Population.us > Counties > Delaware > New Castle County

Population of New Castle County

Last official estimated population of New Castle County was 538,873 (year 2014)[1]. This was 0.169% of total US population and 57% of total Delaware state population. Area of New Castle County is 494.0 mi² (=1279.5 km²), in this year population density was 1,090.83 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), New Castle County population in 2018 would be 539,267 [0].


Historical population

Historical population of New Castle County for period 1790-2014 [1] , [2] , [3]:

Maps: Population, population density, population changes

Estimated population for 2014[1]. Population density is in p./sq.mi [4]. Changes are for period 2010-2015. Value is %/year. Boundary lines are approx. 2012 [5]. Click on flag to hide it.

PopulationDensityChangesLegendsPosition

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Annual growth rate

[1790-1800] +2.56 %/yr
[1800-1810] -0.37 %/yr
[1810-1820] +1.34 %/yr
[1820-1830] +0.63 %/yr
[1830-1840] +1.09 %/yr
[1840-1850] +2.59 %/yr
[1850-1860] +2.51 %/yr
[1860-1870] +1.49 %/yr
[1870-1880] +2.04 %/yr
[1880-1890] +2.26 %/yr
[1890-1900] +1.22 %/yr
[1900-1910] +1.17 %/yr
[1910-1920] +1.87 %/yr
[1920-1930] +0.83 %/yr
[1930-1940] +1.1 %/yr
[1940-1950] +2 %/yr
[1950-1960] +3.46 %/yr
[1960-1970] +2.3 %/yr
[1970-1980] +0.31 %/yr
[1980-1990] +1.05 %/yr
[1990-2000] +1.25 %/yr
[2000-2005] +0.9 %/yr
[2005-2010] +0.57 %/yr
[2010-2014] +0.02 %/yr

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Demography

Population of New Castle County by age groups male (M) and female (F)[1b]

Age Gr. (M) (F) Total
0 to 4 16883 16597 33,480
5 to 9 16820 16625 33,445
10 to 14 17643 16936 34,579
15 to 19 19063 18863 37,926
20 to 24 20023 19600 39,623
25 to 29 20379 20888 41,267
30 to 34 18505 18866 37,371
35 to 39 16545 17146 33,691
40 to 44 17475 18123 35,598
45 to 49 18223 19928 38,151
50 to 54 19702 21377 41,079
55 to 59 18648 20179 38,827
60 to 64 14794 16904 31,698
65 to 69 11771 13579 25,350
70 to 74 8020 9995 18,015
75 to 79 5539 7185 12,724
80 to 84 3942 5701 9,643
85+ 3567 6744 10,311

New Castle County resident population estimates by Sex, Race, and Hispanic Origin[1b]. For full list of abbrevations see: population.us/about page.

Race Male Female Total
NH 241072 259859 500,931
WAC 186618 195089 381,707
WA 181385 189406 370,791
NHWAC 164125 174170 338,295
NHWA 159578 169304 328,882
BAC 68824 77664 146,488
NHBAC 65310 73570 138,880
BA 64748 73068 137,816
NHBA 61806 69706 131,512
H 26470 25377 51,847
HWAC 22493 20919 43,412
HWA 21807 20102 41,909
AAC 15630 16458 32,088
NHAAC 15356 16119 31,475
AA 13958 14660 28,618
NHAA 13820 14476 28,296
TOM 6100 6781 12,881
NHTOM 5294 5797 11,091
HBAC 3514 4094 7,608
HBA 2942 3362 6,304
IAC 2674 2961 5,635
NHIAC 1721 1987 3,708
IA 1164 1130 2,294
HIAC 953 974 1,927
HTOM 806 984 1,790
HIA 661 627 1,288
NHIA 503 503 1,006
NAC 338 402 740
HAAC 274 339 613
NHNAC 188 231 419
NA 187 191 378
HAA 138 184 322
HNAC 150 171 321
HNA 116 118 234
NHNA 71 73 144

Counties near New Castle County

Delaware County population 26.9 mi, 28°
Camden County 39.5 mi, 66°
Chester County 28.1 mi, 348°
Gloucester County 28.4 mi, 69°
Harford County 35 mi, 265°
Kent County 33.9 mi, 167°
Cumberland County 32.7 mi, 121°
Cecil County 15.9 mi, 266°
Salem County 15.3 mi, 90°
Kent County 34.6 mi, 228°


Sources, notices

[0] Calculated by population.us from last known population growth rate, not official data.

[1] County population - 2014, retrieved 02/23/2016

[1b] Annual County Resident Population Estimates by Age, Sex, Race, and Hispanic Origin, (used only data for 2014) retrieved 02/23/2016

[2] County population - 2000-2010, retrieved 02/23/2016

[3] Population of States and Counties of the United States: 1790 to 1992, PDF, 15 Mb, census.gov, retrieved 02/23/2016

[4] County area, latitude longitude data, retrieved 02/23/2016

[5] County boundaries, CSV files on boundaries.us, retrived 03/18/2016

Delaware Notes

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