Lancaster County, PA Population by Year

In 2022, the population of Lancaster County was 556,629, a 0.10% increase year-by-year from 2021. Previously, in 2021, Lancaster County's population was 556,049, an increase of 0.59% compared to a population of 552,761 in 2020.
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Updated Sep 18, 2023

Lancaster County, PA population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Lancaster County increased by 84,757. In this period, the peak population was 556,629 in the year 2022. 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 471,872 - -
2001 474,915 3,043 0.64%
2002 479,021 4,106 0.86%
2003 483,434 4,413 0.92%
2004 487,672 4,238 0.88%
2005 491,735 4,063 0.83%
2006 497,137 5,402 1.1%
2007 502,100 4,963 1%
2008 506,586 4,486 0.89%
2009 510,343 3,757 0.74%
2010 520,325 9,982 1.96%
2011 523,996 3,671 0.71%
2012 526,949 2,953 0.56%
2013 530,109 3,160 0.6%
2014 533,414 3,305 0.62%
2015 535,960 2,546 0.48%
2016 538,303 2,343 0.44%
2017 541,352 3,049 0.57%
2018 543,960 2,608 0.48%
2019 545,441 1,481 0.27%
2020 552,761 7,320 1.34%
2021 556,049 3,288 0.59%
2022 556,629 580 0.1%
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Lancaster County, PA population from 2000 to 2022

From 2000 to 2010, Lancaster County's population increased by 48,453 (10.27%), 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, Lancaster County's population increased by 32,436 (6.23%), 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 Lancaster County's population from 2000 to 2022, with years on x-axis and population on y-axis
Lancaster County's population from 2000 to 2022. The estimated population at the end of 2022 was 556,629. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Lancaster County's population peaked in year 2022 at 556,629.

Between the year 2000 and 2022, Lancaster County's population was lowest in year 2000 at 471,872.

Lancaster County, PA annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Lancaster County grew year by year for 22 years and declined for 0 years.

From 2000 to 2022, Lancaster County had an average annual population growth rate of 0.82% per year. Overall the population grew 17.96% between 2000 and 2022.

The graph shows Lancaster County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Lancaster County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was 0.82% per year. In the last two years, the population grew by 3,868. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Lancaster County's population grew the most with an increase of 9,982 (1.96%).

While from 2021 and 2022, Lancaster County's population grew the least with a growth of 580 (0.10%).

Things to know

Is Lancaster County, PA population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Lancaster County's population increased by 3,868 between 2020 and 2022. The increase was 3,288 (0.59%) between 2020 and 2021; and increase of 580 (0.10%) between 2021 and 2022.

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

Between 2012 and 2022, population of Lancaster County increased by 26,520 (5.00%). The population was highest at 556,629 in the year 2022 and lowest at 530,109 in the year 2013. Overall the average growth rate witnessed for the last 10 years was 0.55%.

References

Datasets

Explore datasets by year of publication.
2023
Lancaster 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 Lancaster 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 Lancaster 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 Lancaster County was 556,629, a 0.10% increase year-by-year from 2021. Previously, in 2021, Lancaster County population was 556,049, an increase of 0.59% compared to a population of 552,761 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Lancaster County increased by 84,757. In this period, the peak population was 556,629 in the year 2022. The numbers suggest that the population has not reached its peak yet and is showing a trend of further growth. Source: U.S. Census Bureau Population Estimates Program (PEP).

Lancaster 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 Lancaster County is shown in this column.
  • Year on Year Change: This column displays the change in Lancaster 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 Lancaster 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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