Last official estimated population of St. Louis County was 200,198 (year 2014)[1]. This was 0.063% of total US population and 3.6% of total Minnesota state population. Area of St. Louis County is 6,859.5 mi² (=17766 km²), in this year population density was 29.19 p/mi². If population growth rate would be same as in period 2010-2014 (-0%/yr), St. Louis County population in 2026 would be 200,114 [0].
Historical population of St. Louis 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] +27.37 %/yr
[1870-1880] -0.13 %/yr
[1880-1890] +25.84 %/yr
[1890-1900] +6.34 %/yr
[1900-1910] +7.01 %/yr
[1910-1920] +2.37 %/yr
[1920-1930] -0.09 %/yr
[1930-1940] +0.11 %/yr
[1940-1950] -0.04 %/yr
[1950-1960] +1.17 %/yr
[1960-1970] -0.48 %/yr
[1970-1980] +0.07 %/yr
[1980-1990] -1.14 %/yr
[1990-2000] +0.12 %/yr
[2000-2005] -0.21 %/yr
[2005-2010] +0.18 %/yr
[2010-2014] -0 %/yr
Looking for settlements in St. Louis County? Visit this page: Settlements in St. Louis County, MN
Population of St. Louis County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 5425 | 4968 | 10,393 |
| 5 to 9 | 5567 | 5379 | 10,946 |
| 10 to 14 | 5624 | 5270 | 10,894 |
| 15 to 19 | 6902 | 6812 | 13,714 |
| 20 to 24 | 9542 | 8810 | 18,352 |
| 25 to 29 | 6360 | 5444 | 11,804 |
| 30 to 34 | 6357 | 5747 | 12,104 |
| 35 to 39 | 5623 | 5164 | 10,787 |
| 40 to 44 | 5548 | 5103 | 10,651 |
| 45 to 49 | 5751 | 5682 | 11,433 |
| 50 to 54 | 7292 | 7277 | 14,569 |
| 55 to 59 | 7890 | 7894 | 15,784 |
| 60 to 64 | 7577 | 7365 | 14,942 |
| 65 to 69 | 5609 | 5392 | 11,001 |
| 70 to 74 | 3753 | 4084 | 7,837 |
| 75 to 79 | 2640 | 3266 | 5,906 |
| 80 to 84 | 1874 | 2674 | 4,548 |
| 85+ | 1755 | 3529 | 5,284 |
St. Louis 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 | 99521 | 98471 | 197,992 |
| WAC | 95559 | 94986 | 190,545 |
| NHWAC | 94216 | 93803 | 188,019 |
| WA | 93376 | 92721 | 186,097 |
| NHWA | 92140 | 91667 | 183,807 |
| IAC | 3539 | 3550 | 7,089 |
| NHIAC | 3347 | 3321 | 6,668 |
| BAC | 2834 | 2143 | 4,977 |
| NHBAC | 2733 | 2054 | 4,787 |
| TOM | 2317 | 2384 | 4,701 |
| IA | 2379 | 2280 | 4,659 |
| NHTOM | 2202 | 2239 | 4,441 |
| NHIA | 2253 | 2151 | 4,404 |
| BA | 1951 | 1289 | 3,240 |
| NHBA | 1889 | 1246 | 3,135 |
| AAC | 1481 | 1588 | 3,069 |
| NHAAC | 1444 | 1553 | 2,997 |
| H | 1568 | 1389 | 2,957 |
| HWAC | 1343 | 1183 | 2,526 |
| HWA | 1236 | 1054 | 2,290 |
| AA | 1024 | 1138 | 2,162 |
| NHAA | 1002 | 1122 | 2,124 |
| HIAC | 192 | 229 | 421 |
| HTOM | 115 | 145 | 260 |
| HIA | 126 | 129 | 255 |
| NAC | 112 | 100 | 212 |
| NHNAC | 100 | 95 | 195 |
| HBAC | 101 | 89 | 190 |
| HBA | 62 | 43 | 105 |
| NA | 42 | 48 | 90 |
| NHNA | 35 | 46 | 81 |
| HAAC | 37 | 35 | 72 |
| HAA | 22 | 16 | 38 |
| HNAC | 12 | 5 | 17 |
| HNA | 7 | 2 | 9 |
• Itasca County population
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82.4 mi,
159°
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67.8 mi,
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• Pine County
102.8 mi,
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• Cass County
95.7 mi,
243°
• Aitkin County
79.8 mi,
212°
• Bayfield County
90.6 mi,
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• Koochiching County
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• Lake County
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• Cook County
103.7 mi,
91°
[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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