West Alton

Population: 511
Median household income: $128,438
Median home value: $156,300

West Alton is a community in St. Charles County, Missouri, home to 511 residents. At $128,438, its median household income sits above St. Charles County's $102,912.

Between 2019 and 2023, West Alton's population grew 31.7% from 388 to 511, while its median home value rose 49.3% from $104,700 to $156,300.

97.3% of homes are single-family detached houses. The typical home was built around 1963.

Demographics

ACS 2019–2023

Population: 511
Median age: 36.7 yrs
Median household income: $128,438
Median home value: $156,300
Median gross rent: $1,313
Housing units: 223
Homeownership rate: 94.3%
Bachelor's degree or higher: 21.9%
Unemployment rate: 3.3%

Trends

ACS 5-year · 2019–2023

Population

388511

Median household income

$41,563$128,438

Median home value

$104,700$156,300

Median gross rent

$505$1,313

Year	Population	Median household income	Median home value	Median gross rent
2019	388	$41,563	$104,700	$505
2020	451	$47,604	$150,000	$521
2021	448	$90,536	$179,400	$806
2022	513	$102,969	$172,900	$900
2023	511	$128,438	$156,300	$1,313

Each year is a US Census Bureau ACS 5-year estimate ending that year.

Age distribution

Under 51.8%

5 to 1726.8%

18 to 244.5%

25 to 3411.9%

35 to 4421.7%

45 to 5410.4%

55 to 6411.5%

65 to 749.8%

75 and over1.6%

	Count	Share
Under 5	9	1.8%
5 to 17	137	26.8%
18 to 24	23	4.5%
25 to 34	61	11.9%
35 to 44	111	21.7%
45 to 54	53	10.4%
55 to 64	59	11.5%
65 to 74	50	9.8%
75 and over	8	1.6%

Race & ethnicity

	Count	Share
White (non-Hispanic)	501	98.0%
Black or African American	8	1.6%
American Indian & Alaska Native	0	0.0%
Asian	0	0.0%
Native Hawaiian & Pacific Islander	0	0.0%
Some other race	0	0.0%
Two or more races	2	0.4%
Hispanic or Latino (any race)	0	0.0%

Educational attainment (age 25+)

No high school diploma6.4%

High school graduate38.9%

Some college or associate's32.7%

Bachelor's degree18.7%

Graduate or professional degree3.2%

	Count	Share
No high school diploma	22	6.4%
High school graduate	133	38.9%
Some college or associate's	112	32.7%
Bachelor's degree	64	18.7%
Graduate or professional degree	11	3.2%

Commute to work

Mean travel time to work: 29 min

Drove alone89.4%

Carpooled0.4%

Public transit0.0%

Walked0.0%

Bicycle0.0%

Worked from home10.3%

Other means0.0%

How workers get to work

	Count	Share
Drove alone	235	89.4%
Carpooled	1	0.4%
Public transit	0	0.0%
Walked	0	0.0%
Bicycle	0	0.0%
Worked from home	27	10.3%
Other means	0	0.0%

Travel time

	Count	Share
Under 15 min	15	6.4%
15 to 29 min	90	38.1%
30 to 44 min	87	36.9%
45 to 59 min	44	18.6%
60+ min	0	0.0%

Households

Average household size: 3.21
Poverty rate: 1.8% (9 of 511)

	Count	Share
Family households	118	74.2%
Nonfamily households	41	25.8%

Housing

Median year structure built: 1963

Occupancy

	Count	Share
Occupied	159	71.3%
Vacant	64	28.7%

Tenure (of occupied units)

	Count	Share
Owner-occupied	150	94.3%
Renter-occupied	9	5.7%

1-unit, detached97.3%

1-unit, attached0.0%

2 to 4 units0.0%

5 to 19 units0.0%

20 or more units0.0%

Mobile home & other2.7%

Units in structure

	Count	Share
1-unit, detached	217	97.3%
1-unit, attached	0	0.0%
2 to 4 units	0	0.0%
5 to 19 units	0	0.0%
20 or more units	0	0.0%
Mobile home & other	6	2.7%

Geography

Place GEOID: 2978514
Type (LSAD): 25
Land area: 29 sq mi
Water area: 8.26 sq mi
Center point: 38.8629, -90.2039