Derry township, Westmoreland County, Pennsylvania population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of Derry township decreased by 1,017. In this period, the peak population was 14,601 in the year 2011. 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 | 14,439 | - | - |
| 2001 | 14,425 | -14 | -0.10% |
| 2002 | 14,249 | -176 | -1.22% |
| 2003 | 14,206 | -43 | -0.30% |
| 2004 | 14,101 | -105 | -0.74% |
| 2005 | 14,021 | -80 | -0.57% |
| 2006 | 13,936 | -85 | -0.61% |
| 2007 | 13,870 | -66 | -0.47% |
| 2008 | 13,823 | -47 | -0.34% |
| 2009 | 13,791 | -32 | -0.23% |
| 2010 | 14,500 | 709 | 5.14% |
| 2011 | 14,601 | 101 | 0.70% |
| 2012 | 14,532 | -69 | -0.47% |
| 2013 | 14,481 | -51 | -0.35% |
| 2014 | 14,336 | -145 | -1.00% |
| 2015 | 14,250 | -86 | -0.60% |
| 2016 | 14,146 | -104 | -0.73% |
| 2017 | 14,013 | -133 | -0.94% |
| 2018 | 13,916 | -97 | -0.69% |
| 2019 | 13,801 | -115 | -0.83% |
| 2020 | 13,601 | -200 | -1.45% |
| 2021 | 13,526 | -75 | -0.55% |
| 2022 | 13,476 | -50 | -0.37% |
| 2023 | 13,422 | -54 | -0.40% |
TABLE OF CONTENTS
Derry township, Westmoreland County, Pennsylvania population from 2000 to 2023
From 2000 to 2010, Derry township's population increased by 61 (0.42%), 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, Derry township's population decreased by 899 (6.20%), 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, Derry township's population decreased by 179 (1.32%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
Derry township's population from 2000 to 2023.
The estimated population at the end of 2023 was 13,422.
Between the year 2000 and 2023, Derry township's population peaked in year 2011 at 14,601.
Between the year 2000 and 2023, Derry township's population was lowest in year 2023 at 13,422.
Derry township, Westmoreland County, Pennsylvania annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Derry township grew year by year for 2 years and declined for 21 years.
From 2000 to 2023, Derry township had an average annual population growth rate of 0.31% per year. Overall the population shrank 7.04% between 2000 and 2023.
FIGURE 2
Derry township annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.31% per year.
From 2009 to 2010 Derry township population grew the most, with an increase of 709 people (a 5.14% year-on-year increase)..
From 2019 to 2020 Derry township population experienced the most significant decrease, with a decline of 200 people (a 1.45% year-on-year decline).
Things to know
Is Derry township, Westmoreland County, Pennsylvania population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, Derry township's population decreased by 104 between 2021 and 2023. The decrease was 50 (decreased) between 2021 and 2022; and decrease of 54 (0.40%) between 2022 and 2023.
How has the population of Derry township, Westmoreland County, Pennsylvania changed in the last 10 years?
Between 2013 and 2023, population of Derry township decreased by 1,059 (7.31%). The population was highest at 14,336 in the year 2014 and lowest at 13,422 in the year 2023. Overall the average growth rate witnessed for the last 10 years was -0.76%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)