Last official estimated population of Lafayette Parish was 222,152 (year 2014)[1]. This was 0.07% of total US population and 4.8% of total Louisiana state population. Area of Lafayette Parish is 269.2 mi² (=697.3 km²), in this year population density was 825.20 p/mi². If population growth rate would be same as in period 2010-2014 (+0.06%/yr), Lafayette Parish population in 2026 would be 223,883 [0].
Historical population of Lafayette Parish for period 1830-2014 [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
[1830-1840] +3.33 %/yr
[1840-1850] -1.53 %/yr
[1850-1860] +2.97 %/yr
[1860-1870] +1.44 %/yr
[1870-1880] +2.45 %/yr
[1880-1890] +1.89 %/yr
[1890-1900] +3.64 %/yr
[1900-1910] +2.33 %/yr
[1910-1920] +0.71 %/yr
[1920-1930] +2.33 %/yr
[1930-1940] +1.25 %/yr
[1940-1950] +2.77 %/yr
[1950-1960] +3.9 %/yr
[1960-1970] +2.63 %/yr
[1970-1980] +3.18 %/yr
[1980-1990] +0.94 %/yr
[1990-2000] +1.45 %/yr
[2000-2005] +1.21 %/yr
[2005-2010] +1.86 %/yr
[2010-2014] +0.06 %/yr
Looking for settlements in Lafayette Parish? Visit this page: Settlements in Lafayette Parish, LA
Population of Lafayette Parish by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 8136 | 7928 | 16,064 |
| 5 to 9 | 8132 | 7815 | 15,947 |
| 10 to 14 | 7671 | 7469 | 15,140 |
| 15 to 19 | 7762 | 7479 | 15,241 |
| 20 to 24 | 9241 | 9554 | 18,795 |
| 25 to 29 | 10630 | 10398 | 21,028 |
| 30 to 34 | 9479 | 9272 | 18,751 |
| 35 to 39 | 7846 | 7560 | 15,406 |
| 40 to 44 | 7026 | 7197 | 14,223 |
| 45 to 49 | 6878 | 7394 | 14,272 |
| 50 to 54 | 7569 | 8493 | 16,062 |
| 55 to 59 | 7482 | 8180 | 15,662 |
| 60 to 64 | 5943 | 6597 | 12,540 |
| 65 to 69 | 4465 | 4796 | 9,261 |
| 70 to 74 | 2752 | 3368 | 6,120 |
| 75 to 79 | 1908 | 2665 | 4,573 |
| 80 to 84 | 1308 | 2127 | 3,435 |
| 85+ | 1023 | 2101 | 3,124 |
Lafayette 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 | 109581 | 115564 | 225,145 |
| WAC | 83418 | 85198 | 168,616 |
| WA | 81940 | 83558 | 165,498 |
| NHWAC | 78371 | 80924 | 159,295 |
| NHWA | 77025 | 79429 | 156,454 |
| BAC | 30165 | 33505 | 63,670 |
| NHBAC | 29679 | 33029 | 62,708 |
| BA | 29188 | 32417 | 61,605 |
| NHBA | 28765 | 32026 | 60,791 |
| H | 5670 | 4829 | 10,499 |
| HWAC | 5047 | 4274 | 9,321 |
| HWA | 4915 | 4129 | 9,044 |
| AAC | 2389 | 2434 | 4,823 |
| NHAAC | 2300 | 2369 | 4,669 |
| AA | 1988 | 2030 | 4,018 |
| NHAA | 1933 | 1996 | 3,929 |
| TOM | 1639 | 1810 | 3,449 |
| NHTOM | 1492 | 1640 | 3,132 |
| IAC | 950 | 1089 | 2,039 |
| NHIAC | 775 | 927 | 1,702 |
| HBAC | 486 | 476 | 962 |
| IA | 436 | 514 | 950 |
| HBA | 423 | 391 | 814 |
| NHIA | 334 | 438 | 772 |
| HIAC | 175 | 162 | 337 |
| HTOM | 147 | 170 | 317 |
| NAC | 135 | 127 | 262 |
| NHNAC | 97 | 89 | 186 |
| HIA | 102 | 76 | 178 |
| HAAC | 89 | 65 | 154 |
| NA | 60 | 64 | 124 |
| HAA | 55 | 34 | 89 |
| HNAC | 38 | 38 | 76 |
| NHNA | 32 | 35 | 67 |
| HNA | 28 | 29 | 57 |
• St. Landry Parish population
26.4 mi, 
9°
• Iberia Parish
43.6 mi, 
162°
• Acadia Parish
21.5 mi, 
285°
• Vermilion Parish
31.8 mi, 
205°
• St. Martin Parish
27.7 mi, 
102°
• Evangeline Parish
40.9 mi, 
330°
• Iberville Parish
41.9 mi, 
83°
• Jefferson Davis Parish
45.1 mi, 
275°
• West Baton Rouge Parish
48.4 mi, 
68°
• Pointe Coupee Parish
44.2 mi, 
38°
[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
*St. Martin Louisiana Notes
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