Last official estimated population of Cowlitz County was 102,392 (year 2014)[1]. This was 0.032% of total US population and 1.4% of total Washington state population. Area of Cowlitz County is 1,166.2 mi² (=3020.5 km²), in this year population density was 87.80 p/mi². If population growth rate would be same as in period 2010-2014 (-0%/yr), Cowlitz County population in 2025 would be 102,343 [0].
Historical population of Cowlitz County for period 1860-2014 [1] , [2] , [3]:
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
[1860-1870] +6.04 %/yr
[1870-1880] +10.94 %/yr
[1880-1890] +11.12 %/yr
[1890-1900] +2.9 %/yr
[1900-1910] +4.78 %/yr
[1910-1920] -0.63 %/yr
[1920-1930] +10.47 %/yr
[1930-1940] +2.33 %/yr
[1940-1950] +2.89 %/yr
[1950-1960] +0.8 %/yr
[1960-1970] +1.73 %/yr
[1970-1980] +1.49 %/yr
[1980-1990] +0.32 %/yr
[1990-2000] +1.25 %/yr
[2000-2005] +0.76 %/yr
[2005-2010] +1.19 %/yr
[2010-2014] -0 %/yr
Looking for settlements in Cowlitz County? Visit this page: Settlements in Cowlitz County, WA
Population of Cowlitz County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 2988 | 2912 | 5,900 |
5 to 9 | 3290 | 3270 | 6,560 |
10 to 14 | 3370 | 3365 | 6,735 |
15 to 19 | 3368 | 3107 | 6,475 |
20 to 24 | 3021 | 3066 | 6,087 |
25 to 29 | 2938 | 2853 | 5,791 |
30 to 34 | 2920 | 2828 | 5,748 |
35 to 39 | 2893 | 2890 | 5,783 |
40 to 44 | 3055 | 3051 | 6,106 |
45 to 49 | 3172 | 3155 | 6,327 |
50 to 54 | 3719 | 3624 | 7,343 |
55 to 59 | 3825 | 3836 | 7,661 |
60 to 64 | 3466 | 3633 | 7,099 |
65 to 69 | 3145 | 3265 | 6,410 |
70 to 74 | 2275 | 2364 | 4,639 |
75 to 79 | 1426 | 1637 | 3,063 |
80 to 84 | 887 | 1165 | 2,052 |
85+ | 884 | 1470 | 2,354 |
Cowlitz 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 | 48129 | 48887 | 97,016 |
WA | 46522 | 47323 | 93,845 |
NH | 46116 | 47419 | 93,535 |
NHWAC | 44114 | 45254 | 89,368 |
NHWA | 42688 | 43868 | 86,556 |
H | 4526 | 4072 | 8,598 |
HWAC | 4015 | 3633 | 7,648 |
HWA | 3834 | 3455 | 7,289 |
IAC | 1959 | 1960 | 3,919 |
TOM | 1713 | 1671 | 3,384 |
NHIAC | 1499 | 1556 | 3,055 |
NHTOM | 1512 | 1472 | 2,984 |
AAC | 1150 | 1314 | 2,464 |
NHAAC | 1085 | 1242 | 2,327 |
IA | 999 | 990 | 1,989 |
BAC | 912 | 755 | 1,667 |
AA | 729 | 927 | 1,656 |
NHAA | 689 | 892 | 1,581 |
NHBAC | 764 | 637 | 1,401 |
NHIA | 677 | 718 | 1,395 |
BA | 525 | 399 | 924 |
HIAC | 460 | 404 | 864 |
NHBA | 426 | 324 | 750 |
NAC | 282 | 316 | 598 |
HIA | 322 | 272 | 594 |
NHNAC | 241 | 260 | 501 |
HTOM | 201 | 199 | 400 |
NA | 154 | 181 | 335 |
NHNA | 124 | 145 | 269 |
HBAC | 148 | 118 | 266 |
HBA | 99 | 75 | 174 |
HAAC | 65 | 72 | 137 |
HNAC | 41 | 56 | 97 |
HAA | 40 | 35 | 75 |
HNA | 30 | 36 | 66 |
• Multnomah County population
45.6 mi, 165°
• Washington County
48.5 mi, 205°
• Clark County
29.8 mi, 163°
• Thurston County
52.4 mi, 351°
• Lewis County
30.4 mi, 26°
• Columbia County
26.3 mi, 230°
• Clatsop County
51.3 mi, 257°
• Pacific County
59.4 mi, 295°
• Skamania County
35.6 mi, 108°
• Wahkiakum County
37.4 mi, 281°
[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
*Lewis, Clark Washington Notes
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