Population.us > Counties > Oregon > Washington County

Population of Washington County

Last official estimated population of Washington County was 531,345 (year 2014)[1]. This was 0.167% of total US population and 13.2% of total Oregon state population. Area of Washington County is 726.7 mi² (=1882.1 km²), in this year population density was 731.20 p/mi². If population growth rate would be same as in period 2010-2014 (+0.08%/yr), Washington County population in 2022 would be 534,630 [0].


Historical population

Historical population of Washington County for period 1850-2014 [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

[1850-1860] +0.55 %/yr
[1860-1870] +4.28 %/yr
[1870-1880] +5.21 %/yr
[1880-1890] +5.39 %/yr
[1890-1900] +1.91 %/yr
[1900-1910] +4.05 %/yr
[1910-1920] +2.05 %/yr
[1920-1930] +1.39 %/yr
[1930-1940] +2.62 %/yr
[1940-1950] +4.57 %/yr
[1950-1960] +4.18 %/yr
[1960-1970] +5.52 %/yr
[1970-1980] +4.52 %/yr
[1980-1990] +2.4 %/yr
[1990-2000] +3.64 %/yr
[2000-2005] +1.97 %/yr
[2005-2010] +1.54 %/yr
[2010-2014] +0.08 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 18873 18101 36,974
5 to 9 19749 18926 38,675
10 to 14 19829 18866 38,695
15 to 19 18111 17030 35,141
20 to 24 17076 17200 34,276
25 to 29 20451 20372 40,823
30 to 34 22476 22325 44,801
35 to 39 21261 21188 42,449
40 to 44 21251 20914 42,165
45 to 49 19456 19181 38,637
50 to 54 18664 19134 37,798
55 to 59 17271 18170 35,441
60 to 64 14244 16114 30,358
65 to 69 10973 12872 23,845
70 to 74 7080 8608 15,688
75 to 79 4434 5887 10,321
80 to 84 3043 4353 7,396
85+ 3182 6333 9,515

Washington 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
WAC 238728 245417 484,145
NH 230592 240735 471,327
WA 228133 234652 462,785
NHWAC 195609 204189 399,798
NHWA 186695 195173 381,868
H 46832 44839 91,671
HWAC 43119 41228 84,347
HWA 41438 39479 80,917
AAC 32616 35356 67,972
NHAAC 31266 34007 65,273
AA 26532 29189 55,721
NHAA 25922 28605 54,527
TOM 11284 11501 22,785
NHTOM 9505 9635 19,140
BAC 9589 8351 17,940
NHBAC 8187 6886 15,073
IAC 6248 6422 12,670
BA 6748 5550 12,298
NHBA 5849 4607 10,456
NHIAC 3569 3797 7,366
IA 3251 3223 6,474
NAC 2909 3021 5,930
HIAC 2679 2625 5,304
NHNAC 2479 2600 5,079
HIA 1894 1781 3,675
HTOM 1779 1866 3,645
NA 1476 1459 2,935
HBAC 1402 1465 2,867
NHIA 1357 1442 2,799
HAAC 1350 1349 2,699
NHNA 1264 1273 2,537
HBA 899 943 1,842
HAA 610 584 1,194
HNAC 430 421 851
HNA 212 186 398

Counties near Washington County

Multnomah County population 32.9 mi, 90°
Clark County 33.2 mi, 62°
Clackamas County 51.5 mi, 121°
Marion County 51.7 mi, 150°
Cowlitz County 48.5 mi, 25°
Yamhill County 23.6 mi, 206°
Polk County 47.4 mi, 197°
Columbia County 26.8 mi,
Clatsop County 43.8 mi, 318°
Tillamook County 32.7 mi, 258°


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

Oregon Notes

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