Boone County vs St. Charles County

A side-by-side comparison of Boone County and St. Charles County: population, income, housing, and more.

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

St. Charles County has the higher population (409,830 vs 185,874 in Boone County). St. Charles County has the higher median household income ($102,912 vs $69,913 in Boone County). St. Charles County has the higher median home value ($296,800 vs $254,100 in Boone County).

Population, income & housing

	Boone County	St. Charles County
Population	185,874	409,830
Median age	32.2 yrs	39.6 yrs
Median household income	$69,913	$102,912
Median home value	$254,100	$296,800
Median gross rent	$1,060	$1,312
Housing units	80,912	164,594
Homeownership rate	58.1%	80.7%
Bachelor's degree or higher	51.0%	42.4%
Unemployment rate	3.7%	2.8%

Trends (ACS 5-year, 2019–2023)

	Boone County	St. Charles County
Population	177,651 → 185,874 (+4.6%)	394,290 → 409,830 (+3.9%)
Median household income	$55,328 → $69,913 (+26.4%)	$84,978 → $102,912 (+21.1%)
Median home value	$185,700 → $254,100 (+36.8%)	$219,100 → $296,800 (+35.5%)
Median gross rent	$876 → $1,060 (+21.0%)	$1,041 → $1,312 (+26.0%)

Boone County

Population

177,651185,874

Median household income

$55,328$69,913

Median home value

$185,700$254,100

Median gross rent

$876$1,060

St. Charles County

Population

394,290409,830

Median household income

$84,978$102,912

Median home value

$219,100$296,800

Median gross rent

$1,041$1,312

Age & race/ethnicity

Age distribution (share)

	Boone County	St. Charles County
Under 5	5.5%	5.5%
5 to 17	14.9%	17.3%
18 to 24	18.9%	8.1%
25 to 34	14.5%	12.4%
35 to 44	12.4%	14.1%
45 to 54	10.2%	12.5%
55 to 64	10.6%	13.5%
65 to 74	8.1%	9.8%
75 and over	5.0%	6.6%

Race & ethnicity (share)

	Boone County	St. Charles County
White (non-Hispanic)	76.4%	83.9%
Black or African American	9.3%	4.9%
American Indian & Alaska Native	0.1%	0.0%
Asian	4.6%	2.8%
Native Hawaiian & Pacific Islander	0.1%	0.0%
Some other race	0.4%	0.3%
Two or more races	4.6%	3.9%
Hispanic or Latino	4.4%	4.0%

Educational attainment (age 25+)

Share of adults 25+

	Boone County	St. Charles County
No high school diploma	5.4%	4.5%
High school graduate	20.1%	22.5%
Some college or associate's	23.4%	30.5%
Bachelor's degree	28.5%	26.8%
Graduate or professional degree	22.5%	15.6%

Commute to work

How workers get to work (share)

	Boone County	St. Charles County
Drove alone	75.8%	76.2%
Carpooled	8.4%	5.8%
Public transit	0.8%	0.1%
Walked	4.0%	0.7%
Bicycle	0.8%	0.0%
Worked from home	9.2%	16.0%
Other means	1.0%	1.3%

Housing

Units in structure (share)

	Boone County	St. Charles County
1-unit, detached	60.4%	74.6%
1-unit, attached	4.8%	7.6%
2 to 4 units	11.9%	3.8%
5 to 19 units	11.3%	7.0%
20 or more units	7.6%	4.3%
Mobile home & other	4.0%	2.8%

Poverty & households

	Boone County	St. Charles County
Poverty rate	17.1%	4.7%
Average household size	2.35	2.54
Mean commute (minutes)	19	25
Median year structure built	1991	1994