St. Louis County, MO population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of St. Louis County decreased by 29,216. In this period, the peak population was 1.02 million in the year 2001. 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 | 1,016,275 | - | - |
| 2001 | 1,016,451 | 176 | 0.02% |
| 2002 | 1,014,604 | -1,847 | -0.18% |
| 2003 | 1,011,863 | -2,741 | -0.27% |
| 2004 | 1,007,907 | -3,956 | -0.39% |
| 2005 | 1,004,005 | -3,902 | -0.39% |
| 2006 | 1,001,553 | -2,452 | -0.24% |
| 2007 | 998,635 | -2,918 | -0.29% |
| 2008 | 997,183 | -1,452 | -0.15% |
| 2009 | 997,030 | -153 | -0.02% |
| 2010 | 998,846 | 1,816 | 0.18% |
| 2011 | 1,000,147 | 1,301 | 0.13% |
| 2012 | 1,000,975 | 828 | 0.08% |
| 2013 | 1,000,746 | -229 | -0.02% |
| 2014 | 1,000,903 | 157 | 0.02% |
| 2015 | 1,001,585 | 682 | 0.07% |
| 2016 | 998,393 | -3,192 | -0.32% |
| 2017 | 997,116 | -1,277 | -0.13% |
| 2018 | 995,900 | -1,216 | -0.12% |
| 2019 | 995,467 | -433 | -0.04% |
| 2020 | 1,003,130 | 7,663 | 0.77% |
| 2021 | 998,439 | -4,691 | -0.47% |
| 2022 | 990,791 | -7,648 | -0.77% |
| 2023 | 987,059 | -3,732 | -0.38% |
TABLE OF CONTENTS
St. Louis County, MO population from 2000 to 2023
From 2000 to 2010, St. Louis County's population decreased by 17,429 (1.71%), 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, St. Louis County's population increased by 4,284 (0.43%), 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, St. Louis County's population decreased by 16,071 (1.60%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
St. Louis County's population from 2000 to 2023.
The estimated population at the end of 2023 was 987,059.
Between the year 2000 and 2023, St. Louis County's population peaked in year 2001 at 1.02 million.
Between the year 2000 and 2023, St. Louis County's population was lowest in year 2023 at 987,059.
St. Louis County, MO annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of St. Louis County grew year by year for 7 years and declined for 16 years.
From 2000 to 2023, St. Louis County had an average annual population growth rate of 0.12% per year. Overall the population shrank 2.87% between 2000 and 2023.
FIGURE 2
St. Louis County annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.12% per year.
From 2019 to 2020 St. Louis County population grew the most, with an increase of 7,663 people (a 0.77% year-on-year increase)..
From 2021 to 2022 St. Louis County population experienced the most significant decrease, with a decline of 7,648 people (a 0.77% year-on-year decline).
Things to know
Is St. Louis County, MO population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, St. Louis County's population decreased by 11,380 between 2021 and 2023. The decrease was 7,648 (increased) between 2021 and 2022; and decrease of 3,732 (0.38%) between 2022 and 2023.
How has the population of St. Louis County, MO changed in the last 10 years?
Between 2013 and 2023, population of St. Louis County decreased by 13,687 (1.37%). The population was highest at 1 million in the year 2020 and lowest at 987,059 in the year 2023. Overall the average growth rate witnessed for the last 10 years was -0.14%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)