Allen County, KY Population by Year

In 2022, the population of Allen County was 21,275, a 2.15% increase year-by-year from 2021. Previously, in 2021, Allen County's population was 20,828, an increase of 1.24% compared to a population of 20,573 in 2020.
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Updated Sep 18, 2023

Allen County, KY population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Allen County increased by 3,489. In this period, the peak population was 21,320 in the year 2019. 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 17,786 - -
2001 17,846 60 0.34%
2002 18,051 205 1.15%
2003 18,188 137 0.76%
2004 18,377 189 1.04%
2005 18,509 132 0.72%
2006 18,784 275 1.49%
2007 18,966 182 0.97%
2008 19,172 206 1.09%
2009 19,066 -106 -0.55%
2010 20,023 957 5.02%
2011 20,164 141 0.7%
2012 20,220 56 0.28%
2013 20,304 84 0.42%
2014 20,482 178 0.88%
2015 20,655 173 0.84%
2016 20,706 51 0.25%
2017 20,891 185 0.89%
2018 21,104 213 1.02%
2019 21,320 216 1.02%
2020 20,573 -747 -3.5%
2021 20,828 255 1.24%
2022 21,275 447 2.15%
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Allen County, KY population from 2000 to 2022

From 2000 to 2010, Allen County's population increased by 2,237 (12.58%), 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, Allen County's population increased by 550 (2.75%), 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 Allen County's population from 2000 to 2022, with years on x-axis and population on y-axis
Allen County's population from 2000 to 2022. The estimated population at the end of 2022 was 21,275. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Allen County's population peaked in year 2019 at 21,320.

Between the year 2000 and 2022, Allen County's population was lowest in year 2000 at 17,786.

Allen County, KY annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Allen County grew year by year for 20 years and declined for 2 years.

From 2000 to 2022, Allen County had an average annual population growth rate of 0.89% per year. Overall the population grew 19.62% between 2000 and 2022.

The graph shows Allen County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Allen County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was 0.89% per year. In the last two years, the population grew by 702. Source: U.S. Census Bureau (Population Estimates Program)

From 2009 to 2010, Allen County's population grew the most with an increase of 957 (5.02%).

While from 2019 and 2020, Allen County's population declined the most with a negative growth of 747 (-3.50%).

Things to know

Is Allen County, KY population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Allen County's population increased by 702 between 2020 and 2022. The increase was 255 (1.24%) between 2020 and 2021; and increase of 447 (2.15%) between 2021 and 2022.

How has the population of Allen County, KY changed in the last 10 years?

Between 2012 and 2022, population of Allen County increased by 971 (4.78%). The population was highest at 21,320 in the year 2019 and lowest at 20,304 in the year 2013. Overall the average growth rate witnessed for the last 10 years was 0.52%.

References

Datasets

Explore datasets by year of publication.
2023
Allen County, KY 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 Allen 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 Allen 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 Allen County was 21,275, a 2.15% increase year-by-year from 2021. Previously, in 2021, Allen County population was 20,828, an increase of 1.24% compared to a population of 20,573 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Allen County increased by 3,489. In this period, the peak population was 21,320 in the year 2019. 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).

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