Population.us > Counties > Oregon > Columbia County

Population of Columbia County

Last official estimated population of Columbia County was 49,340 (year 2014)[1]. This was 0.015% of total US population and 1.2% of total Oregon state population. Area of Columbia County is 688.3 mi² (=1782.8 km²), in this year population density was 71.68 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Columbia County population in 2026 would be 49,307 [0].

Historical population

Historical population of Columbia County for period 1860-2014 [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

[1860-1870] +4.96 %/yr
[1870-1880] +8.99 %/yr
[1880-1890] +9.78 %/yr
[1890-1900] +1.85 %/yr
[1900-1910] +5.43 %/yr
[1910-1920] +2.81 %/yr
[1920-1930] +3.69 %/yr
[1930-1940] +0.45 %/yr
[1940-1950] +0.91 %/yr
[1950-1960] -0.26 %/yr
[1960-1970] +2.55 %/yr
[1970-1980] +2.16 %/yr
[1980-1990] +0.52 %/yr
[1990-2000] +1.49 %/yr
[2000-2005] +1.52 %/yr
[2005-2010] +1 %/yr
[2010-2014] -0.01 %/yr

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

Demography

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

Age Gr. (M) (F) Total
0 to 4 1286 1253 2,539
5 to 9 1537 1422 2,959
10 to 14 1734 1656 3,390
15 to 19 1710 1539 3,249
20 to 24 1319 1292 2,611
25 to 29 1241 1290 2,531
30 to 34 1366 1403 2,769
35 to 39 1395 1521 2,916
40 to 44 1561 1585 3,146
45 to 49 1687 1616 3,303
50 to 54 1900 1934 3,834
55 to 59 1998 2015 4,013
60 to 64 1852 1871 3,723
65 to 69 1526 1597 3,123
70 to 74 1127 1080 2,207
75 to 79 664 693 1,357
80 to 84 387 519 906
85+ 311 572 883

Columbia 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 23840 23864 47,704
NH 23471 23694 47,165
WA 23007 23039 46,046
NHWAC 22796 22795 45,591
NHWA 22091 22076 44,167
H 1130 1164 2,294
HWAC 1044 1069 2,113
HWA 916 963 1,879
TOM 873 889 1,762
IAC 837 862 1,699
NHTOM 736 779 1,515
NHIAC 701 742 1,443
AAC 412 615 1,027
NHAAC 382 570 952
IA 347 366 713
BAC 316 308 624
NHIA 302 311 613
NHBAC 267 275 542
AA 154 363 517
NHAA 143 338 481
BA 160 138 298
NHBA 147 128 275
NAC 125 136 261
HIAC 136 120 256
HTOM 137 110 247
NHNAC 108 125 233
NA 60 63 123
NHNA 52 62 114
HIA 45 55 100
HBAC 49 33 82
HAAC 30 45 75
HAA 11 25 36
HNAC 17 11 28
HBA 13 10 23
HNA 8 1 9

Counties near Columbia County

• Multnomah County population 42 mi, 130°
• Washington County 26.8 mi, 181°
• Clark County 31 mi, 112°
• Cowlitz County 26.3 mi, 50°
• Yamhill County 49.3 mi, 193°
• Clatsop County 30.5 mi, 280°
• Tillamook County 46.9 mi, 224°
• Pacific County 54.1 mi, 321°
• Skamania County 54.4 mi, 83°
• Wahkiakum County 29.4 mi, 325°

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

*Washington, Clatsop Oregon Notes

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