New Castle County, DE population between 2000 and 2023
Over the last 20 plus years, between 2000 and 2023, population of New Castle County increased by 76,654. In this period, the peak population was 578,592 in the year 2023. 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 | 501,938 | - | - |
| 2001 | 506,310 | 4,372 | 0.87% |
| 2002 | 510,590 | 4,280 | 0.85% |
| 2003 | 515,312 | 4,722 | 0.92% |
| 2004 | 519,584 | 4,272 | 0.83% |
| 2005 | 524,043 | 4,459 | 0.86% |
| 2006 | 527,841 | 3,798 | 0.72% |
| 2007 | 531,256 | 3,415 | 0.65% |
| 2008 | 534,640 | 3,384 | 0.64% |
| 2009 | 537,521 | 2,881 | 0.54% |
| 2010 | 538,792 | 1,271 | 0.24% |
| 2011 | 542,031 | 3,239 | 0.60% |
| 2012 | 545,053 | 3,022 | 0.56% |
| 2013 | 548,614 | 3,561 | 0.65% |
| 2014 | 551,124 | 2,510 | 0.46% |
| 2015 | 553,929 | 2,805 | 0.51% |
| 2016 | 555,582 | 1,653 | 0.30% |
| 2017 | 556,491 | 909 | 0.16% |
| 2018 | 557,983 | 1,492 | 0.27% |
| 2019 | 559,941 | 1,958 | 0.35% |
| 2020 | 570,918 | 10,977 | 1.96% |
| 2021 | 572,029 | 1,111 | 0.19% |
| 2022 | 575,254 | 3,225 | 0.56% |
| 2023 | 578,592 | 3,338 | 0.58% |
TABLE OF CONTENTS
New Castle County, DE population from 2000 to 2023
From 2000 to 2010, New Castle County's population increased by 36,854 (7.34%), 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, New Castle County's population increased by 32,126 (5.96%), 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, New Castle County's population increased by 7,674 (1.34%).For the same period, the rate of growth for the United States was 1.02%.
FIGURE 1
New Castle County's population from 2000 to 2023.
The estimated population at the end of 2023 was 578,592.
Between the year 2000 and 2023, New Castle County's population peaked in year 2023 at 578,592.
Between the year 2000 and 2023, New Castle County's population was lowest in year 2000 at 501,938.
New Castle County, DE annual population growth rate
Between the years 2000 and 2023, i.e. 23 annual cycles, the population of New Castle County grew year by year for 23 years and declined for 0 years.
From 2000 to 2023, New Castle County had an average annual population growth rate of 0.66% per year. Overall the population grew 15.27% between 2000 and 2023.
FIGURE 2
New Castle County annual population growth rate
The average annual growth rate from 2000 to 2023 was 0.66% per year.
From 2019 to 2020 New Castle County population grew the most, with an increase of 10,977 people (a 1.96% year-on-year increase)..
Between the years2000 and 2023, New Castle County did not experience a population decline during any annual cycle.
Things to know
Is New Castle County, DE population increasing or decreasing?
According to the latest data from U.S. Census Bureau's population estimates, New Castle County's population increased by 6,563 between 2021 and 2023. The increase was 3,225 (increased) between 2021 and 2022; and increase of 3,338 (0.58%) between 2022 and 2023.
How has the population of New Castle County, DE changed in the last 10 years?
Between 2013 and 2023, population of New Castle County increased by 29,978 (5.46%). The population was highest at 578,592 in the year 2023 and lowest at 551,124 in the year 2014. Overall the average growth rate witnessed for the last 10 years was 0.53%.
References
- US Census Bureau Population Estimates Population Estimates Program (PEP)