Last official estimated population of Lake County was 10,863 (year 2014)[1]. This was 0.003% of total US population and 0.2% of total Minnesota state population. Area of Lake County is 2,990.6 mi² (=7745.6 km²), in this year population density was 3.63 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Lake County population in 2025 would be 10,855 [0].
Historical population of Lake County for period 1860-2014 [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

[1860-1870] -5.9 %/yr
[1870-1880] -2.39 %/yr
[1880-1890] +28.48 %/yr
[1890-1900] +13.61 %/yr
[1900-1910] +5.58 %/yr
[1910-1920] +0.3 %/yr
[1920-1930] -1.54 %/yr
[1930-1940] -0.16 %/yr
[1940-1950] +1.13 %/yr
[1950-1960] +5.82 %/yr
[1960-1970] -0.26 %/yr
[1970-1980] -0.23 %/yr
[1980-1990] -2.22 %/yr
[1990-2000] +0.6 %/yr
[2000-2005] -0.07 %/yr
[2005-2010] -0.27 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Lake County? Visit this page: Settlements in Lake County, MN
Population of Lake County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 282 | 249 | 531 |
| 5 to 9 | 275 | 297 | 572 |
| 10 to 14 | 290 | 256 | 546 |
| 15 to 19 | 282 | 261 | 543 |
| 20 to 24 | 216 | 239 | 455 |
| 25 to 29 | 293 | 241 | 534 |
| 30 to 34 | 275 | 249 | 524 |
| 35 to 39 | 265 | 249 | 514 |
| 40 to 44 | 268 | 242 | 510 |
| 45 to 49 | 290 | 312 | 602 |
| 50 to 54 | 415 | 432 | 847 |
| 55 to 59 | 502 | 451 | 953 |
| 60 to 64 | 495 | 431 | 926 |
| 65 to 69 | 367 | 361 | 728 |
| 70 to 74 | 313 | 297 | 610 |
| 75 to 79 | 234 | 248 | 482 |
| 80 to 84 | 181 | 190 | 371 |
| 85+ | 188 | 244 | 432 |
Lake 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 | 5340 | 5183 | 10,523 |
| WAC | 5348 | 5166 | 10,514 |
| WA | 5286 | 5093 | 10,379 |
| NHWAC | 5259 | 5100 | 10,359 |
| NHWA | 5202 | 5029 | 10,231 |
| H | 91 | 66 | 157 |
| HWAC | 89 | 66 | 155 |
| HWA | 84 | 64 | 148 |
| IAC | 68 | 75 | 143 |
| TOM | 65 | 75 | 140 |
| NHIAC | 65 | 74 | 139 |
| NHTOM | 60 | 73 | 133 |
| BAC | 46 | 56 | 102 |
| NHBAC | 44 | 54 | 98 |
| IA | 31 | 32 | 63 |
| AAC | 32 | 30 | 62 |
| NHIA | 30 | 32 | 62 |
| NHAAC | 30 | 30 | 60 |
| NHBA | 23 | 27 | 50 |
| BA | 23 | 27 | 50 |
| AA | 25 | 22 | 47 |
| NHAA | 24 | 22 | 46 |
| NAC | 5 | 2 | 7 |
| NHNAC | 5 | 2 | 7 |
| HTOM | 5 | 2 | 7 |
| HIAC | 3 | 1 | 4 |
| HBAC | 2 | 2 | 4 |
| HAAC | 2 | 0 | 2 |
| NA | 1 | 0 | 1 |
| NHNA | 1 | 0 | 1 |
| HAA | 1 | 0 | 1 |
| HIA | 1 | 0 | 1 |
| HNAC | 0 | 0 | 0 |
| HBA | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
• St. Louis County population
51.6 mi,
274°
• Itasca County
102.7 mi,
268°
• Douglas County
76.3 mi,
197°
• Carlton County
86.6 mi,
223°
• Gogebic County
104.4 mi,
132°
• Ashland County
75.5 mi,
152°
• Bayfield County
62 mi,
169°
• Ontonagon County
91.8 mi,
103°
• Iron County
98.6 mi,
146°
• Cook County
52.3 mi,
88°
[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
*Itasca Minnesota Notes
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