Last official estimated population of Clay County was 222,696 (year 2014)[1]. This was 0.07% of total US population and 3.7% of total Missouri state population. Area of Clay County is 408.7 mi² (=1058.5 km²), in this year population density was 544.93 p/mi². If population growth rate would be same as in period 2010-2014 (+0.09%/yr), Clay County population in 2024 would be 224,600 [0].
Historical population of Clay 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] +4.49 %/yr
[1840-1850] +2.24 %/yr
[1850-1860] +2.34 %/yr
[1860-1870] +1.8 %/yr
[1870-1880] +0.01 %/yr
[1880-1890] +2.46 %/yr
[1890-1900] -0.49 %/yr
[1900-1910] +0.72 %/yr
[1910-1920] +0.08 %/yr
[1920-1930] +2.74 %/yr
[1930-1940] +1.27 %/yr
[1940-1950] +4.05 %/yr
[1950-1960] +6.82 %/yr
[1960-1970] +3.49 %/yr
[1970-1980] +1.02 %/yr
[1980-1990] +1.18 %/yr
[1990-2000] +1.83 %/yr
[2000-2005] +1.76 %/yr
[2005-2010] +2.04 %/yr
[2010-2014] +0.09 %/yr
Looking for settlements in Clay County? Visit this page: Settlements in Clay County, MO
Population of Clay County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 7687 | 7582 | 15,269 |
5 to 9 | 8617 | 8268 | 16,885 |
10 to 14 | 8494 | 8135 | 16,629 |
15 to 19 | 7638 | 7206 | 14,844 |
20 to 24 | 7012 | 7021 | 14,033 |
25 to 29 | 7847 | 8100 | 15,947 |
30 to 34 | 8563 | 8591 | 17,154 |
35 to 39 | 8025 | 8146 | 16,171 |
40 to 44 | 8138 | 8453 | 16,591 |
45 to 49 | 7681 | 7898 | 15,579 |
50 to 54 | 8173 | 8563 | 16,736 |
55 to 59 | 7494 | 7870 | 15,364 |
60 to 64 | 5939 | 6707 | 12,646 |
65 to 69 | 4944 | 5529 | 10,473 |
70 to 74 | 3329 | 3863 | 7,192 |
75 to 79 | 2218 | 2815 | 5,033 |
80 to 84 | 1351 | 2129 | 3,480 |
85+ | 1242 | 2414 | 3,656 |
Clay 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 | 106564 | 111688 | 218,252 |
WAC | 103488 | 108222 | 211,710 |
WA | 100653 | 105414 | 206,067 |
NHWAC | 96312 | 101252 | 197,564 |
NHWA | 93840 | 98802 | 192,642 |
BAC | 8468 | 8436 | 16,904 |
NHBAC | 7969 | 7933 | 15,902 |
H | 7828 | 7602 | 15,430 |
HWAC | 7176 | 6970 | 14,146 |
BA | 7080 | 7040 | 14,120 |
NHBA | 6752 | 6700 | 13,452 |
HWA | 6813 | 6612 | 13,425 |
AAC | 3362 | 3661 | 7,023 |
NHAAC | 3214 | 3520 | 6,734 |
TOM | 2995 | 2971 | 5,966 |
AA | 2580 | 2884 | 5,464 |
NHAA | 2506 | 2832 | 5,338 |
NHTOM | 2597 | 2581 | 5,178 |
IAC | 1781 | 1737 | 3,518 |
NHIAC | 1407 | 1379 | 2,786 |
IA | 736 | 698 | 1,434 |
NHIA | 564 | 536 | 1,100 |
HBAC | 499 | 503 | 1,002 |
NAC | 491 | 440 | 931 |
NHNAC | 427 | 361 | 788 |
HTOM | 398 | 390 | 788 |
HIAC | 374 | 358 | 732 |
HBA | 328 | 340 | 668 |
NA | 348 | 283 | 631 |
NHNA | 305 | 237 | 542 |
HIA | 172 | 162 | 334 |
HAAC | 148 | 141 | 289 |
HNAC | 64 | 79 | 143 |
HAA | 74 | 52 | 126 |
HNA | 43 | 46 | 89 |
• Jackson County population
21.8 mi, 168°
• Johnson County
36.8 mi, 215°
• Wyandotte County
22.9 mi, 232°
• Platte County
18.7 mi, 283°
• Buchanan County
31.5 mi, 319°
• Leavenworth County
34.2 mi, 255°
• Lafayette County
37.3 mi, 117°
• Ray County
22.8 mi, 91°
• Clinton County
20.3 mi, 3°
• Caldwell County
33.5 mi, 44°
[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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