Daylight through the yearLongest day (Jun 21): 14 h 53 min5:38 am – 8:30 pmShortest day (Dec 21): 9 h 28 min7:17 am – 4:44 pm
Sun todaySunrise –Sunset –
People43,195 residentsin the ZIP code areaMedian age 40.716,284 householdsMedian household income $114,442Median home value $351,000Median rent $1,749 a month88% of homes owner-occupiedMedian property tax $3,549 a yearSource: US Census Bureau, American Community Survey 2020-2024
Work and commuting3.5% unemployment rate69% of adults are in the labour force, 22,961 employedMain industries: education and health care 24%, manufacturing 12%, finance, insurance and real estate 12%Average commute 24 minutes74% drive alone, 5% car-pool, 20% work from homeSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
Education and languages49% of adults have a bachelor's degree or higher97% finished high school, 20% hold a graduate degreeLanguages at home: English only 95%, Spanish 1%, other Indo-European languages 1%1% speak English less than very wellSource: US Census Bureau, American Community Survey 2020-2024, ZIP area
ClimateWarmest month July: highs 88°F, lows 67°FColdest month January: highs 39°F, lows 21°F44 in of rain a year, on about 70 dayswettest month May14 in of snow a year, on about 12 days36 days above 90°F, 105 nights below freezing in a typical yearSource: NOAA 1991-2020 Climate Normals, Weldon Spring Nws station
Nearby landmarksMononame 207 Reservoirreservoir · under a mileAugust A Busch Lake Number 9lake · 1.4 miWeldon Springsspring · under a mileAugust A Busch Lake Number 11lake · 1.5 miSaint Charles Community College Dardenne Creek Campuscollege · 3.2 miLewis and Clark Trailheadtrailhead · 2.3 miSource: USGS Geographic Names Information System
Parks and public landsWeldon Spring Hollow Natural Areastate conservation land · 1.5 mi · 367 acresWeldon Spring Conservation Areastate conservation land · 1.9 mi · 7,991 acresBusch (August A.) Memorial Conservation Areastate conservation land · 2.2 mi · 7,006 acresHowell Island Conservation Areastate conservation land · 2.2 mi · 2,707 acresWeldon Spring City Parkpark · 2.0 miOfallon Sports Parkrecreation area · 2.2 mi · 173 acresSource: USGS Protected Areas Database (PAD-US)
Earthquakes7 of magnitude 3 or more within 50 miles since 19702 of magnitude 4+, 0 of magnitude 5+Largest: magnitude 4.2 on 11 Dec 197646 mi away, near Sullivan, MissouriMost recent: magnitude 3.9 on 7 Jun 201145 mi awaySource: USGS Earthquake Catalog
Natural hazardsOverall risk Relatively ModerateSt. Charles County, MO, compared with all US countiesHigher-risk hazardsStrong wind Very HighHail Relatively HighTornado Relatively HighRiver flooding Relatively HighSource: FEMA National Risk Index (county level)
Air quality80% of days had good air in 2025248 of 309 days measured57 moderate, 3 unhealthy for sensitive groups, 1 unhealthy daysMedian index 40, worst day 164main pollutant: ozoneSource: US EPA Air Quality Index, Saint Charles County monitors, MO
Internet at home95% of households have a broadband subscription88% have cable, fibre or DSL5% rely on a mobile data plan alone2% have no internet at homeSource: US Census Bureau, American Community Survey 2020-2024
Drinking waterSt Charles PWSserves 78,961 people from surface water purchasedNo health-based violations since 20211 monitoring or reporting violation since 2021Source: US EPA Safe Drinking Water Information System, largest system serving the town
Elevation625 ft191 m above sea levelSource: USGS 3D Elevation Program
Local servicesHospitalProgress West Hospital1.0 miPost officeCottleville Post Office3.3 miTown hallWeldon Spring City Hall2.0 miPoliceCottleville Police Department3.5 miFire stationCottleville Fire Station 3under a mileSource: USGS National Structures Dataset
SchoolsWithin 2 mi7 schools1 elementary, 2 middle, 2 high, 2 otherSchoolMessiah Lutheran School1.0 miElementaryIndependence Elementary School1.0 miMiddleFrancis Howell Middle School1.1 miCollegeSaint Charles Community College Dardenne Creek Campus3.2 miSource: USGS National Structures Dataset
Getting aroundAirportSt. Louis Lambert International Airport STL17 miInterstateI-64under a mileUS highwayUS 61under a mileAmtrakKirkwood, MO KWD17 miCoachChesterfield, MO (Chesterfield Mall - Cheesecake Factory - Mall loop)OurBus7.6 miSources: OurAirports; US Census Bureau TIGER roads; Bureau of Transportation Statistics NTAD
Distances in these cards are measured from the centre of the 63304 ZIP area.