Last official estimated population of Terrebonne Parish was 111,522 (year 2014)[1]. This was 0.035% of total US population and 2.4% of total Louisiana state population. Area of Terrebonne Parish is 2,082.0 mi² (=5392.4 km²), in this year population density was 53.56 p/mi². If population growth rate would be same as in period 2010-2014 (-0.08%/yr), Terrebonne Parish population in 2026 would be 110,514 [0].
Historical population of Terrebonne 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] +7.59 %/yr
[1840-1850] +5.76 %/yr
[1850-1860] +4.58 %/yr
[1860-1870] +0.29 %/yr
[1870-1880] +3.73 %/yr
[1880-1890] +1.17 %/yr
[1890-1900] +1.95 %/yr
[1900-1910] +1.47 %/yr
[1910-1920] -0.49 %/yr
[1920-1930] +1.01 %/yr
[1930-1940] +1.87 %/yr
[1940-1950] +1.9 %/yr
[1950-1960] +3.44 %/yr
[1960-1970] +2.27 %/yr
[1970-1980] +2.18 %/yr
[1980-1990] +0.27 %/yr
[1990-2000] +0.78 %/yr
[2000-2005] +0.57 %/yr
[2005-2010] +0.74 %/yr
[2010-2014] -0.08 %/yr
Looking for settlements in Terrebonne Parish? Visit this page: Settlements in Terrebonne Parish, LA
Population of Terrebonne Parish by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 4000 | 3881 | 7,881 |
| 5 to 9 | 4234 | 4067 | 8,301 |
| 10 to 14 | 4024 | 3977 | 8,001 |
| 15 to 19 | 3835 | 3499 | 7,334 |
| 20 to 24 | 3922 | 4081 | 8,003 |
| 25 to 29 | 4188 | 4121 | 8,309 |
| 30 to 34 | 4091 | 4116 | 8,207 |
| 35 to 39 | 3433 | 3380 | 6,813 |
| 40 to 44 | 3286 | 3356 | 6,642 |
| 45 to 49 | 3752 | 3867 | 7,619 |
| 50 to 54 | 4104 | 4188 | 8,292 |
| 55 to 59 | 3775 | 3726 | 7,501 |
| 60 to 64 | 2968 | 3165 | 6,133 |
| 65 to 69 | 2367 | 2552 | 4,919 |
| 70 to 74 | 1664 | 2000 | 3,664 |
| 75 to 79 | 1118 | 1444 | 2,562 |
| 80 to 84 | 717 | 934 | 1,651 |
| 85+ | 551 | 945 | 1,496 |
Terrebonne 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 | 52819 | 54981 | 107,800 |
| WAC | 41562 | 41854 | 83,416 |
| WA | 40536 | 40740 | 81,276 |
| NHWAC | 38760 | 39845 | 78,605 |
| NHWA | 37800 | 38792 | 76,592 |
| BAC | 10980 | 11919 | 22,899 |
| NHBAC | 10798 | 11757 | 22,555 |
| BA | 10311 | 11197 | 21,508 |
| NHBA | 10169 | 11073 | 21,242 |
| IAC | 3834 | 3985 | 7,819 |
| NHIAC | 3625 | 3818 | 7,443 |
| IA | 3186 | 3302 | 6,488 |
| NHIA | 3025 | 3175 | 6,200 |
| H | 3210 | 2318 | 5,528 |
| HWAC | 2802 | 2009 | 4,811 |
| HWA | 2736 | 1948 | 4,684 |
| TOM | 1263 | 1343 | 2,606 |
| NHTOM | 1181 | 1269 | 2,450 |
| AAC | 852 | 830 | 1,682 |
| NHAAC | 783 | 785 | 1,568 |
| AA | 662 | 625 | 1,287 |
| NHAA | 611 | 598 | 1,209 |
| HIAC | 209 | 167 | 376 |
| NAC | 178 | 176 | 354 |
| HBAC | 182 | 162 | 344 |
| HIA | 161 | 127 | 288 |
| NHNAC | 132 | 154 | 286 |
| HBA | 142 | 124 | 266 |
| NA | 71 | 92 | 163 |
| HTOM | 82 | 74 | 156 |
| HAAC | 69 | 45 | 114 |
| NHNA | 33 | 74 | 107 |
| HAA | 51 | 27 | 78 |
| HNAC | 46 | 22 | 68 |
| HNA | 38 | 18 | 56 |
• Jefferson Parish population
50 mi,
76°
• Ascension Parish
60.4 mi,
356°
• Lafourche Parish
29.1 mi,
68°
• Iberia Parish
63 mi,
287°
• St. Mary Parish
42.5 mi,
298°
• St. Charles Parish
49.1 mi,
36°
• St. Martin Parish
71.3 mi,
319°
• St. John the Baptist Parish
60.1 mi,
20°
• Assumption Parish
41 mi,
342°
• St. James Parish
47.8 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
*Lafourche Interior (Lafourche) Louisiana Notes
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