This is less than a one percent rise in New Castle County’s population, from 570,718 in 2020 to 571,708 in 2021.
New Castle County had the largest population in Delaware in 2021.
The US Census Bureau found more than 73 percent of counties in the US saw a natural decrease in population in 2021. This is up from a 55.5 percent increase in 2020.
The Midwest suffered the most sustained population decreases, with many counties along the US East Coast and through the Rocky Mountains seeing increases.
The US population continues to grow, though at a slower rate than before.
Delaware Counties By Population Change from 2020 to 2021
| County | 2020 Estimated Population | 2021 Estimated Population | % Change in Population From Year to Year |
|---|---|---|---|
| Sussex County | 238,912 | 247,527 | 3.6% |
| Kent County | 182,256 | 184,149 | 1% |
| New Castle County | 570,718 | 571,708 | 0.2% |
ORGANIZATIONS IN THIS STORY
Bear• Edgemoor• Greenville• Town of Middletown• Town of Newport• Pike Creek Valley• Town of Townsend• Town of Odessa• City of Delaware• City of Newark• Hockessin• North Star• Town of Bellefonte• Pike Creek• Town of Elsmere• Village of Arden• City of New Castle• Wilmington Manor• Brookside• Claymont• Glasgow• Ardentown• Village Of Ardencroft• City Of Wilmington
!RECEIVE ALERTS
The next time we write about any of these orgs, we’ll email you a link to the story. You may edit your settings or unsubscribe at any time.
Alerts Sign-up