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St. John

A city of 6,527 people in Missouri
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Around town

The places and views that make it St. John

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Outdoors in St. John

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Map of St. John: conserved land, trails and the top places to walk
Conserved land1.9%18 of 907 acres
Trails0.4 mi0.3 mi per sq mi
Parks & preserves33 conserved acres per 1,000 residents

Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US

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Know St. John

The town at a glance, and the guide to how things work

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About St. John

City in Missouri, United States
6,643Population
1.4 sq miArea
646 ftElevation

St. John or Saint John is a city in St. Louis County, Missouri, United States, with its commercial district centered along St. Charles Rock Road. It is a few miles southeast of Lambert-St. Louis International Airport. As of the 2020 census, the city population was 6,643.

From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)

Living in St. John

Housing in St. John

$138K▲ 4.7% in a year Typical home value · Zillow

The typical St. John home is worth about $138,000, up 4.7% in a year, 48% below the Missouri typical home.

A strong seller's market

Buyer’sBalancedSeller’s
Days on market37
Sale-to-list95.3%
Sold in April5
Zillow Home Value Index · Redfin Data CenterHousing market →

Safety in St. John

D

Safety Grade D

St. John reports more crime per resident than most U.S. towns we grade: about 89% report less.

Violent crime per 1,000
St. John 7.8
Missouri 4.3
U.S. 3.3
Property crime per 1,000
St. John 20.4
Missouri 16.9
U.S. 15.5
FBI crime data, 2025 · crimes reported to policeCrime & safety →

Health in St. John

D

Health Grade D

Healthier than 7% of U.S. towns on seven CDC estimates.

Compared with Missouri

1better than MO·21worse

of 32 measures CDC estimates. The other 10 are too close to call.

BetterToo close to callWorse

What stands out

Care nearby

Ssm Health Depaul Hospital St. LouisBridgeton · 5.4 mi · ER
John C Murphy Health CenterSaint Louis · 2.4 mi · sliding-scale fees
Primary careShortage · part of St. John
DentalNo shortage
Mental healthShortage · part of St. John
CDC PLACES 2025 · modeled estimates for adults · CDC's estimate for St. John · CMS · HRSAHealth in St. John →

Schools in St. John

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D

School Grade D

The public schools St. John’s kids attend, from kindergarten through graduation, trail 95% of Missouri’s districts on state tests and graduation. Among towns with similar incomes, they rank near the bottom.

School data from the U.S. Department of Education (NCES, EDFacts). The School Grade is our own summary of state test results and graduation rates, graded within MO. Ratings are from neighbors.

Famous people from St. JohnWriters, athletes, leaders and more who were born in St. John.Meet them →

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St. John

Missouri · MO
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Boundary source: https://tigerweb.geo.census.gov/arcgis/rest/services/TIGERweb/Places_CouSub_ConCity_SubMCD/MapServer/18 · 2025-01-01