New Castle
County in Delaware
County
The population development of New Castle.
| Name | Status | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2023-07-01 | |
|---|---|---|---|---|---|---|---|
| New Castle | County | 441,946 | 500,265 | 538,479 | 570,713 | 578,592 | → |
| Delaware | State | 666,168 | 783,600 | 897,934 | 989,946 | 1,031,890 |
Contents: Incorporated Places
The population development of the incorporated places in New Castle.
icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).| Name | Status | County | Population Census 1990-04-01 | Population Census 2000-04-01 | Population Census 2010-04-01 | Population Census 2020-04-01 | Population Estimate 2023-07-01 | |
|---|---|---|---|---|---|---|---|---|
| Arden | Village | New Castle | 479 | 476 | 427 | 430 | 433 | → |
| Ardencroft | Village | New Castle | 280 | 235 | 211 | 227 | 229 | → |
| Ardentown | Village | New Castle | 327 | 297 | 271 | 253 | 254 | → |
| Bellefonte | Town | New Castle | 1,271 | 1,260 | 1,193 | 1,226 | 1,233 | → |
| Clayton | Town | Kent / New Castle | 1,244 | 1,509 | 2,935 | 3,961 | 4,399 | → |
| Delaware City | City | New Castle | 1,710 | 1,458 | 1,780 | 1,884 | 1,905 | → |
| Elsmere | Town | New Castle | 5,906 | 5,903 | 5,975 | 6,234 | 6,157 | → |
| Middletown | Town | New Castle | 4,245 | 6,737 | 18,871 | 23,196 | 25,022 | → |
| New Castle | City | New Castle | 5,698 | 4,952 | 5,117 | 5,549 | 5,549 | → |
| Newark | City | New Castle | 25,153 | 29,360 | 31,776 | 30,619 | 30,169 | → |
| Newport | Town | New Castle | 1,252 | 1,033 | 907 | 909 | 896 | → |
| Odessa | Town | New Castle | 305 | 307 | 359 | 369 | 364 | → |
| Smyrna | Town | Kent / New Castle | 6,473 | 6,695 | 10,047 | 12,880 | 13,277 | → |
| Townsend | Town | New Castle | 389 | 357 | 2,041 | 2,719 | 2,832 | → |
| Wilmington | City | New Castle | 71,493 | 72,561 | 70,941 | 70,892 | 71,675 | → |
Source: U.S. Census Bureau.
Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.