Population.us > Counties > Oregon > Marion County

Population of Marion County

Last official estimated population of Marion County was 315,910 (year 2014)[1]. This was 0.099% of total US population and 7.8% of total Oregon state population. Area of Marion County is 1,191.3 mi² (=3085.4 km²), in this year population density was 265.18 p/mi². If population growth rate would be same as in period 2010-2014 (+0.05%/yr), Marion County population in 2022 would be 317,063 [0].


Historical population

Historical population of Marion 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] +9.93 %/yr
[1860-1870] +3.47 %/yr
[1870-1880] +3.88 %/yr
[1880-1890] +4.64 %/yr
[1890-1900] +1.91 %/yr
[1900-1910] +3.68 %/yr
[1910-1920] +1.72 %/yr
[1920-1930] +2.52 %/yr
[1930-1940] +2.2 %/yr
[1940-1950] +3.03 %/yr
[1950-1960] +1.77 %/yr
[1960-1970] +2.27 %/yr
[1970-1980] +3.07 %/yr
[1980-1990] +1.11 %/yr
[1990-2000] +2.23 %/yr
[2000-2005] +1.01 %/yr
[2005-2010] +1.04 %/yr
[2010-2014] +0.05 %/yr

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Demography

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

Age Gr. (M) (F) Total
0 to 4 11521 10723 22,244
5 to 9 12189 11626 23,815
10 to 14 11641 11263 22,904
15 to 19 11909 11056 22,965
20 to 24 11576 11042 22,618
25 to 29 11235 10661 21,896
30 to 34 11340 10803 22,143
35 to 39 10571 10004 20,575
40 to 44 10410 9816 20,226
45 to 49 9907 9453 19,360
50 to 54 10306 10388 20,694
55 to 59 9998 10598 20,596
60 to 64 9065 10040 19,105
65 to 69 7545 8262 15,807
70 to 74 5151 6103 11,254
75 to 79 3554 4244 7,798
80 to 84 2379 3267 5,646
85+ 2289 4175 6,464

Marion 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 150362 151793 302,155
WA 145349 146728 292,077
NH 118853 123490 242,343
NHWAC 110480 115266 225,746
NHWA 106784 111383 218,167
H 43733 40034 83,767
HWAC 39882 36527 76,409
HWA 38565 35345 73,910
IAC 6865 6695 13,560
AAC 5031 5669 10,700
TOM 5303 5342 10,645
NHAAC 4331 5030 9,361
IA 4300 4023 8,323
NHTOM 3891 4073 7,964
BAC 4192 3206 7,398
AA 3366 4013 7,379
NHIAC 3384 3579 6,963
NHAA 2997 3684 6,681
HIAC 3481 3116 6,597
NHBAC 3166 2231 5,397
HIA 2602 2318 4,920
BA 2808 1877 4,685
NAC 2057 2115 4,172
NHNAC 1797 1879 3,676
NHIA 1698 1705 3,403
NHBA 2140 1229 3,369
NA 1460 1541 3,001
NHNA 1343 1416 2,759
HTOM 1412 1269 2,681
HBAC 1026 975 2,001
HAAC 700 639 1,339
HBA 668 648 1,316
HAA 369 329 698
HNAC 260 236 496
HNA 117 125 242

Counties near Marion County

Multnomah County population 45.4 mi,
Washington County 51.7 mi, 330°
Clark County 60.3 mi,
Clackamas County 25.8 mi, 46°
Linn County 28.5 mi, 176°
Yamhill County 43.3 mi, 303°
Benton County 50.3 mi, 235°
Polk County 40.2 mi, 269°
Lincoln County 67.9 mi, 254°
Hood River County 61.5 mi, 46°


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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