Buchanan County vs Platte County

A side-by-side comparison of Buchanan County and Platte County: population, income, housing, and more.

Buchanan County and Platte County are counties in Missouri. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

Platte County has the higher population (108,751 vs 83,855 in Buchanan County). Platte County has the higher median household income ($95,748 vs $59,423 in Buchanan County). Platte County has the higher median home value ($317,600 vs $156,600 in Buchanan County).

Population, income & housing

	Buchanan County	Platte County
Population	83,855	108,751
Median age	38.9 yrs	38.7 yrs
Median household income	$59,423	$95,748
Median home value	$156,600	$317,600
Median gross rent	$889	$1,247
Housing units	38,415	46,045
Homeownership rate	64.9%	67.0%
Bachelor's degree or higher	23.3%	45.6%
Unemployment rate	4.5%	3.5%

Trends (ACS 5-year, 2019–2023)

	Buchanan County	Platte County
Population	88,460 → 83,855 (-5.2%)	100,682 → 108,751 (+8.0%)
Median household income	$51,916 → $59,423 (+14.5%)	$80,393 → $95,748 (+19.1%)
Median home value	$122,200 → $156,600 (+28.2%)	$226,500 → $317,600 (+40.2%)
Median gross rent	$779 → $889 (+14.1%)	$1,019 → $1,247 (+22.4%)

Buchanan County

Population

88,46083,855

Median household income

$51,916$59,423

Median home value

$122,200$156,600

Median gross rent

$779$889

Platte County

Population

100,682108,751

Median household income

$80,393$95,748

Median home value

$226,500$317,600

Median gross rent

$1,019$1,247

Age & race/ethnicity

Age distribution (share)

	Buchanan County	Platte County
Under 5	6.0%	5.8%
5 to 17	16.4%	17.6%
18 to 24	9.4%	7.8%
25 to 34	12.9%	13.3%
35 to 44	13.0%	14.3%
45 to 54	11.7%	12.9%
55 to 64	13.5%	12.6%
65 to 74	10.3%	9.7%
75 and over	6.8%	6.0%

Race & ethnicity (share)

	Buchanan County	Platte County
White (non-Hispanic)	80.7%	77.5%
Black or African American	5.6%	7.2%
American Indian & Alaska Native	0.2%	0.1%
Asian	1.2%	2.5%
Native Hawaiian & Pacific Islander	0.4%	0.5%
Some other race	0.1%	0.5%
Two or more races	4.6%	4.6%
Hispanic or Latino	7.0%	6.9%

Educational attainment (age 25+)

Share of adults 25+

	Buchanan County	Platte County
No high school diploma	10.2%	3.3%
High school graduate	38.2%	21.1%
Some college or associate's	28.2%	30.0%
Bachelor's degree	16.0%	28.2%
Graduate or professional degree	7.4%	17.4%

Commute to work

How workers get to work (share)

	Buchanan County	Platte County
Drove alone	80.2%	76.2%
Carpooled	10.2%	5.8%
Public transit	0.3%	0.2%
Walked	1.3%	0.4%
Bicycle	0.0%	0.0%
Worked from home	6.9%	16.1%
Other means	1.1%	1.5%

Housing

Units in structure (share)

	Buchanan County	Platte County
1-unit, detached	73.5%	66.1%
1-unit, attached	2.1%	6.4%
2 to 4 units	7.5%	8.5%
5 to 19 units	7.2%	11.5%
20 or more units	5.5%	7.0%
Mobile home & other	4.1%	0.5%

Poverty & households

	Buchanan County	Platte County
Poverty rate	16.9%	6.8%
Average household size	2.41	2.49
Mean commute (minutes)	18	24
Median year structure built	1964	1991