Oswego, IL Population by Year

In 2022, the population of Oswego was 35,850, a 1.47% increase year-by-year from 2021. Previously, in 2021, Oswego's population was 35,332, an increase of 1.77% compared to a population of 34,719 in 2020.
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Updated Sep 18, 2023

Oswego, IL population between 2000 and 2022

Over the last 20 plus years, between 2000 and 2022, population of Oswego increased by 22,151. In this period, the peak population was 36,233 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 13,699 - -
2001 15,208 1,509 11.02%
2002 16,817 1,609 10.58%
2003 18,460 1,643 9.77%
2004 20,723 2,263 12.26%
2005 22,943 2,220 10.71%
2006 25,741 2,798 12.2%
2007 28,449 2,708 10.52%
2008 30,591 2,142 7.53%
2009 31,580 989 3.23%
2010 30,659 -921 -2.92%
2011 31,235 576 1.88%
2012 31,811 576 1.84%
2013 32,344 533 1.68%
2014 33,242 898 2.78%
2015 33,962 720 2.17%
2016 34,469 507 1.49%
2017 34,844 375 1.09%
2018 35,170 326 0.94%
2019 36,233 1,063 3.02%
2020 34,719 -1,514 -4.18%
2021 35,332 613 1.77%
2022 35,850 518 1.47%
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Oswego, IL population from 2000 to 2022

From 2000 to 2010, Oswego's population increased by 16,960 (123.80%), 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, Oswego's population increased by 4,060 (13.24%), 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 Oswego's population from 2000 to 2022, with years on x-axis and population on y-axis
Oswego's population from 2000 to 2022. The estimated population at the end of 2022 was 35,850. Source: U.S. Census Bureau (Population Estimates Program)

Between the year 2000 and 2022, Oswego's population peaked in year 2019 at 36,233.

Between the year 2000 and 2022, Oswego's population was lowest in year 2000 at 13,699.

Oswego, IL annual population growth rate

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

From 2000 to 2022, Oswego had an average annual population growth rate of 7.35% per year. Overall the population grew 161.70% between 2000 and 2022.

The graph shows Oswego's annual population change from 2000 to 2022, with years on x-axis and population annual growth on y-axis
Oswego's annual population change from 2000 to 2022. The average annual growth rate from 2000 to 2022 was 7.35% per year. In the last two years, the population grew by 1,131. Source: U.S. Census Bureau (Population Estimates Program)

From 2005 to 2006, Oswego's population grew the most with an increase of 2,798 (12.20%).

While from 2019 and 2020, Oswego's population declined the most with a negative growth of 1,514 (-4.18%).

Things to know

Is Oswego, IL population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, Oswego's population increased by 1,131 between 2020 and 2022. The increase was 613 (1.77%) between 2020 and 2021; and increase of 518 (1.47%) between 2021 and 2022.

How has the population of Oswego, IL changed in the last 10 years?

Between 2012 and 2022, population of Oswego increased by 3,506 (10.84%). The population was highest at 36,233 in the year 2019 and lowest at 32,344 in the year 2013. Overall the average growth rate witnessed for the last 10 years was 1.22%.

References

Datasets

Explore datasets by year of publication.
2023
Oswego, IL 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 Oswego 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 Oswego 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 Oswego was 35,850, a 1.47% increase year-by-year from 2021. Previously, in 2021, Oswego population was 35,332, an increase of 1.77% compared to a population of 34,719 in 2020. Over the last 20 plus years, between 2000 and 2022, population of Oswego increased by 22,151. In this period, the peak population was 36,233 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).

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

About the author

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Neilsberg Research
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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