Shelby County, IA Population by Year

In 2022, the population of Shelby County was 11,645, a 1.09% decrease year-by-year from 2021. Previously, in 2021, Shelby County's population was 11,773, an increase of 0.43% compared to a population of 11,723 in 2020.
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Updated Sep 18, 2023

Shelby County, IA population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Shelby County decreased by 1,361. In this period, the peak population was 13,006 in the year 2000. 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 13,006 - -
2001 12,945 -61 -0.47%
2002 12,804 -141 -1.09%
2003 12,731 -73 -0.57%
2004 12,642 -89 -0.7%
2005 12,417 -225 -1.78%
2006 12,327 -90 -0.72%
2007 12,321 -6 -0.05%
2008 12,140 -181 -1.47%
2009 11,947 -193 -1.59%
2010 12,179 232 1.94%
2011 11,997 -182 -1.49%
2012 12,032 35 0.29%
2013 11,905 -127 -1.06%
2014 11,886 -19 -0.16%
2015 11,799 -87 -0.73%
2016 11,662 -137 -1.16%
2017 11,584 -78 -0.67%
2018 11,564 -20 -0.17%
2019 11,479 -85 -0.74%
2020 11,723 244 2.13%
2021 11,773 50 0.43%
2022 11,645 -128 -1.09%
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Shelby County, IA population from 2000 to 2022

From 2000 to 2010, Shelby County's population decreased by 827 (6.36%), 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, Shelby County's population decreased by 456 (3.74%), 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 Shelby County's population from 2000 to 2022, with years on x-axis and population on y-axis
Shelby County's population from 2000 to 2022. The estimated population at the end of 2022 was 11,645. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Shelby County's population peaked in year 2000 at 13,006.

Between the year 2000 and 2022, Shelby County's population was lowest in year 2019 at 11,479.

Shelby County, IA annual population growth rate

Between the years 2000 and 2022, i.e. 22 annual cycles, the population of Shelby County grew year by year for 4 years and declined for 18 years.

From 2000 to 2022, Shelby County had an average annual population growth rate of -0.48% per year. Overall the population shrank 10.46% between 2000 and 2022.

The graph shows Shelby County's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Shelby County's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was -0.48% per year. In the last two years, the population declined by 78. Source: U.S. Census Bureau (Population Estimates Program)

From 2019 to 2020, Shelby County's population grew the most with an increase of 244 (2.13%).

While from 2004 and 2005, Shelby County's population declined the most with a negative growth of 225 (-1.78%).

Things to know

Is Shelby County, IA population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Shelby County's population decreased by 78 between 2020 and 2022. The increase was 50 (0.43%) between 2020 and 2021; and decrease of 128 (1.09%) between 2021 and 2022.

How has the population of Shelby County, IA changed in the last 10 years?

Between 2012 and 2022, population of Shelby County decreased by 260 (2.18%). The population was highest at 11,905 in the year 2013 and lowest at 11,479 in the year 2019. Overall the average growth rate witnessed for the last 10 years was -0.32%.

References

Datasets

Explore datasets by year of publication.
2023
Shelby County, IA 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 Shelby 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 Shelby 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 Shelby County was 11,645, a 1.09% decrease year-by-year from 2021. Previously, in 2021, Shelby County population was 11,773, an increase of 0.43% compared to a population of 11,723 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Shelby County decreased by 1,361. In this period, the peak population was 13,006 in the year 2000. 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).

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