Last official estimated population of LaPorte County was 111,421 (year 2014)[1]. This was 0.035% of total US population and 1.7% of total Indiana state population. Area of LaPorte County is 613.3 mi² (=1588.3 km²), in this year population density was 181.69 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), LaPorte County population in 2025 would be 111,295 [0].
Historical population of LaPorte County for period 1840-2014 [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

[1840-1850] +4.03 %/yr
[1850-1860] +6.56 %/yr
[1860-1870] +1.68 %/yr
[1870-1880] +1.36 %/yr
[1880-1890] +1.06 %/yr
[1890-1900] +1.09 %/yr
[1900-1910] +1.78 %/yr
[1910-1920] +0.97 %/yr
[1920-1930] +1.83 %/yr
[1930-1940] +0.51 %/yr
[1940-1950] +1.9 %/yr
[1950-1960] +2.16 %/yr
[1960-1970] +1.03 %/yr
[1970-1980] +0.31 %/yr
[1980-1990] -0.15 %/yr
[1990-2000] +0.28 %/yr
[2000-2005] -0.1 %/yr
[2005-2010] +0.35 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in LaPorte County? Visit this page: Settlements in LaPorte County, IN
Population of LaPorte County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 3255 | 3280 | 6,535 |
| 5 to 9 | 3408 | 3250 | 6,658 |
| 10 to 14 | 3448 | 3373 | 6,821 |
| 15 to 19 | 3578 | 3236 | 6,814 |
| 20 to 24 | 4116 | 3137 | 7,253 |
| 25 to 29 | 4110 | 3007 | 7,117 |
| 30 to 34 | 4217 | 3188 | 7,405 |
| 35 to 39 | 3805 | 3030 | 6,835 |
| 40 to 44 | 3896 | 3269 | 7,165 |
| 45 to 49 | 3965 | 3493 | 7,458 |
| 50 to 54 | 4199 | 3945 | 8,144 |
| 55 to 59 | 4192 | 4020 | 8,212 |
| 60 to 64 | 3688 | 3753 | 7,441 |
| 65 to 69 | 2900 | 3099 | 5,999 |
| 70 to 74 | 2017 | 2306 | 4,323 |
| 75 to 79 | 1321 | 1639 | 2,960 |
| 80 to 84 | 844 | 1233 | 2,077 |
| 85+ | 718 | 1509 | 2,227 |
LaPorte County 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 | 54000 | 50677 | 104,677 |
| WAC | 49570 | 47956 | 97,526 |
| WA | 48390 | 46852 | 95,242 |
| NHWAC | 46168 | 45135 | 91,303 |
| NHWA | 45130 | 44169 | 89,299 |
| BAC | 8325 | 5880 | 14,205 |
| NHBAC | 8088 | 5665 | 13,753 |
| BA | 7557 | 5149 | 12,706 |
| NHBA | 7391 | 5008 | 12,399 |
| H | 3677 | 3090 | 6,767 |
| HWAC | 3402 | 2821 | 6,223 |
| HWA | 3260 | 2683 | 5,943 |
| TOM | 1237 | 1154 | 2,391 |
| NHTOM | 1085 | 1002 | 2,087 |
| IAC | 551 | 532 | 1,083 |
| AAC | 476 | 532 | 1,008 |
| NHAAC | 429 | 492 | 921 |
| NHIAC | 414 | 374 | 788 |
| AA | 276 | 357 | 633 |
| NHAA | 260 | 346 | 606 |
| HBAC | 237 | 215 | 452 |
| IA | 208 | 237 | 445 |
| HBA | 166 | 141 | 307 |
| HTOM | 152 | 152 | 304 |
| HIAC | 137 | 158 | 295 |
| NHIA | 129 | 140 | 269 |
| HIA | 79 | 97 | 176 |
| NAC | 52 | 58 | 110 |
| HAAC | 47 | 40 | 87 |
| NHNAC | 39 | 45 | 84 |
| HAA | 16 | 11 | 27 |
| NA | 9 | 18 | 27 |
| HNAC | 13 | 13 | 26 |
| NHNA | 5 | 12 | 17 |
| HNA | 4 | 6 | 10 |
• Lake County population
33 mi,
260°
• St. Joseph County
24.1 mi,
78°
• Elkhart County
45.7 mi,
85°
• Porter County
17.1 mi,
260°
• Berrien County
16.8 mi,
0°
• Marshall County
29.1 mi,
122°
• Jasper County
41.5 mi,
207°
• Starke County
19 mi,
164°
• Fulton County
42.5 mi,
144°
• Pulaski County
34.9 mi,
175°
[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. Joseph Indiana Notes
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