Last official estimated population of Grant County was 2,389 (year 2014)[1]. This was 0.001% of total US population and 0.3% of total North Dakota state population. Area of Grant County is 1,665.9 mi² (=4314.7 km²), in this year population density was 1.43 p/mi². If population growth rate would be same as in period 2010-2014 (-0.05%/yr), Grant County population in 2025 would be 2,375 [0].
Historical population of Grant County for period 1920-2014 [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
[1920-1930] +0.59 %/yr
[1930-1940] -2.02 %/yr
[1940-1950] -1.49 %/yr
[1950-1960] -1.29 %/yr
[1960-1970] -2.19 %/yr
[1970-1980] -1.57 %/yr
[1980-1990] -1.84 %/yr
[1990-2000] -2.2 %/yr
[2000-2005] -1.76 %/yr
[2005-2010] -1.63 %/yr
[2010-2014] -0.05 %/yr
Looking for settlements in Grant County? Visit this page: Settlements in Grant County, ND
Population of Grant County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 71 | 65 | 136 |
| 5 to 9 | 49 | 70 | 119 |
| 10 to 14 | 53 | 54 | 107 |
| 15 to 19 | 58 | 63 | 121 |
| 20 to 24 | 60 | 43 | 103 |
| 25 to 29 | 48 | 39 | 87 |
| 30 to 34 | 48 | 44 | 92 |
| 35 to 39 | 52 | 44 | 96 |
| 40 to 44 | 58 | 53 | 111 |
| 45 to 49 | 64 | 61 | 125 |
| 50 to 54 | 100 | 91 | 191 |
| 55 to 59 | 105 | 96 | 201 |
| 60 to 64 | 119 | 99 | 218 |
| 65 to 69 | 96 | 98 | 194 |
| 70 to 74 | 70 | 73 | 143 |
| 75 to 79 | 71 | 62 | 133 |
| 80 to 84 | 42 | 48 | 90 |
| 85+ | 38 | 56 | 94 |
Grant 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 | 1187 | 1151 | 2,338 |
| WAC | 1179 | 1129 | 2,308 |
| NHWAC | 1165 | 1121 | 2,286 |
| WA | 1160 | 1110 | 2,270 |
| NHWA | 1147 | 1104 | 2,251 |
| IAC | 31 | 35 | 66 |
| NHIAC | 29 | 34 | 63 |
| IA | 19 | 25 | 44 |
| NHIA | 18 | 25 | 43 |
| TOM | 21 | 21 | 42 |
| NHTOM | 20 | 19 | 39 |
| H | 15 | 8 | 23 |
| HWAC | 14 | 8 | 22 |
| HWA | 13 | 6 | 19 |
| BAC | 8 | 10 | 18 |
| NHBAC | 8 | 9 | 17 |
| AAC | 5 | 7 | 12 |
| NHAAC | 5 | 7 | 12 |
| NHAA | 1 | 3 | 4 |
| AA | 1 | 3 | 4 |
| HIAC | 2 | 1 | 3 |
| HTOM | 1 | 2 | 3 |
| NAC | 1 | 1 | 2 |
| NHNAC | 1 | 1 | 2 |
| NHBA | 1 | 0 | 1 |
| BA | 1 | 0 | 1 |
| HIA | 1 | 0 | 1 |
| HBAC | 0 | 1 | 1 |
| HNAC | 0 | 0 | 0 |
| HAAC | 0 | 0 | 0 |
| NHNA | 0 | 0 | 0 |
| HBA | 0 | 0 | 0 |
| NA | 0 | 0 | 0 |
| HNA | 0 | 0 | 0 |
| HAA | 0 | 0 | 0 |
• Burleigh County population
70.1 mi, 
52°
• Morton County
29.3 mi, 
33°
• Stark County
58 mi, 
303°
• Mercer County
66.2 mi, 
352°
• Sioux County
32.5 mi, 
121°
• Corson County
51.4 mi, 
154°
• Emmons County
67.1 mi, 
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• Hettinger County
39.2 mi, 
277°
• Adams County
46.4 mi, 
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• Oliver County
54.5 mi, 
15°
[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
*Morton North Dakota Notes
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