,632 | 142 | 0.92% |
| 2021 | 15,580 | -52 | -0.33% |
| 2022 | 15,533 | -47 | -0.30% |
| 2023 | 15,487 | -46 | -0.30% |
TABLE OF CONTENTS
Mercer County, IL population from 2000 to 2023
From 2000 to 2010, Mercer County's population decreased by 488 (2.89%), 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, Mercer County's population decreased by 778 (4.74%), 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, Mercer County's population decreased by 145 (0.93%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Mercer County's population from 2000 to 2023.
The estimated population at the end of 2023 was 15,487.
Between the year 2000 and 2023, Mercer County's population peaked in year 2000 at 16,898.
Between the year 2000 and 2023, Mercer County's population was lowest in year 2023 at 15,487.
Mercer County, IL annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Mercer County grew year by year for 4 years and declined for 19 years.
From 2000 to 2023, Mercer County had an average annual population growth rate of 0.36% per year. Overall the population shrank 8.35% between 2000 and 2023.
FIGURE 2
Mercer County annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.36% per year.
From 2019 to 2020 Mercer County population grew the most, with an increase of 142 people (a 0.92% year-on-year increase)..
From 2008 to 2009 Mercer County population experienced the most significant decrease, with a decline of 230 people (a 1.39% year-on-year decline).
Things to know
Is Mercer County, IL population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, Mercer County's population decreased by 93 between 2021 and 2023. The decrease was 47 (decreased) between 2021 and 2022; and decrease of 46 (0.30%) between 2022 and 2023.
How has the population of Mercer County, IL changed in the last 10 years?
Between 2013 and 2023, population of Mercer County decreased by 590 (3.67%). The population was highest at 15,902 in the year 2014 and lowest at 15,487 in the year 2023. Overall the average growth rate witnessed for the last 10 years was -0.37%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)