HomeMissouriSt. Charles CountyWest Alton
West Alton, Missouri: commercial real estate data.
West Alton is a Census city of 467 people across 28.81 square miles of land, in St. Charles County. Median household income is $111,500, 85.7 percent of occupied homes are owned.
Underlined figures are computed by MMCG Analytics, not published by the agency.
West Alton
What West Alton is
- Census place typecity
- Land area28.81 sq mi
- Water area8.26 sq mi
- Population per square mile of land16 plus or minus 4
- County holding the largest share of its areaSt. Charles County, 100.0 percent
US Census Bureau, cartographic boundary file, places, 2024 vintage. US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Alton
How many people live in West Alton
- Population467 plus or minus 120
- Median age36.5
- Population under 18142 plus or minus 49
- Share under 1830.4 percent plus or minus 6.9
- Population 65 and over57 plus or minus 24
- Share 65 and over12.2 percent plus or minus 4.1
- Households154 plus or minus 32
- Family households114 plus or minus 29
- Share of households that are families74.0 percent
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Alton
Income and work in West Alton
- Median household income$111,500 plus or minus $51,317
- Per capita income$35,343
- Civilian labor force241 plus or minus 62
- Employed229 plus or minus 61
- Unemployed12 plus or minus 9
- Unemployment rate5.0 percent plus or minus 3.5
- Adults 25 and over306 plus or minus 70
- Adults 25 and over with a high school diploma or higher92.8 percent plus or minus 29.0
- Adults 25 and over with a bachelor degree or higher22.5 percent plus or minus 9.4
- Adults 25 and over with a graduate degree4.6 percent plus or minus 5.5
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Alton
Housing in West Alton
- Housing units218 plus or minus 46
- Occupied units154 plus or minus 32
- Vacant units64 plus or minus 35
- Vacancy rate29.4 percent plus or minus 14.8
- Owner occupied132 plus or minus 31
- Renter occupied22 plus or minus 14
- Ownership rate85.7 percent
- Median owner-occupied home value$153,100 plus or minus $65,393
- Median gross rent, monthly$1,375
- Annual rent as a share of median income14.8 percent plus or minus 7.4
- Single family units216 plus or minus 48
- Share single family99.1 percent
- Units in buildings of two or more0
- Share in buildings of two or more0.0 percent
- Mobile homes1 plus or minus 3
- Median year structure built1960
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Alton
How West Alton gets to work
- Workers 16 and over who commute205 plus or minus 58
- Commuting under 15 minutes9 plus or minus 15
- Share commuting under 15 minutes4.4 percent plus or minus 7.2
- Commuting 30 minutes or more110 plus or minus 45
- Share commuting 30 minutes or more53.7 percent plus or minus 15.7
- Drove alone88.2 percent
- Carpooled0.9 percent plus or minus 0.8
- Public transport0.0 percent
- Walked0.9 percent plus or minus 1.3
- Worked from home10.1 percent plus or minus 9.7
US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
West Alton
Flood risk in West Alton
- NFIP communityTown of West Alton
- NFIP community number290924
- Participating in the NFIPYes
- Community Rating System classNone
- Currently effective map date01/20/16
The Town of West Alton participates in the National Flood Insurance Program as community 290924 and carries no Community Rating System class, so no CRS premium discount applies to it.
Federal Emergency Management Agency, NFIP Community Status Book (OpenFEMA), as of 2026-09-26.
St. Charles County, not West Alton
St. Charles County context, not West Alton figures
- Establishments in St. Charles County8,946
- Covered employment, St. Charles County162,611
- Average annual pay, St. Charles County$60,105
- Housing units permitted, St. Charles County2,040
Every figure in this section is published for St. Charles County as a whole and is not a measurement of West Alton.
All St. Charles County figures →
US Census Bureau, County Business Patterns, 2023. US Bureau of Labor Statistics, Quarterly Census of Employment and Wages, 2024 annual averages. US Census Bureau, Building Permits Survey, 2024 annual.
Coverage
What this page does not hold.
Parcel detail, zoning and the flood zone at an address are not on this page; they resolve at the address in the platform. How this page was built →
Common questions
West Alton questions, answered from the record.
How many people live in West Alton, Missouri?
467, in 154 households. West Alton city covers 28.81 square miles of land, which is 16 people per square mile. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
What county is West Alton in?
St. Charles County, which holds 100.0 percent of the place by area. Source: US Census Bureau, cartographic boundary file, places, 2024 vintage.
What is the median household income in West Alton?
$111,500. The median owner-occupied home is valued at $153,100. Median gross rent is $1,375 per month. Source: US Census Bureau, American Community Survey 5-Year Estimates, place level, 2020-2024 5-year.
Is West Alton in the National Flood Insurance Program?
Yes. West Alton appears in the FEMA Community Status Book as West Alton, town of, community 290924, with no Community Rating System class, so no CRS discount applies. Whether a specific parcel sits in a mapped special flood hazard area is an address level question the platform answers.
Are the county figures on this page West Alton figures?
No, and they are labeled so. County Business Patterns, QCEW, the Building Permits Survey, BEA product and IRS migration are published for St. Charles County as a whole and there is no place level equivalent. They appear in one clearly marked section as context and are never presented as measurements of West Alton.
Is zoning published for West Alton?
No. Nothing on this page presents parcel level zoning.