Washington County population

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 2023 would be 535,042 ^[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.

Population • Density • Changes • Legends • Position

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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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Looking for settlements in Washington County? Visit this page: Settlements in Washington County, OR

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, 1°
• Clatsop County 43.8 mi, 318°
• Tillamook County 32.7 mi, 258°