Last official estimated population of Gray County was 6,026 (year 2014)[1]. This was 0.002% of total US population and 0.2% of total Kansas state population. Area of Gray County is 869.3 mi² (=2251.5 km²), in this year population density was 6.93 p/mi². If population growth rate would be same as in period 2010-2014 (+0.08%/yr), Gray County population in 2025 would be 6,081 [0].
Historical population of Gray County for period 1890-2014 [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

[1890-1900] -6.27 %/yr
[1900-1910] +9.46 %/yr
[1910-1920] +4.2 %/yr
[1920-1930] +2.8 %/yr
[1930-1940] -2.6 %/yr
[1940-1950] +0.25 %/yr
[1950-1960] -1.1 %/yr
[1960-1970] +0.31 %/yr
[1970-1980] +1.3 %/yr
[1980-1990] +0.49 %/yr
[1990-2000] +0.93 %/yr
[2000-2005] -0.12 %/yr
[2005-2010] +0.42 %/yr
[2010-2014] +0.08 %/yr
Looking for settlements in Gray County? Visit this page: Settlements in Gray County, KS
Population of Gray County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 250 | 206 | 456 |
| 5 to 9 | 254 | 255 | 509 |
| 10 to 14 | 262 | 257 | 519 |
| 15 to 19 | 215 | 255 | 470 |
| 20 to 24 | 157 | 156 | 313 |
| 25 to 29 | 155 | 175 | 330 |
| 30 to 34 | 170 | 193 | 363 |
| 35 to 39 | 200 | 180 | 380 |
| 40 to 44 | 180 | 165 | 345 |
| 45 to 49 | 191 | 176 | 367 |
| 50 to 54 | 215 | 220 | 435 |
| 55 to 59 | 194 | 182 | 376 |
| 60 to 64 | 186 | 158 | 344 |
| 65 to 69 | 133 | 147 | 280 |
| 70 to 74 | 98 | 108 | 206 |
| 75 to 79 | 73 | 77 | 150 |
| 80 to 84 | 47 | 72 | 119 |
| 85+ | 46 | 74 | 120 |
Gray 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 | 2982 | 3003 | 5,985 |
| WA | 2953 | 2975 | 5,928 |
| NH | 2574 | 2644 | 5,218 |
| NHWAC | 2548 | 2605 | 5,153 |
| NHWA | 2522 | 2580 | 5,102 |
| H | 452 | 412 | 864 |
| HWAC | 434 | 398 | 832 |
| HWA | 431 | 395 | 826 |
| BAC | 37 | 32 | 69 |
| TOM | 31 | 30 | 61 |
| IAC | 27 | 32 | 59 |
| NHTOM | 27 | 27 | 54 |
| NHBAC | 28 | 24 | 52 |
| BA | 25 | 20 | 45 |
| NHIAC | 18 | 25 | 43 |
| NHBA | 16 | 14 | 30 |
| IA | 13 | 17 | 30 |
| AAC | 13 | 15 | 28 |
| NHAAC | 10 | 15 | 25 |
| HBAC | 9 | 8 | 17 |
| HIAC | 9 | 7 | 16 |
| NHIA | 5 | 11 | 16 |
| AA | 4 | 12 | 16 |
| NHAA | 4 | 12 | 16 |
| HBA | 9 | 6 | 15 |
| HIA | 8 | 6 | 14 |
| HTOM | 4 | 3 | 7 |
| NAC | 1 | 4 | 5 |
| HAAC | 3 | 0 | 3 |
| HNAC | 1 | 2 | 3 |
| NA | 0 | 2 | 2 |
| NHNAC | 0 | 2 | 2 |
| HNA | 0 | 2 | 2 |
| NHNA | 0 | 0 | 0 |
| HAA | 0 | 0 | 0 |
• Finney County population
26.3 mi,
323°
• Ford County
31.2 mi,
97°
• Seward County
44.8 mi,
209°
• Grant County
48.3 mi,
253°
• Meade County
35 mi,
171°
• Haskell County
26.8 mi,
240°
• Kearny County
49.8 mi,
290°
• Clark County
49.7 mi,
135°
• Hodgeman County
38.4 mi,
51°
• Lane County
50.9 mi,
359°
[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
*Foote, Meade Kansas Notes
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