Polk County, IA population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Polk County increased by 129,528. In this period, the peak population was 505,255 in the year 2023. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth.
| Year | Population | Year on Year Change | Change in Percent |
|---|---|---|---|
| 2000 | 375,727 | - | - |
| 2001 | 380,458 | 4,731 | 1.26% |
| 2002 | 384,914 | 4,456 | 1.17% |
| 2003 | 389,024 | 4,110 | 1.07% |
| 2004 | 393,069 | 4,045 | 1.04% |
| 2005 | 400,073 | 7,004 | 1.78% |
| 2006 | 407,099 | 7,026 | 1.76% |
| 2007 | 414,227 | 7,128 | 1.75% |
| 2008 | 420,748 | 6,521 | 1.57% |
| 2009 | 427,071 | 6,323 | 1.50% |
| 2010 | 432,360 | 5,289 | 1.24% |
| 2011 | 438,783 | 6,423 | 1.49% |
| 2012 | 444,753 | 5,970 | 1.36% |
| 2013 | 452,780 | 8,027 | 1.80% |
| 2014 | 461,069 | 8,289 | 1.83% |
| 2015 | 467,517 | 6,448 | 1.40% |
| 2016 | 474,593 | 7,076 | 1.51% |
| 2017 | 480,962 | 6,369 | 1.34% |
| 2018 | 486,222 | 5,260 | 1.09% |
| 2019 | 491,031 | 4,809 | 0.99% |
| 2020 | 493,022 | 1,991 | 0.41% |
| 2021 | 497,842 | 4,820 | 0.98% |
| 2022 | 501,184 | 3,342 | 0.67% |
| 2023 | 505,255 | 4,071 | 0.81% |
TABLE OF CONTENTS
Polk County, IA population from 2000 to 2023
From 2000 to 2010, Polk County's population increased by 56,633 (15.07%), 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, Polk County's population increased by 60,662 (14.03%), 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, Polk County's population increased by 12,233 (2.48%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Polk County's population from 2000 to 2023.
The estimated population at the end of 2023 was 505,255.
Between the year 2000 and 2023, Polk County's population peaked in year 2023 at 505,255.
Between the year 2000 and 2023, Polk County's population was lowest in year 2000 at 375,727.
Polk County, IA annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Polk County grew year by year for 23 years and declined for 0 years.
From 2000 to 2023, Polk County had an average annual population growth rate of 1.50% per year. Overall the population grew 34.47% between 2000 and 2023.
FIGURE 2
Polk County annual population growth rate
The average annual growth rate from 2000 to 2023 was 1.50% per year.
From 2013 to 2014 Polk County population grew the most, with an increase of 8,289 people (a 1.83% year-on-year increase)..
Between the years2000 and 2023, Polk County did not experience a population decline during any annual cycle.
Things to know
Is Polk County, IA population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, Polk County's population increased by 7,413 between 2021 and 2023. The increase was 3,342 (increased) between 2021 and 2022; and increase of 4,071 (0.81%) between 2022 and 2023.
How has the population of Polk County, IA changed in the last 10 years?
Between 2013 and 2023, population of Polk County increased by 52,475 (11.59%). The population was highest at 505,255 in the year 2023 and lowest at 461,069 in the year 2014. Overall the average growth rate witnessed for the last 10 years was 1.10%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)