Last official estimated population of Grant Parish was 22,340 (year 2014)[1]. This was 0.007% of total US population and 0.5% of total Louisiana state population. Area of Grant Parish is 664.7 mi² (=1721.4 km²), in this year population density was 33.61 p/mi². If population growth rate would be same as in period 2010-2014 (+0.03%/yr), Grant Parish population in 2026 would be 22,433 [0].
Historical population of Grant Parish for period 1870-2014 [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

[1870-1880] +3.2 %/yr
[1880-1890] +2.94 %/yr
[1890-1900] +4.55 %/yr
[1900-1910] +2.15 %/yr
[1910-1920] -1.02 %/yr
[1920-1930] +0.87 %/yr
[1930-1940] +0.14 %/yr
[1940-1950] -1.1 %/yr
[1950-1960] -0.67 %/yr
[1960-1970] +0.25 %/yr
[1970-1980] +2.02 %/yr
[1980-1990] +0.48 %/yr
[1990-2000] +0.65 %/yr
[2000-2005] +1.74 %/yr
[2005-2010] +1.82 %/yr
[2010-2014] +0.03 %/yr
Looking for settlements in Grant Parish? Visit this page: Settlements in Grant Parish, LA
Population of Grant Parish by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 669 | 615 | 1,284 |
| 5 to 9 | 680 | 687 | 1,367 |
| 10 to 14 | 735 | 633 | 1,368 |
| 15 to 19 | 719 | 581 | 1,300 |
| 20 to 24 | 820 | 591 | 1,411 |
| 25 to 29 | 1160 | 641 | 1,801 |
| 30 to 34 | 1315 | 638 | 1,953 |
| 35 to 39 | 1100 | 573 | 1,673 |
| 40 to 44 | 955 | 608 | 1,563 |
| 45 to 49 | 811 | 640 | 1,451 |
| 50 to 54 | 828 | 719 | 1,547 |
| 55 to 59 | 707 | 697 | 1,404 |
| 60 to 64 | 608 | 563 | 1,171 |
| 65 to 69 | 523 | 555 | 1,078 |
| 70 to 74 | 391 | 409 | 800 |
| 75 to 79 | 249 | 314 | 563 |
| 80 to 84 | 166 | 186 | 352 |
| 85+ | 112 | 186 | 298 |
Grant 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 | 11670 | 9653 | 21,323 |
| WAC | 9788 | 8626 | 18,414 |
| WA | 9599 | 8449 | 18,048 |
| NHWAC | 8998 | 8464 | 17,462 |
| NHWA | 8833 | 8302 | 17,135 |
| BAC | 2640 | 1139 | 3,779 |
| NHBAC | 2554 | 1123 | 3,677 |
| BA | 2528 | 1049 | 3,577 |
| NHBA | 2461 | 1042 | 3,503 |
| H | 878 | 183 | 1,061 |
| HWAC | 790 | 162 | 952 |
| HWA | 766 | 147 | 913 |
| IAC | 221 | 196 | 417 |
| TOM | 212 | 191 | 403 |
| NHIAC | 197 | 175 | 372 |
| NHTOM | 186 | 175 | 361 |
| IA | 134 | 102 | 236 |
| NHIA | 118 | 91 | 209 |
| AAC | 95 | 62 | 157 |
| NHAAC | 92 | 60 | 152 |
| AA | 67 | 43 | 110 |
| NHAA | 65 | 41 | 106 |
| HBAC | 86 | 16 | 102 |
| HBA | 67 | 7 | 74 |
| HIAC | 24 | 21 | 45 |
| HTOM | 26 | 16 | 42 |
| NAC | 20 | 8 | 28 |
| NHNAC | 19 | 8 | 27 |
| HIA | 16 | 11 | 27 |
| NA | 8 | 2 | 10 |
| NHNA | 7 | 2 | 9 |
| HAAC | 3 | 2 | 5 |
| HAA | 2 | 2 | 4 |
| HNAC | 1 | 0 | 1 |
| HNA | 1 | 0 | 1 |
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[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
*Rapides, Winn Louisiana Notes
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