Kinloch is a city in St. Louis County, Missouri, home to about 322 people across 0.7 square miles. Its ZIP code is 63140, and parts of 63134 are in Kinloch too.
Homes sold for a median of $115 per square foot in the three months ending August 2026, a seller’s market.
All in Kinloch
Mostly Berkeley; part is in Kinloch
Each card is that ZIP code’s whole market, including any part outside Kinloch. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Kinloch’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | St. Louis Lambert International Airport (STL)2 miles away |
|---|---|
| Nearest city of 250,000+ | St. Louis, MO9 miles away |
| Nearest city of 1 million+ | Chicago, IL255 miles away |
Straight-line distances from the center of Kinloch; 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.
Kinloch had 263 residents in the 2020 census, down 41% since 2000.
It’s the 624th largest of 1,060 towns in Missouri by population.
St. Louis County grew from 50,040 residents in 1900 to 1,004,125 in 2020.
St. Louis County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 24°F. About 41.7 inches of rain and melted snow fall in a typical year, with about 17 inches of snow.
Source: NOAA 1991–2020 climate normals, St Louis Lambert Intl Ap, MO weather station (2 miles away).
629,036 jobs at 29,717 businesses in St. Louis County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
Nearest hospitals
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances.
Grocery stores
Pharmacies
Libraries
Museums
Theaters and performance venues
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.
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Shares ZIP codes with Berkeley, Woodson Terrace and Edmundson.
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.