Last official estimated population of Ray County was 23,477 (year 2014)[1]. This was 0.007% of total US population and 0.4% of total Missouri state population. Area of Ray County is 573.9 mi² (=1486.5 km²), in this year population density was 40.91 p/mi². If population growth rate would be same as in period 2010-2014 (-0.02%/yr), Ray County population in 2026 would be 23,426 [0].
Historical population of Ray County for period 1830-2014 [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

[1830-1840] +9.45 %/yr
[1840-1850] +4.7 %/yr
[1850-1860] +3.11 %/yr
[1860-1870] +2.87 %/yr
[1870-1880] +0.77 %/yr
[1880-1890] +1.83 %/yr
[1890-1900] +0.24 %/yr
[1900-1910] -1.44 %/yr
[1910-1920] -0.45 %/yr
[1920-1930] -0.33 %/yr
[1930-1940] -0.65 %/yr
[1940-1950] -1.53 %/yr
[1950-1960] +0.09 %/yr
[1960-1970] +0.91 %/yr
[1970-1980] +1.96 %/yr
[1980-1990] +0.27 %/yr
[1990-2000] +0.62 %/yr
[2000-2005] +0.2 %/yr
[2005-2010] -0.09 %/yr
[2010-2014] -0.02 %/yr
Looking for settlements in Ray County? Visit this page: Settlements in Ray County, MO
Population of Ray County by age groups male (M) and female (F)[1b]
| Age Gr. | (M) | (F) | Total |
| 0 to 4 | 658 | 610 | 1,268 |
| 5 to 9 | 741 | 721 | 1,462 |
| 10 to 14 | 864 | 736 | 1,600 |
| 15 to 19 | 843 | 720 | 1,563 |
| 20 to 24 | 698 | 614 | 1,312 |
| 25 to 29 | 595 | 593 | 1,188 |
| 30 to 34 | 614 | 614 | 1,228 |
| 35 to 39 | 631 | 665 | 1,296 |
| 40 to 44 | 743 | 720 | 1,463 |
| 45 to 49 | 737 | 810 | 1,547 |
| 50 to 54 | 970 | 880 | 1,850 |
| 55 to 59 | 877 | 904 | 1,781 |
| 60 to 64 | 729 | 732 | 1,461 |
| 65 to 69 | 610 | 666 | 1,276 |
| 70 to 74 | 499 | 561 | 1,060 |
| 75 to 79 | 334 | 373 | 707 |
| 80 to 84 | 195 | 243 | 438 |
| 85+ | 161 | 288 | 449 |
Ray 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 | 11267 | 11148 | 22,415 |
| WAC | 11177 | 11196 | 22,373 |
| WA | 11008 | 10999 | 22,007 |
| NHWAC | 10972 | 10917 | 21,889 |
| NHWA | 10822 | 10738 | 21,560 |
| H | 232 | 302 | 534 |
| BAC | 270 | 215 | 485 |
| HWAC | 205 | 279 | 484 |
| HWA | 186 | 261 | 447 |
| NHBAC | 242 | 195 | 437 |
| TOM | 178 | 200 | 378 |
| NHTOM | 157 | 181 | 338 |
| BA | 188 | 132 | 320 |
| IAC | 149 | 152 | 301 |
| NHBA | 170 | 119 | 289 |
| NHIAC | 138 | 138 | 276 |
| AAC | 75 | 78 | 153 |
| IA | 74 | 65 | 139 |
| NHAAC | 66 | 71 | 137 |
| NHIA | 72 | 62 | 134 |
| AA | 46 | 45 | 91 |
| NHAA | 43 | 40 | 83 |
| HBAC | 28 | 20 | 48 |
| HTOM | 21 | 19 | 40 |
| HBA | 18 | 13 | 31 |
| NAC | 12 | 16 | 28 |
| HIAC | 11 | 14 | 25 |
| NHNAC | 8 | 14 | 22 |
| HAAC | 9 | 7 | 16 |
| NA | 5 | 9 | 14 |
| NHNA | 3 | 8 | 11 |
| HAA | 3 | 5 | 8 |
| HNAC | 4 | 2 | 6 |
| HIA | 2 | 3 | 5 |
| HNA | 2 | 1 | 3 |
• Jackson County population
28 mi,
221°
• Clay County
22.8 mi,
271°
• Wyandotte County
43.2 mi,
252°
• Platte County
41.2 mi,
276°
• Johnson County
40.4 mi,
165°
• Lafayette County
19.5 mi,
148°
• Clinton County
29.8 mi,
314°
• Livingston County
40.3 mi,
36°
• Caldwell County
24.2 mi,
2°
• Carroll County
27.7 mi,
72°
[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
*Howard Missouri Notes
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