Buchanan County Population 2018

Buchanan County's estimated population is 89,065 with a growth rate of -0.32% in the past year according to the most recent United States census data. Buchanan County is the 13th largest county in Missouri.

Year Population Growth Growth Rate
201789,065-289-0.32%
201689,3541310.15%
201589,223-416-0.46%
201489,639-203-0.23%
201389,842-64-0.07%
201289,9062370.26%
201189,6695970.67%
201089,0725,9897.21%
199083,083-4,805-5.47%
198087,8889731.12%
197086,915-3,666-4.05%
196090,581-6,245-6.45%
195096,8262,7592.93%
194094,067-4,566-4.63%
193098,6334,9495.28%
192093,6846640.71%
191093,020-28,818-23.65%
1900121,83851,73873.81%
189070,10020,30840.79%
188049,79214,68341.82%
187035,10911,24847.14%
186023,86110,88683.90%
185012,9756,738108.03%
18406,2370.00%

Buchanan County Population Growth

Population Data via

Buchanan County Race Data

Race Population Percentage
White79,60289.38%
Black or African American5,2125.85%
Two or More Races2,1422.40%
Asian1,2251.38%
American Indian and Alaska Native5500.62%
Native Hawaiian and Other Pacific Islander2850.32%

Buchanan County Population Pyramid

0k1k2k3k4k Male Population0k1k2k3k4k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990