West Alton, Missouri

West Alton: City in Saint Charles County, Missouri, United States

About

West Alton is a city located in the county of Saint Charles in the U.S. state of Missouri. Its population at the 2010 census was 522 and a population density of 5 people per km². After 10 years in 2020 city had an estimated population of 529 inhabitants.

Quick Facts about West Alton

Population 529 (2020)
Country United States of America
State Missouri (United States)
County Saint Charles County
Phone Area Codes 573
Area 95.97 km2
Latitude & Longitude 38.8651,-90.2226
Altitude 443 feet / 135 meters
Time Zone America/Chicago
Local time 11:24:15 (15th April 2026)
Postal code 63386
Density 6 Pop. per km² as of 2020
Population growth 1.32% (2010-2020)
Weather 81℉ Showers And Thunderstorms Likely 7-days weather

Geography

West Alton is located at 38°51'54"N 90°13'21"W (38.8650500, -90.2226100).

West Alton map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

81°F
Showers And Thunderstorms Likely
13 to 16 mph SW Wednesday

Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Chance of precipitation i...

7-Day Forecast

Demographics

The population of West Alton increased by 1.32% in 10 years.

Year Population % Change Method
2010 522 - census
2011 522 0% estimation process
2012 523 0.19% estimation process
2013 527 0.76% estimation process
2014 529 0.38% estimation process
2015 529 0% estimation process
2016 531 0.38% estimation process
2017 530 -0.19% estimation process
2018 530 0% estimation process
2019 527 -0.57% estimation process
2020 529 0.38% estimation process
West Alton zip code is 63386. County name: St. Charles, County fips: 29183
Westalton

Services and Civic Places in West Alton

1West Alton City Hall

Rating: 5 (1)

111 Richard Dr, West Alton, MO 63386 View details

Phone: +16368991734 | Website available

Nearby Schools and Colleges

Schools and campuses linked to West Alton, MO. Select a name to open its map and contact details.

Code Name City ZIP
446084 CALC Institute of Technology Alton (IL) 62002

Nearby Transit Stations (8)

Rail and bus stations connected to West Alton, MO. Select a station to open its map and address details.

Code Name Address Type
ALN Alton 3400 College Ave. RAIL
STL Gateway Transportation Center 551 South 16th St. RAIL
KWD Kirkwood 110 West Argonne Dr. RAIL
CRV Carlinville 128 Alton Rd. RAIL
WAH Washington 301 West Front St. RAIL

Closest post offices linked to West Alton.

Post Office Name City ZIP
West Alton Post Office West Alton (MO) 63386

Other cities in Saint Charles County

Cities, towns, neighborhoods & other populated places in Saint Charles County , MO.

City Name Population Title
O'Fallon 89,769 The most populous city in St.
Saint Charles 71,761 A city in St.
Saint Peters 58,043 The most populous city in St.
Wentzville 43,109 A city in St.
Lake Saint Louis 17,186 City in Saint Charles County, Missouri, United States
Dardenne Prairie 13,397 City in Saint Charles County, Missouri, United States
Cottleville 5,925 City in Saint Charles County, Missouri, United States
Weldon Spring 5,546 City in Saint Charles County, Missouri, United States
Saint Paul 2,796 City in St.
Foristell 618 City in Saint Charles County, Missouri, United States
New Melle 506 City in Saint Charles County, Missouri, United States
Josephville 485 Human settlement in St.
Portage Des Sioux 329 City in St.
Augusta 267 City in St.
Weldon Spring Heights 90 Village in the United States