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New Castle

County in Delaware (USA)

Contents: Population

The population development of New Castle as well as related information and services (Wikipedia, Google, images).

New CastleCounty441,946500,265538,479570,719571,708
USA [United States of America]Federal Republic248,709,873281,421,906308,745,538331,449,281331,893,745

Source: U.S. Census Bureau (web).

Explanation: All population totals refer to 2020 boundaries. The 2021 gender and age figures are not fully based on results of the 2020 census.


Further information about the population structure:

Gender (E 2021)
Males278,276
Females293,432
Age Groups (E 2021)
0-17 years121,570
18-64 years355,167
65+ years94,971
Age Distribution (E 2021)
0-9 years64,214
10-19 years74,011
20-29 years72,576
30-39 years80,889
40-49 years69,112
50-59 years77,691
60-69 years70,112
70-79 years42,498
80+ years20,605
»Race« (C 2020)
White314,231
Black/African American146,544
Indigenous2,156
Asian35,200
Pacific Islander175
Some other28,714
2 or more43,699
Ethnicity (C 2020)
Hispanic or Latino63,516
Other507,203

See also:

Located in:


USA: Counties