Last official estimated population of Jefferson Davis Parish was 31,639 (year 2014)[1]. This was 0.01% of total US population and 0.7% of total Louisiana state population. Area of Jefferson Davis Parish is 658.6 mi² (=1705.7 km²), in this year population density was 48.04 p/mi². If population growth rate would be same as in period 2010-2014 (+0.04%/yr), Jefferson Davis Parish population in 2026 would be 31,774 [0].
Historical population of Jefferson Davis Parish for period 1920-2014 [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
[1920-1930] +0.4 %/yr
[1930-1940] +2.04 %/yr
[1940-1950] +0.84 %/yr
[1950-1960] +1.27 %/yr
[1960-1970] -0.09 %/yr
[1970-1980] +0.85 %/yr
[1980-1990] -0.46 %/yr
[1990-2000] +0.23 %/yr
[2000-2005] -0.15 %/yr
[2005-2010] +0.25 %/yr
[2010-2014] +0.04 %/yr
Looking for settlements in Jefferson Davis Parish? Visit this page: Settlements in Jefferson Davis Parish, LA
Population of Jefferson Davis Parish by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1227 | 1025 | 2,252 |
| 5 to 9 | 1173 | 1161 | 2,334 |
| 10 to 14 | 1173 | 1043 | 2,216 |
| 15 to 19 | 1092 | 982 | 2,074 |
| 20 to 24 | 968 | 987 | 1,955 |
| 25 to 29 | 938 | 988 | 1,926 |
| 30 to 34 | 995 | 999 | 1,994 |
| 35 to 39 | 901 | 916 | 1,817 |
| 40 to 44 | 838 | 992 | 1,830 |
| 45 to 49 | 944 | 1022 | 1,966 |
| 50 to 54 | 1116 | 1222 | 2,338 |
| 55 to 59 | 1063 | 1106 | 2,169 |
| 60 to 64 | 860 | 957 | 1,817 |
| 65 to 69 | 667 | 813 | 1,480 |
| 70 to 74 | 529 | 637 | 1,166 |
| 75 to 79 | 402 | 503 | 905 |
| 80 to 84 | 275 | 373 | 648 |
| 85+ | 233 | 357 | 590 |
Jefferson Davis 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 | 14998 | 15750 | 30,748 |
| WAC | 12554 | 13166 | 25,720 |
| WA | 12275 | 12873 | 25,148 |
| NHWAC | 12200 | 12860 | 25,060 |
| NHWA | 11934 | 12593 | 24,527 |
| BAC | 2848 | 2953 | 5,801 |
| NHBAC | 2816 | 2921 | 5,737 |
| BA | 2641 | 2734 | 5,375 |
| NHBA | 2615 | 2716 | 5,331 |
| H | 396 | 333 | 729 |
| HWAC | 354 | 306 | 660 |
| HWA | 341 | 280 | 621 |
| TOM | 307 | 313 | 620 |
| NHTOM | 292 | 286 | 578 |
| IAC | 198 | 198 | 396 |
| NHIAC | 177 | 181 | 358 |
| IA | 116 | 116 | 232 |
| NHIA | 104 | 109 | 213 |
| AAC | 93 | 70 | 163 |
| NHAAC | 89 | 66 | 155 |
| AA | 54 | 43 | 97 |
| NHAA | 53 | 42 | 95 |
| HBAC | 32 | 32 | 64 |
| HBA | 26 | 18 | 44 |
| HTOM | 15 | 27 | 42 |
| HIAC | 21 | 17 | 38 |
| NAC | 13 | 15 | 28 |
| NHNAC | 12 | 14 | 26 |
| HIA | 12 | 7 | 19 |
| HAAC | 4 | 4 | 8 |
| NA | 1 | 4 | 5 |
| NHNA | 0 | 4 | 4 |
| HNAC | 1 | 1 | 2 |
| HAA | 1 | 1 | 2 |
| HNA | 1 | 0 | 1 |
• Lafayette Parish population
45.1 mi, 
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32.5 mi, 
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53.8 mi, 
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• Vermilion Parish
45.6 mi, 
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• Beauregard Parish
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• Evangeline Parish
39.7 mi, 
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• Allen Parish
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34.5 mi, 
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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
*Calcasieu Louisiana Notes
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