Koch
Ghost town · St. Louis County, Missouri

Koch is a ghost town in St. Louis County, Missouri. It is one of 7 former communities in St. Louis County on the federal names register. That ranks the county 22nd among the 102 Missouri counties with a vanished settlement on record.
The U.S. Geological Survey lists Koch as a historical populated place on the Oakville topographic quadrangle: the name is no longer in official use for a community, whether the settlement was abandoned, absorbed into a neighbouring town or renamed. The recorded location is 38.4817° N, 90.2857° W.
Key facts
| USGS quadrangle | Oakville |
|---|---|
| Elevation | 480 ft |
| Nearest living town | Mehlville, MO |
| Distance to it | 2.1 miles |
| GNIS feature ID | 757411 |
| Coordinates | 38.48172, -90.28567 |
What's there now
Koch is no longer a community in its own right. The nearest living town is Mehlville, MO (population 29,089), about 2.1 miles away in a straight line, and the site sits at roughly 480 feet above sea level. Much of the land around former townsites is private; check access before you visit.
Nearby places
- Lakesideghost town · Jefferson County · 3.6 mi
- Pointghost town · St. Louis County · 6.8 mi
- Darmstadtghost town · St. Clair County · 7.8 mi
- Foster Pondghost town · Monroe County · 12.2 mi
- Engleghost town · Jefferson County · 12.7 mi
- National Cityghost town · St. Clair County · 13.2 mi
- Altheimghost town · St. Louis County · 15.1 mi
- Woodvilleghost town · Monroe County · 15.6 mi
- Times Beachghost town · St. Louis County · 17.3 mi
- Goldmanghost town · Jefferson County · 18.1 mi
- Sandy Creek Covered Bridge State Historic Sitecovered bridge · Jefferson County · 18.1 mi
- Ashlandghost town · St. Louis County · 21.5 mi
Questions
Where is Koch?
Koch is in St. Louis County, Missouri, at 38.4817, -90.2857.
How many ghost towns are in St. Louis County?
St. Louis County, Missouri has 7 ghost towns on record at Wayfarrow.
- USGS Geographic Names Information System (Domestic Names) — GNIS Domestic Names, feature record (public-domain)
- U.S. Census Bureau TIGER/Line and ACS — Census Gazetteer + ACS 5-year population (public-domain)
Facts marked "approximately" carry an uncertain date in the source. Text on this page is generated from the sources above; no encyclopedia prose is copied. Last updated 2026-11-05.