Union County, PA Population by Year

In 2022, the population of Union County was 42,744, a 0.77% increase year-by-year from 2021. Previously, in 2021, Union County's population was 42,419, a decline of 0.52% compared to a population of 42,639 in 2020.
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Updated Sep 18, 2023

Union County, PA population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Union County increased by 1,138. In this period, the peak population was 45,573 in the year 2015. 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 41,606 - -
2001 41,955 349 0.84%
2002 42,086 131 0.31%
2003 42,180 94 0.22%
2004 42,696 516 1.22%
2005 42,952 256 0.6%
2006 43,779 827 1.93%
2007 43,809 30 0.07%
2008 43,865 56 0.13%
2009 43,459 -406 -0.93%
2010 45,005 1,546 3.56%
2011 45,130 125 0.28%
2012 45,195 65 0.14%
2013 44,773 -422 -0.93%
2014 45,017 244 0.54%
2015 45,573 556 1.24%
2016 45,527 -46 -0.1%
2017 44,744 -783 -1.72%
2018 45,090 346 0.77%
2019 44,498 -592 -1.31%
2020 42,639 -1,859 -4.18%
2021 42,419 -220 -0.52%
2022 42,744 325 0.77%
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Union County, PA population from 2000 to 2022

From 2000 to 2010, Union County's population increased by 3,399 (8.17%), 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, Union County's population decreased by 2,366 (5.26%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.17%.

The graph shows Union County's population from 2000 to 2022, with years on x-axis and population on y-axis
Union County's population from 2000 to 2022. The estimated population at the end of 2022 was 42,744. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Union County's population peaked in year 2015 at 45,573.

Between the year 2000 and 2022, Union County's population was lowest in year 2000 at 41,606.

Union County, PA annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Union County grew year by year for 15 years and declined for 7 years.

From 2000 to 2022, Union County had an average annual population growth rate of 0.12% per year. Overall the population grew 2.74% between 2000 and 2022.

The graph shows Union County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Union County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was 0.12% per year. In the last two years, the population grew by 105. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Union County's population grew the most with an increase of 1,546 (3.56%).

While from 2019 and 2020, Union County's population declined the most with a negative growth of 1,859 (-4.18%).

Things to know

Is Union County, PA population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Union County's population increased by 105 between 2020 and 2022. The decrease was 220 (0.52%) between 2020 and 2021; and increase of 325 (0.77%) between 2021 and 2022.

How has the population of Union County, PA changed in the last 10 years?

Between 2012 and 2022, population of Union County decreased by 2,029 (4.53%). The population was highest at 45,573 in the year 2015 and lowest at 42,419 in the year 2021. Overall the average growth rate witnessed for the last 10 years was -0.54%.

References

Datasets

Explore datasets by year of publication.
2023
Union County, PA Population Dataset: Yearly Figures, Population Change, and Percent Change Analysis
Last updated September 18, 2023
ACS
Free
Neilsberg
CSV, JSON
2017-2021
CC BY 4.0
About this dataset

Context

The dataset tabulates the Union County 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 Union County 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 2022, the population of Union County was 42,744, a 0.77% increase year-by-year from 2021. Previously, in 2021, Union County population was 42,419, a decline of 0.52% compared to a population of 42,639 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Union County increased by 1,138. In this period, the peak population was 45,573 in the year 2015. 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).

Union County population by year

Content

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

Data Coverage:

  • From 2000 to 2022

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2022)
  • Population: The population for the specific year for the Union County is shown in this column.
  • Year on Year Change: This column displays the change in Union County 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.

Custom data

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 Union County 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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Neilsberg Research team are data scientists with expertise in processing, analysis and visualization of big data helping small businesses make right decisions.

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