Last official estimated population of Buchanan County was 89,095 (year 2014)[1]. This was 0.028% of total US population and 1.5% of total Missouri state population. Area of Buchanan County is 414.7 mi² (=1074 km²), in this year population density was 214.86 p/mi². If population growth rate would be same as in period 2010-2014 (-0.03%/yr), Buchanan County population in 2025 would be 88,804 [0].
Historical population of Buchanan County for period 1840-2014 [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
[1840-1850] +7.6 %/yr
[1850-1860] +6.28 %/yr
[1860-1870] +3.94 %/yr
[1870-1880] +3.56 %/yr
[1880-1890] +3.48 %/yr
[1890-1900] +5.68 %/yr
[1900-1910] -2.66 %/yr
[1910-1920] +0.07 %/yr
[1920-1930] +0.52 %/yr
[1930-1940] -0.47 %/yr
[1940-1950] +0.29 %/yr
[1950-1960] -0.66 %/yr
[1960-1970] -0.41 %/yr
[1970-1980] +0.11 %/yr
[1980-1990] -0.56 %/yr
[1990-2000] +0.35 %/yr
[2000-2005] +0.08 %/yr
[2005-2010] +0.65 %/yr
[2010-2014] -0.03 %/yr
Looking for settlements in Buchanan County? Visit this page: Settlements in Buchanan County, MO
Population of Buchanan County by age groups male (M) and female (F)[1b]
Age Gr. | (M) | (F) | Total |
0 to 4 | 3029 | 2971 | 6,000 |
5 to 9 | 2980 | 2870 | 5,850 |
10 to 14 | 2810 | 2598 | 5,408 |
15 to 19 | 2816 | 2714 | 5,530 |
20 to 24 | 3561 | 3196 | 6,757 |
25 to 29 | 3511 | 3069 | 6,580 |
30 to 34 | 3338 | 2868 | 6,206 |
35 to 39 | 2965 | 2479 | 5,444 |
40 to 44 | 2776 | 2488 | 5,264 |
45 to 49 | 2844 | 2680 | 5,524 |
50 to 54 | 3297 | 3237 | 6,534 |
55 to 59 | 3090 | 3034 | 6,124 |
60 to 64 | 2520 | 2647 | 5,167 |
65 to 69 | 1930 | 2183 | 4,113 |
70 to 74 | 1360 | 1716 | 3,076 |
75 to 79 | 1006 | 1260 | 2,266 |
80 to 84 | 647 | 1072 | 1,719 |
85+ | 575 | 1349 | 1,924 |
Buchanan 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 | 42133 | 41955 | 84,088 |
WAC | 40755 | 41404 | 82,159 |
WA | 39744 | 40437 | 80,181 |
NHWAC | 38119 | 39165 | 77,284 |
NHWA | 37215 | 38300 | 75,515 |
BAC | 3943 | 2733 | 6,676 |
NHBAC | 3751 | 2578 | 6,329 |
H | 2922 | 2476 | 5,398 |
BA | 3298 | 2086 | 5,384 |
NHBA | 3172 | 1991 | 5,163 |
HWAC | 2636 | 2239 | 4,875 |
HWA | 2529 | 2137 | 4,666 |
TOM | 1062 | 1027 | 2,089 |
NHTOM | 945 | 918 | 1,863 |
AAC | 707 | 622 | 1,329 |
NHAAC | 659 | 578 | 1,237 |
IAC | 571 | 543 | 1,114 |
AA | 550 | 477 | 1,027 |
NHAA | 520 | 448 | 968 |
NHIAC | 439 | 433 | 872 |
IA | 269 | 253 | 522 |
NAC | 185 | 196 | 381 |
NHIA | 181 | 184 | 365 |
HBAC | 192 | 155 | 347 |
NHNAC | 140 | 154 | 294 |
NA | 132 | 151 | 283 |
HIAC | 132 | 110 | 242 |
HTOM | 117 | 109 | 226 |
HBA | 126 | 95 | 221 |
NHNA | 100 | 114 | 214 |
HIA | 88 | 69 | 157 |
HAAC | 48 | 44 | 92 |
HNAC | 45 | 42 | 87 |
HNA | 32 | 37 | 69 |
HAA | 30 | 29 | 59 |
• Clay County population
31.5 mi, 139°
• Wyandotte County
37.7 mi, 176°
• Platte County
19.6 mi, 172°
• Leavenworth County
34.8 mi, 200°
• Clinton County
22.2 mi, 99°
• Andrew County
22.7 mi, 0°
• Atchison County
28.3 mi, 251°
• DeKalb County
26.7 mi, 52°
• Doniphan County
20.1 mi, 296°
• Holt County
37.1 mi, 324°
[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
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