Last official estimated population of Plaquemines Parish was 23,118 (year 2014)[1]. This was 0.007% of total US population and 0.5% of total Louisiana state population. Area of Plaquemines Parish is 2,567.2 mi² (=6648.9 km²), in this year population density was 9.01 p/mi². If population growth rate would be same as in period 2010-2014 (+0.08%/yr), Plaquemines Parish population in 2026 would be 23,348 [0].
Historical population of Plaquemines Parish for period 1810-2014 [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

[1810-1820] +4.27 %/yr
[1820-1830] +6.67 %/yr
[1830-1840] +1.2 %/yr
[1840-1850] +3.86 %/yr
[1850-1860] +1.4 %/yr
[1860-1870] +2.19 %/yr
[1870-1880] +0.93 %/yr
[1880-1890] +0.8 %/yr
[1890-1900] +0.39 %/yr
[1900-1910] -0.4 %/yr
[1910-1920] -2.04 %/yr
[1920-1930] -0.59 %/yr
[1930-1940] +2.52 %/yr
[1940-1950] +1.46 %/yr
[1950-1960] +4.7 %/yr
[1960-1970] +1.13 %/yr
[1970-1980] +0.32 %/yr
[1980-1990] -0.18 %/yr
[1990-2000] +0.45 %/yr
[2000-2005] +2.02 %/yr
[2005-2010] -4.86 %/yr
[2010-2014] +0.08 %/yr
Looking for settlements in Plaquemines Parish? Visit this page: Settlements in Plaquemines Parish, LA
Population of Plaquemines Parish by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 882 | 820 | 1,702 |
| 5 to 9 | 917 | 851 | 1,768 |
| 10 to 14 | 921 | 870 | 1,791 |
| 15 to 19 | 790 | 734 | 1,524 |
| 20 to 24 | 813 | 772 | 1,585 |
| 25 to 29 | 729 | 732 | 1,461 |
| 30 to 34 | 743 | 816 | 1,559 |
| 35 to 39 | 752 | 774 | 1,526 |
| 40 to 44 | 777 | 796 | 1,573 |
| 45 to 49 | 815 | 796 | 1,611 |
| 50 to 54 | 884 | 827 | 1,711 |
| 55 to 59 | 778 | 738 | 1,516 |
| 60 to 64 | 636 | 624 | 1,260 |
| 65 to 69 | 449 | 512 | 961 |
| 70 to 74 | 354 | 368 | 722 |
| 75 to 79 | 228 | 272 | 500 |
| 80 to 84 | 121 | 223 | 344 |
| 85+ | 119 | 214 | 333 |
Plaquemines Parish 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 | 10955 | 10980 | 21,935 |
| WAC | 8569 | 8661 | 17,230 |
| WA | 8324 | 8368 | 16,692 |
| NHWAC | 7937 | 8012 | 15,949 |
| NHWA | 7722 | 7773 | 15,495 |
| BAC | 2542 | 2560 | 5,102 |
| NHBAC | 2477 | 2482 | 4,959 |
| BA | 2387 | 2390 | 4,777 |
| NHBA | 2338 | 2342 | 4,680 |
| H | 753 | 759 | 1,512 |
| HWAC | 632 | 649 | 1,281 |
| HWA | 602 | 595 | 1,197 |
| AAC | 532 | 509 | 1,041 |
| NHAAC | 509 | 482 | 991 |
| AA | 467 | 433 | 900 |
| NHAA | 455 | 420 | 875 |
| IAC | 344 | 333 | 677 |
| TOM | 295 | 335 | 630 |
| NHIAC | 287 | 268 | 555 |
| NHTOM | 259 | 271 | 530 |
| IA | 211 | 194 | 405 |
| NHIA | 169 | 163 | 332 |
| HBAC | 65 | 78 | 143 |
| HIAC | 57 | 65 | 122 |
| HTOM | 36 | 64 | 100 |
| HBA | 49 | 48 | 97 |
| HIA | 42 | 31 | 73 |
| NAC | 38 | 33 | 71 |
| HAAC | 23 | 27 | 50 |
| NHNAC | 24 | 21 | 45 |
| NA | 24 | 19 | 43 |
| HNAC | 14 | 12 | 26 |
| HAA | 12 | 13 | 25 |
| NHNA | 12 | 11 | 23 |
| HNA | 12 | 8 | 20 |
• Jefferson Parish population
44.9 mi,
278°
• Orleans Parish
59 mi,
319°
• St. Tammany Parish
79.9 mi,
330°
• Harrison County
71.2 mi,
10°
• Jackson County
83.2 mi,
28°
• Lafourche Parish
66.3 mi,
275°
• St. Charles Parish
72.5 mi,
298°
• St. John the Baptist Parish
87.8 mi,
305°
• Hancock County
69.2 mi,
350°
• St. Bernard Parish
35.7 mi,
3°
[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
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