Last official estimated population of Blue Earth County was 64,069 (year 2014)[1]. This was 0.02% of total US population and 1.2% of total Minnesota state population. Area of Blue Earth County is 765.6 mi² (=1982.9 km²), in this year population density was 83.69 p/mi². If population growth rate would be same as in period 2010-2014 (+0.02%/yr), Blue Earth County population in 2026 would be 64,237 [0].
Historical population of Blue Earth 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] +13.67 %/yr
[1870-1880] +2.84 %/yr
[1880-1890] +2.47 %/yr
[1890-1900] +1 %/yr
[1900-1910] -0.95 %/yr
[1910-1920] +0.71 %/yr
[1920-1930] +0.73 %/yr
[1930-1940] +0.68 %/yr
[1940-1950] +0.57 %/yr
[1950-1960] +1.48 %/yr
[1960-1970] +1.66 %/yr
[1970-1980] -0 %/yr
[1980-1990] +0.33 %/yr
[1990-2000] +0.34 %/yr
[2000-2005] +1.39 %/yr
[2005-2010] +1.33 %/yr
[2010-2014] +0.02 %/yr
Looking for settlements in Blue Earth County? Visit this page: Settlements in Blue Earth County, MN
Population of Blue Earth County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 1922 | 1738 | 3,660 |
| 5 to 9 | 1932 | 1851 | 3,783 |
| 10 to 14 | 1847 | 1645 | 3,492 |
| 15 to 19 | 2610 | 2875 | 5,485 |
| 20 to 24 | 5289 | 4935 | 10,224 |
| 25 to 29 | 2755 | 2306 | 5,061 |
| 30 to 34 | 2286 | 2048 | 4,334 |
| 35 to 39 | 1810 | 1693 | 3,503 |
| 40 to 44 | 1601 | 1497 | 3,098 |
| 45 to 49 | 1688 | 1597 | 3,285 |
| 50 to 54 | 1825 | 1853 | 3,678 |
| 55 to 59 | 1896 | 1977 | 3,873 |
| 60 to 64 | 1724 | 1708 | 3,432 |
| 65 to 69 | 1285 | 1274 | 2,559 |
| 70 to 74 | 876 | 968 | 1,844 |
| 75 to 79 | 633 | 802 | 1,435 |
| 80 to 84 | 491 | 697 | 1,188 |
| 85+ | 462 | 989 | 1,451 |
Blue Earth 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 | 31816 | 31503 | 63,319 |
| WAC | 30585 | 30656 | 61,241 |
| WA | 30072 | 30181 | 60,253 |
| NHWAC | 29576 | 29767 | 59,343 |
| NHWA | 29109 | 29335 | 58,444 |
| BAC | 1557 | 1204 | 2,761 |
| NHBAC | 1497 | 1165 | 2,662 |
| BA | 1296 | 962 | 2,258 |
| NHBA | 1260 | 941 | 2,201 |
| H | 1116 | 950 | 2,066 |
| HWAC | 1009 | 889 | 1,898 |
| AAC | 1055 | 832 | 1,887 |
| NHAAC | 1038 | 822 | 1,860 |
| HWA | 963 | 846 | 1,809 |
| AA | 868 | 667 | 1,535 |
| NHAA | 863 | 664 | 1,527 |
| TOM | 539 | 512 | 1,051 |
| NHTOM | 486 | 464 | 950 |
| IAC | 276 | 261 | 537 |
| NHIAC | 192 | 201 | 393 |
| IA | 145 | 116 | 261 |
| NHIA | 88 | 84 | 172 |
| HIAC | 84 | 60 | 144 |
| HTOM | 53 | 48 | 101 |
| HBAC | 60 | 39 | 99 |
| HIA | 57 | 32 | 89 |
| NAC | 28 | 36 | 64 |
| HBA | 36 | 21 | 57 |
| NHNAC | 24 | 32 | 56 |
| HAAC | 17 | 10 | 27 |
| NA | 12 | 15 | 27 |
| NHNA | 10 | 15 | 25 |
| HAA | 5 | 3 | 8 |
| HNAC | 4 | 4 | 8 |
| HNA | 2 | 0 | 2 |
• Steele County population
41.9 mi,
91°
• Nicollet County
24.2 mi,
338°
• Freeborn County
43.4 mi,
124°
• Le Sueur County
28.7 mi,
35°
• Brown County
36.3 mi,
293°
• Martin County
34.1 mi,
223°
• Waseca County
23.6 mi,
92°
• Sibley County
38.3 mi,
347°
• Faribault County
25.4 mi,
166°
• Watonwan County
27.6 mi,
262°
[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
*Wabasha Minnesota Notes
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