Last official estimated population of Pacific County was 20,899 (year 2014)[1]. This was 0.007% of total US population and 0.3% of total Washington state population. Area of Pacific County is 1,223.4 mi² (=3168.6 km²), in this year population density was 17.08 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Pacific County population in 2025 would be 20,841 [0].
Historical population of Pacific 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] +5.8 %/yr
[1870-1880] +8.35 %/yr
[1880-1890] +10.23 %/yr
[1890-1900] +3.22 %/yr
[1900-1910] +7.67 %/yr
[1910-1920] +1.74 %/yr
[1920-1930] +0.05 %/yr
[1930-1940] +0.62 %/yr
[1940-1950] +0.39 %/yr
[1950-1960] -1.2 %/yr
[1960-1970] +0.74 %/yr
[1970-1980] +0.88 %/yr
[1980-1990] +0.92 %/yr
[1990-2000] +1.06 %/yr
[2000-2005] +0.24 %/yr
[2005-2010] -0.29 %/yr
[2010-2014] -0.03 %/yr
Looking for settlements in Pacific County? Visit this page: Settlements in Pacific County, WA
Population of Pacific County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 498 | 452 | 950 |
| 5 to 9 | 484 | 485 | 969 |
| 10 to 14 | 493 | 428 | 921 |
| 15 to 19 | 574 | 449 | 1,023 |
| 20 to 24 | 492 | 422 | 914 |
| 25 to 29 | 434 | 462 | 896 |
| 30 to 34 | 524 | 448 | 972 |
| 35 to 39 | 465 | 446 | 911 |
| 40 to 44 | 482 | 518 | 1,000 |
| 45 to 49 | 574 | 531 | 1,105 |
| 50 to 54 | 701 | 693 | 1,394 |
| 55 to 59 | 831 | 902 | 1,733 |
| 60 to 64 | 990 | 1054 | 2,044 |
| 65 to 69 | 977 | 1012 | 1,989 |
| 70 to 74 | 744 | 733 | 1,477 |
| 75 to 79 | 513 | 505 | 1,018 |
| 80 to 84 | 298 | 327 | 625 |
| 85+ | 252 | 368 | 620 |
Pacific 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 | 9628 | 9558 | 19,186 |
| NH | 9307 | 9396 | 18,703 |
| WA | 9248 | 9232 | 18,480 |
| NHWAC | 8746 | 8842 | 17,588 |
| NHWA | 8421 | 8561 | 16,982 |
| H | 1019 | 839 | 1,858 |
| HWAC | 882 | 716 | 1,598 |
| HWA | 827 | 671 | 1,498 |
| IAC | 585 | 555 | 1,140 |
| NHIAC | 466 | 456 | 922 |
| TOM | 409 | 346 | 755 |
| NHTOM | 349 | 298 | 647 |
| IA | 320 | 311 | 631 |
| AAC | 297 | 298 | 595 |
| NHAAC | 281 | 288 | 569 |
| NHIA | 240 | 242 | 482 |
| AA | 216 | 241 | 457 |
| NHAA | 208 | 236 | 444 |
| BAC | 186 | 134 | 320 |
| HIAC | 119 | 99 | 218 |
| NHBAC | 127 | 79 | 206 |
| BA | 117 | 88 | 205 |
| HIA | 80 | 69 | 149 |
| NHBA | 75 | 47 | 122 |
| HBAC | 59 | 55 | 114 |
| HTOM | 60 | 48 | 108 |
| NAC | 46 | 38 | 84 |
| HBA | 42 | 41 | 83 |
| NHNAC | 42 | 31 | 73 |
| NA | 16 | 17 | 33 |
| HAAC | 16 | 10 | 26 |
| NHNA | 14 | 12 | 26 |
| HAA | 8 | 5 | 13 |
| HNAC | 4 | 7 | 11 |
| HNA | 2 | 5 | 7 |
• Washington County population
76.7 mi, 
154°
• Thurston County
52.1 mi, 
59°
• Cowlitz County
59.4 mi, 
115°
• Lewis County
66.8 mi, 
88°
• Grays Harbor County
38.6 mi, 
356°
• Mason County
62.1 mi, 
27°
• Columbia County
54.1 mi, 
141°
• Clatsop County
36.9 mi, 
174°
• Tillamook County
76.1 mi, 
179°
• Wahkiakum County
24.9 mi, 136°
[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 Washington Notes
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