Population.us > Counties > Virginia > Loudoun County

Population of Loudoun County

Last official estimated population of Loudoun County was 315,505 (year 2014)[1]. This was 0.099% of total US population and 3.8% of total Virginia state population. Area of Loudoun County is 521.3 mi² (=1350.3 km²), in this year population density was 605.19 p/mi². If population growth rate would be same as in period 2010-2014 (+0.25%/yr), Loudoun County population in 2021 would be 321,173 [0].


Historical population

Historical population of Loudoun 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] +0.79 %/yr
[1800-1810] +0.39 %/yr
[1810-1820] +0.62 %/yr
[1820-1830] -0.34 %/yr
[1830-1840] -0.71 %/yr
[1840-1850] +0.78 %/yr
[1850-1860] -0.14 %/yr
[1860-1870] -0.4 %/yr
[1870-1880] +1.22 %/yr
[1880-1890] -0.15 %/yr
[1890-1900] -0.58 %/yr
[1900-1910] -0.36 %/yr
[1910-1920] -0.28 %/yr
[1920-1930] -0.36 %/yr
[1930-1940] +0.22 %/yr
[1940-1950] +0.41 %/yr
[1950-1960] +1.5 %/yr
[1960-1970] +4.23 %/yr
[1970-1980] +4.45 %/yr
[1980-1990] +4.14 %/yr
[1990-2000] +7 %/yr
[2000-2005] +8.49 %/yr
[2005-2010] +4.15 %/yr
[2010-2014] +0.25 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 14507 13403 27,910
5 to 9 16141 15475 31,616
10 to 14 15536 15334 30,870
15 to 19 12302 11856 24,158
20 to 24 8858 8462 17,320
25 to 29 9556 9756 19,312
30 to 34 13311 14513 27,824
35 to 39 15044 16086 31,130
40 to 44 16722 16411 33,133
45 to 49 15046 15175 30,221
50 to 54 13738 13250 26,988
55 to 59 9973 9910 19,883
60 to 64 6886 7210 14,096
65 to 69 4949 5478 10,427
70 to 74 3194 3944 7,138
75 to 79 1982 2534 4,516
80 to 84 1360 1939 3,299
85+ 1117 2092 3,209

Loudoun 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 155443 158784 314,227
WAC 134151 134589 268,740
WA 128206 128584 256,790
NHWAC 111409 112504 223,913
NHWA 106132 107201 213,333
AAC 34412 36044 70,456
NHAAC 33825 35382 69,207
AA 30601 32303 62,904
NHAA 30294 31932 62,226
H 24779 24044 48,823
HWAC 22742 22085 44,827
HWA 22074 21383 43,457
BAC 16248 16846 33,094
NHBAC 14905 15579 30,484
BA 13928 14350 28,278
NHBA 12940 13466 26,406
TOM 6378 6485 12,863
NHTOM 5643 5701 11,344
IAC 1891 1911 3,802
HBAC 1343 1267 2,610
NHIAC 1066 1117 2,183
HBA 988 884 1,872
IA 907 848 1,755
HIAC 825 794 1,619
HTOM 735 784 1,519
HAAC 587 662 1,249
HIA 585 523 1,108
NAC 454 506 960
NHNAC 322 356 678
HAA 307 371 678
NHIA 322 325 647
NA 202 258 460
HNAC 132 150 282
NHNA 112 159 271
HNA 90 99 189

Counties near Loudoun County

Fairfax County population 26.2 mi, 131°
Montgomery County 23.7 mi, 80°
Prince William County 27.6 mi, 161°
Fauquier County 25.3 mi, 202°
Jefferson County 19.7 mi, 322°
Manassas city 24.5 mi, 160°
Fairfax city 24.1 mi, 130°
Manassas Park city 23.9 mi, 154°
Clarke County 19 mi, 277°
Falls Church city 28.3 mi, 118°


Sources, notices

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

[1] County population - 2014, archived from the original, retrieved 02/23/2016

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

[2] County population - 2000-2010, archived from the original, 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

Virginia Notes

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