Buchanan County, MO — Demographics & Population
Population, age distribution, race & ethnicity, and education data
Population Overview
Source: Census Bureau ACS (2023)Total Population
83,855
Male
42,462
50.6%
Female
41,393
49.4%
Median Age
38.9 yrs
Avg Household Size
2.4
Foreign Born
3.8%
Race & Ethnicity
Source: Census Bureau ACS (2023)Age Distribution
Source: Census Bureau ACS (2023)Education
Source: Census Bureau ACS (2023)Bachelor's or Higher15.9%
High School or Higher42.0%
Other Demographics
Source: Census Bureau ACS (2023)Veterans
6.0%
Disability
0.0%
Non-English Home
7.0%
Married
36.2%
Buchanan County, MO has a population of 83,855 according to 2023 Census Bureau estimates. The median age is 38.9 years. The largest racial or ethnic group is White at 82.3% of the population. 15.9% of residents hold a bachelor's degree or higher. 3.8% of residents are foreign-born.