LaSalle County, IL Population by Year

In 2023, the population of LaSalle County was 108,309, a 0.12% increase year-by-year from 2022. Previously, in 2022, LaSalle County's population was 108,181, a decline of 0.90% compared to a population of 109,160 in 2021.
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Updated Aug 1, 2024

LaSalle County, IL population between 2000 and 2023

Over the last 20 plus years, between 2000 and 2023, population of LaSalle County decreased by 3,259. In this period, the peak population was 113,812 in the year 2010. 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 111,568 - -
2001 112,027 459 0.41%
2002 111,583 -444 -0.40%
2003 110,589 -994 -0.89%
2004 111,529 940 0.85%
2005 111,793 264 0.24%
2006 112,192 399 0.36%
2007 112,634 442 0.39%
2008 112,815 181 0.16%
2009 112,446 -369 -0.33%
2010 113,812 1,366 1.21%
2011 113,527 -285 -0.25%
2012 112,913 -614 -0.54%
2013 112,419 -494 -0.44%
2014 111,650 -769 -0.68%
2015 111,015 -635 -0.57%
2016 110,176 -839 -0.76%
2017 109,590 -586 -0.53%
2018 109,136 -454 -0.41%
2019 108,517 -619 -0.57%
2020 109,410 893 0.82%
2021 109,160 -250 -0.23%
2022 108,181 -979 -0.90%
2023 108,309 128 0.12%
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LaSalle County, IL population from 2000 to 2023

From 2000 to 2010, LaSalle County's population increased by 2,244 (2.01%), 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, LaSalle County's population decreased by 4,402 (3.87%), according to Census Bureau's Population Estimates Program. For the same period, the rate of growth for the United States was 7.18% .

After the COVID19 pandemic and, between the year 2020 and 2023, LaSalle County's population decreased by 1,101 (1.01%).For the same period, the rate of growth for the United States was 1.02%.

FIGURE 1

LaSalle County's population from 2000 to 2023.

The estimated population at the end of 2023 was 108,309.

Source: U.S. Census Bureau (Population Estimates Program).

Between the year 2000 and 2023, LaSalle County's population peaked in year 2010 at 113,812.

Between the year 2000 and 2023, LaSalle County's population was lowest in year 2022 at 108,181.

LaSalle County, IL annual population growth rate

Between the years 2000 and 2023, i.e. 23 annual cycles, the population of LaSalle County grew year by year for 9 years and declined for 14 years.

From 2000 to 2023, LaSalle County had an average annual population growth rate of 0.13% per year. Overall the population shrank 2.92% between 2000 and 2023.

FIGURE 2

LaSalle County annual population growth rate

The average annual growth rate from 2000 to 2023 was 0.13% per year.

Source: U.S. Census Bureau (Population Estimates Program).

From 2009 to 2010 LaSalle County population grew the most, with an increase of 1,366 people (a 1.21% year-on-year increase)..

From 2002 to 2003 LaSalle County population experienced the most significant decrease, with a decline of 994 people (a 0.89% year-on-year decline).

Things to know

Is LaSalle County, IL population increasing or decreasing?

According to the latest data from U.S. Census Bureau's population estimates, LaSalle County's population decreased by 851 between 2021 and 2023. The decrease was 979 (decreased) between 2021 and 2022; and increase of 128 (0.12%) between 2022 and 2023.

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

Between 2013 and 2023, population of LaSalle County decreased by 4,110 (3.66%). The population was highest at 111,650 in the year 2014 and lowest at 108,181 in the year 2022. Overall the average growth rate witnessed for the last 10 years was -0.37%.

References

Datasets

Explore datasets by year of publication.
2024
LaSalle County, IL Annual Population and Growth Analysis Dataset: A Comprehensive Overview of Population Changes and Yearly Growth Rates in LaSalle County from 2000 to 2023 // 2024 Edition
Last updated July 30, 2024
ACS
Free
Neilsberg
CSV, JSON
2018-2022
CC BY 4.0
About this dataset

Context

The dataset tabulates the LaSalle 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 LaSalle 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 2023, the population of LaSalle County was 108,309, a 0.12% increase year-by-year from 2022. Previously, in 2022, LaSalle County population was 108,181, a decline of 0.90% compared to a population of 109,160 in 2021. Over the last 20 plus years, between 2000 and 2023, population of LaSalle County decreased by 3,259. In this period, the peak population was 113,812 in the year 2010. 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).

Content

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

Data Coverage:

  • From 2000 to 2023

Variables / Data Columns

  • Year: This column displays the data year (Measured annually and for years 2000 to 2023)
  • Population: The population for the specific year for the LaSalle County is shown in this column.
  • Year on Year Change: This column displays the change in LaSalle 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 LaSalle 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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