Upper St. Clair Township, Pennsylvania Population by Year

In 2023, the population of Upper St. Clair township was 20,581, a 1% decrease year-by-year from 2022. Previously, in 2022, Upper St. Clair township's population was 20,789, a decline of 0.94% compared to a population of 20,987 in 2021.
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Updated Aug 1, 2024

Upper St. Clair Township, Pennsylvania population between 2000 and 2023

Over the last 20 plus years, between 2000 and 2023, population of Upper St. Clair township increased by 688. In this period, the peak population was 21,137 in the year 2020. 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 19,893 - -
2001 19,786 -107 -0.54%
2002 19,687 -99 -0.50%
2003 19,538 -149 -0.76%
2004 19,378 -160 -0.82%
2005 19,170 -208 -1.07%
2006 19,004 -166 -0.87%
2007 18,891 -113 -0.59%
2008 18,832 -59 -0.31%
2009 18,832 - -
2010 19,545 713 3.79%
2011 19,579 34 0.17%
2012 19,597 18 0.09%
2013 19,638 41 0.21%
2014 19,621 -17 -0.09%
2015 19,860 239 1.22%
2016 20,040 180 0.91%
2017 19,951 -89 -0.44%
2018 19,961 10 0.05%
2019 19,957 -4 -0.02%
2020 21,137 1,180 5.91%
2021 20,987 -150 -0.71%
2022 20,789 -198 -0.94%
2023 20,581 -208 -1.00%
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Upper St. Clair Township, Pennsylvania population from 2000 to 2023

From 2000 to 2010, Upper St. Clair township's population decreased by 348 (1.75%), 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, Upper St. Clair township's population increased by 1,592 (8.15%), 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, Upper St. Clair township's population decreased by 556 (2.63%).For the same period, the rate of growth for the United States was 1.02%.

FIGURE 1

Upper St. Clair township's population from 2000 to 2023.

The estimated population at the end of 2023 was 20,581.

Source: U.S. Census Bureau (Population Estimates Program).

Between the year 2000 and 2023, Upper St. Clair township's population peaked in year 2020 at 21,137.

Between the year 2000 and 2023, Upper St. Clair township's population was lowest in year 2008 at 18,832.

Upper St. Clair Township, Pennsylvania annual population growth rate

Between the years 2000 and 2023, i.e. 23 annual cycles, the population of Upper St. Clair township grew year by year for 8 years and declined for 14 years.

From 2000 to 2023, Upper St. Clair township had an average annual population growth rate of 0.15% per year. Overall the population grew 3.46% between 2000 and 2023.

FIGURE 2

Upper St. Clair township annual population growth rate

The average annual growth rate from 2000 to 2023 was 0.15% per year.

Source: U.S. Census Bureau (Population Estimates Program).

From 2019 to 2020 Upper St. Clair township population grew the most, with an increase of 1,180 people (a 5.91% year-on-year increase)..

From 2004 to 2005 Upper St. Clair township population experienced the most significant decrease, with a decline of 208 people (a 1.07% year-on-year decline).

Things to know

Is Upper St. Clair Township, Pennsylvania population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Upper St. Clair township's population decreased by 406 between 2021 and 2023. The decrease was 198 (increased) between 2021 and 2022; and decrease of 208 (1%) between 2022 and 2023.

How has the population of Upper St. Clair Township, Pennsylvania changed in the last 10 years?

Between 2013 and 2023, population of Upper St. Clair township increased by 943 (4.80%). The population was highest at 21,137 in the year 2020 and lowest at 19,621 in the year 2014. Overall the average growth rate witnessed for the last 10 years was 0.49%.

References

Datasets

Explore datasets by year of publication.
2024
Upper St. Clair Township, Pennsylvania Annual Population and Growth Analysis Dataset: A Comprehensive Overview of Population Changes and Yearly Growth Rates in Upper St. Clair township from 2000 to 2023 // 2024 Edition
Last updated July 30, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the Upper St. Clair township population over the last 20 plus years. It lists the population for each year, along with the year on year change in population, as well as the change in percentage terms for each year. The dataset can be utilized to understand the population change of Upper St. Clair township across the last two decades. For example, using this dataset, we can identify if the population is declining or increasing. If there is a change, when the population peaked, or if it is still growing and has not reached its peak. We can also compare the trend with the overall trend of United States population over the same period of time.

Key observations

In 2023, the population of Upper St. Clair township was 20,581, a 1% decrease year-by-year from 2022. Previously, in 2022, Upper St. Clair township population was 20,789, a decline of 0.94% compared to a population of 20,987 in 2021. Over the last 20 plus years, between 2000 and 2023, population of Upper St. Clair township increased by 688. In this period, the peak population was 21,137 in the year 2020. The numbers suggest that the population has already reached its peak and is showing a trend of decline. Source: U.S. Census Bureau Population Estimates Program (PEP).

Content

When available, the data consists of estimates from the U.S. Census Bureau Population Estimates Program (PEP).

Data Coverage:

  • From 2000 to 2023

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2023)
  • Population: The population for the specific year for the Upper St. Clair township is shown in this column.
  • Year on Year Change: This column displays the change in Upper St. Clair township population for each year compared to the previous year.
  • Change in Percent: This column displays the year on year change as a percentage. Please note that the sum of all percentages may not equal one due to rounding of values.

Good to know

Margin of Error

Data in the dataset are based on the estimates and are subject to sampling variability and thus a margin of error. Neilsberg Research recommends using caution when presening these estimates in your research.

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If you do need custom data for any of your research project, report or presentation, you can contact our research staff at research@neilsberg.com for a feasibility of a custom tabulation on a fee-for-service basis.

Inspiration

Neilsberg Research Team curates, analyze and publishes demographics and economic data from a variety of public and proprietary sources, each of which often includes multiple surveys and programs. The large majority of Neilsberg Research aggregated datasets and insights is made available for free download at https://www.neilsberg.com/research/.

Recommended for further research

This dataset is a part of the main dataset for Upper St. Clair township Population by Year. You can refer the same here

If you're looking for datasets from another year, please feel free to contact us at research@neilsberg.com and we'll be happy to assist you further.

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