Augusta is a town in St. Charles County, Missouri, home to about 285 people across 0.9 square miles. It has no ZIP code of its own: it’s part of 63332.
Homes sold for a median of $227 per square foot in the three months ending August 2026, a balanced market.
Each card is that ZIP code’s whole market, including any part outside Augusta. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
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| Nearest major airport | St. Louis Lambert International Airport (STL)30 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO35 miles away |
| Nearest city of 1 million+ | Chicago, IL281 miles away |
Straight-line distances from the center of Augusta; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Augusta had 270 residents in the 2020 census, up 24% since 2000.
It’s the 650th largest of 1,060 towns in Missouri by population.
St. Charles County grew from 24,474 residents in 1900 to 405,262 in 2020.
St. Charles County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 88°F in summer, and winter lows average 20°F. About 44.2 inches of rain and melted snow fall in a typical year, with about 8 inches of snow.
Source: NOAA 1991–2020 climate normals, Washington, MO weather station (5 miles away).
143,624 jobs at 8,946 businesses in St. Charles County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
1 doctors and other health care providers list an office in Augusta.
Nearest hospitals
Providers with an office here
| Specialist doctors | 1 |
|---|
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Libraries (1 nearby)
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Public schools here are run by Washington. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Augusta ElementaryAugusta | K–6 | 104 | Public | 0.1 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.