Last official estimated population of Morrill County was 5,040 (year 2014)[1]. This was 0.002% of total US population and 0.3% of total Nebraska state population. Area of Morrill County is 1,429.9 mi² (=3703.3 km²), in this year population density was 3.52 p/mi². If population growth rate would be same as in period 2010-2014 (-0.01%/yr), Morrill County population in 2025 would be 5,035 [0].
Historical population of Morrill County for period 1910-2014 [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

[1910-1920] +7.16 %/yr
[1920-1930] +0.84 %/yr
[1930-1940] -0.53 %/yr
[1940-1950] -1.32 %/yr
[1950-1960] -1.57 %/yr
[1960-1970] -1.92 %/yr
[1970-1980] +0.46 %/yr
[1980-1990] -1.15 %/yr
[1990-2000] +0.04 %/yr
[2000-2005] -1.25 %/yr
[2005-2010] -0.27 %/yr
[2010-2014] -0.01 %/yr
Looking for settlements in Morrill County? Visit this page: Settlements in Morrill County, NE
Population of Morrill County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 147 | 114 | 261 |
| 5 to 9 | 180 | 172 | 352 |
| 10 to 14 | 190 | 177 | 367 |
| 15 to 19 | 160 | 160 | 320 |
| 20 to 24 | 121 | 117 | 238 |
| 25 to 29 | 121 | 114 | 235 |
| 30 to 34 | 134 | 137 | 271 |
| 35 to 39 | 144 | 137 | 281 |
| 40 to 44 | 141 | 160 | 301 |
| 45 to 49 | 151 | 113 | 264 |
| 50 to 54 | 166 | 179 | 345 |
| 55 to 59 | 200 | 184 | 384 |
| 60 to 64 | 192 | 168 | 360 |
| 65 to 69 | 124 | 99 | 223 |
| 70 to 74 | 110 | 113 | 223 |
| 75 to 79 | 72 | 92 | 164 |
| 80 to 84 | 63 | 69 | 132 |
| 85+ | 50 | 91 | 141 |
Morrill 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 |
| WAC | 2399 | 2329 | 4,728 |
| WA | 2363 | 2298 | 4,661 |
| NH | 2105 | 2029 | 4,134 |
| NHWAC | 2067 | 1986 | 4,053 |
| NHWA | 2043 | 1961 | 4,004 |
| H | 361 | 367 | 728 |
| HWAC | 332 | 343 | 675 |
| HWA | 320 | 337 | 657 |
| IAC | 63 | 63 | 126 |
| IA | 41 | 42 | 83 |
| TOM | 37 | 32 | 69 |
| NHIAC | 31 | 37 | 68 |
| HIAC | 32 | 26 | 58 |
| NHTOM | 24 | 26 | 50 |
| HIA | 22 | 21 | 43 |
| NHIA | 19 | 21 | 40 |
| BAC | 23 | 15 | 38 |
| AAC | 17 | 21 | 38 |
| NHAAC | 16 | 19 | 35 |
| AA | 13 | 17 | 30 |
| NHBAC | 15 | 13 | 28 |
| NHAA | 13 | 15 | 28 |
| HTOM | 13 | 6 | 19 |
| BA | 10 | 7 | 17 |
| NHBA | 6 | 6 | 12 |
| HBAC | 8 | 2 | 10 |
| HBA | 4 | 1 | 5 |
| HAAC | 1 | 2 | 3 |
| HNAC | 2 | 0 | 2 |
| NAC | 2 | 0 | 2 |
| NA | 2 | 0 | 2 |
| HNA | 2 | 0 | 2 |
| HAA | 0 | 2 | 2 |
| NHNA | 0 | 0 | 0 |
| NHNAC | 0 | 0 | 0 |
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[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
*Cheyenne Nebraska Notes
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