Last official estimated population of Pierce County was 795,448 (year 2014)[1]. This was 0.249% of total US population and 11.1% of total Washington state population. Area of Pierce County is 1,806.4 mi² (=4678.5 km²), in this year population density was 440.36 p/mi². If population growth rate would be same as in period 2010-2014 (+0.01%/yr), Pierce County population in 2026 would be 796,117 [0].
Historical population of Pierce 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] +2.37 %/yr
[1870-1880] +8.95 %/yr
[1880-1890] +31.4 %/yr
[1890-1900] +0.86 %/yr
[1900-1910] +8.09 %/yr
[1910-1920] +1.78 %/yr
[1920-1930] +1.29 %/yr
[1930-1940] +1.06 %/yr
[1940-1950] +4.24 %/yr
[1950-1960] +1.55 %/yr
[1960-1970] +2.48 %/yr
[1970-1980] +1.68 %/yr
[1980-1990] +1.9 %/yr
[1990-2000] +1.8 %/yr
[2000-2005] +1.32 %/yr
[2005-2010] +1.23 %/yr
[2010-2014] +0.01 %/yr
Looking for settlements in Pierce County? Visit this page: Settlements in Pierce County, WA
Population of Pierce County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 29364 | 27925 | 57,289 |
| 5 to 9 | 28509 | 27238 | 55,747 |
| 10 to 14 | 27398 | 26526 | 53,924 |
| 15 to 19 | 26859 | 25448 | 52,307 |
| 20 to 24 | 33435 | 29152 | 62,587 |
| 25 to 29 | 33071 | 31134 | 64,205 |
| 30 to 34 | 30111 | 30064 | 60,175 |
| 35 to 39 | 26502 | 26674 | 53,176 |
| 40 to 44 | 26578 | 26612 | 53,190 |
| 45 to 49 | 26564 | 27164 | 53,728 |
| 50 to 54 | 29062 | 29415 | 58,477 |
| 55 to 59 | 27239 | 28305 | 55,544 |
| 60 to 64 | 22165 | 24041 | 46,206 |
| 65 to 69 | 17725 | 19377 | 37,102 |
| 70 to 74 | 11915 | 13643 | 25,558 |
| 75 to 79 | 7547 | 9687 | 17,234 |
| 80 to 84 | 5331 | 7250 | 12,581 |
| 85+ | 4386 | 8512 | 12,898 |
Pierce 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 |
| NH | 369883 | 377338 | 747,221 |
| WAC | 340667 | 342171 | 682,838 |
| WA | 316191 | 317241 | 633,432 |
| NHWAC | 303645 | 307921 | 611,566 |
| NHWA | 282581 | 286381 | 568,962 |
| BAC | 44871 | 39957 | 84,828 |
| H | 43878 | 40829 | 84,707 |
| AAC | 35595 | 43321 | 78,916 |
| NHBAC | 40608 | 35863 | 76,471 |
| NHAAC | 33228 | 40864 | 74,092 |
| HWAC | 37022 | 34250 | 71,272 |
| HWA | 33610 | 30860 | 64,470 |
| BA | 33144 | 28217 | 61,361 |
| NHBA | 30586 | 25803 | 56,389 |
| TOM | 27848 | 28261 | 56,109 |
| AA | 23343 | 31164 | 54,507 |
| NHAA | 22287 | 30069 | 52,356 |
| NHTOM | 23938 | 24363 | 48,301 |
| IAC | 14589 | 15103 | 29,692 |
| NHIAC | 10564 | 11294 | 21,858 |
| NAC | 9646 | 9753 | 19,399 |
| NHNAC | 8743 | 8806 | 17,549 |
| IA | 6998 | 6964 | 13,962 |
| NA | 6237 | 6320 | 12,557 |
| NHNA | 5803 | 5880 | 11,683 |
| NHIA | 4688 | 4842 | 9,530 |
| HBAC | 4263 | 4094 | 8,357 |
| HIAC | 4025 | 3809 | 7,834 |
| HTOM | 3910 | 3898 | 7,808 |
| HBA | 2558 | 2414 | 4,972 |
| HAAC | 2367 | 2457 | 4,824 |
| HIA | 2310 | 2122 | 4,432 |
| HAA | 1056 | 1095 | 2,151 |
| HNAC | 903 | 947 | 1,850 |
| HNA | 434 | 440 | 874 |
• King County population
33.8 mi,
26°
• Snohomish County
71.6 mi,
14°
• Thurston County
32.9 mi,
255°
• Kitsap County
46.8 mi,
330°
• Yakima County
78.5 mi,
121°
• Cowlitz County
64.4 mi,
201°
• Lewis County
34.2 mi,
198°
• Mason County
52.3 mi,
293°
• Kittitas County
69.6 mi,
85°
• Skamania County
71.6 mi,
172°
[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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