The Town FilesSt. John, Missouri
City in St. Louis County · population 6,643 (2020 Census)
- Median home
- $106,300
- Household income
- $53,755
- Jan low / Jul high
- 24° / 90°
- Snow a year
- 17 in
- Tornadoes ≤10 mi since 1950
- 52
- Median age
- 36.0
St. John is a city of 6,643 people in St. Louis County, Missouri. The median home is worth $106,300, below the typical Missouri town ($153,900). It ranks hipper than 97% of Missouri towns, more walkable than 96% of Missouri towns, better transit than 96% of Missouri towns.
How St. John ranks
Percentile among Missouri towns with at least 500 people on The Town Files lifestyle rankings. 50 is typical for the state; 90 means better than 90% of Missouri towns.
Homes and cost of living
The median home in St. John is worth $106,300, below the typical Missouri town ($153,900). Homes cost about 2.0 times the median household income of $53,755, which is more affordable than 84% of Missouri towns. Median rent is $1,159 a month. 58.6% of households own their home.
| Housing | St. John | Typical Missouri town |
|---|---|---|
| Median home value | $106,300 | $153,900 |
| Median rent | $1,159 | $855 |
| Median household income | $53,755 | $56,368 |
| Home value ÷ income | 2.0× | 2.7× |
| Homeownership | 58.6% | 67.4% |
| Median year built | 1951 | 1972 |
| Seasonal / vacation homes | 0.0% | — |
Who lives in St. John
| People | St. John | Typical Missouri town |
|---|---|---|
| Median age | 36.0 | 38.6 |
| Age 65 and over | 16.0% | 17.7% |
| Under 18 | 22.1% | — |
| Bachelor's degree or higher | 19.9% | 18.9% |
| Below the poverty line | 15.4% | 14.6% |
| Veterans | 7.2% | — |
| Born outside the U.S. | 8.0% | — |
| Work from home | 11.7% | 7.9% |
| Average commute | 22.8 min | 23.1 min |
| Homes with broadband | 93.6% | 88.7% |
Weather in St. John
July highs average 89.6°F and January lows 23.8°F. About 41.7 inches of rain and melted snow fall a year, with 16.6 inches of snow (typical Missouri town: 11.1 in). Expect about 47 days a year at 90°F or hotter and 85 nights at or below freezing.
Tornadoes, storms and disasters
52 tornadoes have passed within 10 miles of St. John since 1950, compared with 23 for the typical Missouri town. 20 rated (E)F2 or stronger. The strongest, an EF4, struck on April 22, 2011 about 1.8 miles from the town center. Tornadoes within 10 miles have caused 29 deaths and 667 injuries since 1950. The most recent was on June 21, 2026.
Hail of 1 inch or larger has been reported within 10 miles 318 times; the largest was 4.50 inches on May 25, 2011.
Severe weather in St. Louis County since 1996
St. Louis County has been included in 34 federal disaster or emergency declarations since 1953, most often for flood, drought, tornado.
| Declared | Incident | Declaration |
|---|---|---|
| June 9, 2025 | Severe Storm | DR-4877: Severe Storms, Straight-Line Winds, Tornadoes, And Flooding |
| May 21, 2025 | Severe Storm | DR-4867: Severe Storms, Straight-Line Winds, Tornadoes, And Wildfires |
| August 8, 2022 | Flood | DR-4665: Severe Storms And Flooding |
| March 26, 2020 | Biological | DR-4490: Covid-19 Pandemic |
| March 13, 2020 | Biological | EM-3482: Covid-19 |
Jobs and pay in St. Louis County
St. Louis County had 596,676 jobs in 2024, paying an average of $75,926 a year. Unemployment was 3% in 2023; in St. John itself the ACS puts it at 6.3%.
Public schools in St. John
1 public school with 2,033 students, about 20.3 students per teacher.
| School | Grades | Students | Per teacher |
|---|---|---|---|
| RITENOUR SR. HIGH | 9-12 | 2,033 | 20.3 |
Towns near St. John
- Breckenridge Hills, MO1.2 mi · 4,458 people · home $96,100
- Woodson Terrace, MO1.2 mi · 3,950 people · home $104,000
- Overland, MO1.8 mi · 15,955 people · home $131,900
- Berkeley, MO2.2 mi · 8,228 people · home $82,300
- St. Ann, MO2.4 mi · 13,019 people · home $126,600
- Normandy, MO2.5 mi · 4,287 people · home $87,300
- Pagedale, MO3.2 mi · 2,554 people · home $75,200
- Olivette, MO3.4 mi · 8,504 people · home $460,800
St. John questions
Is St. John, Missouri a good place to retire?
On The Town Files lifestyle rankings, St. John scores better for retirees than 16% of Missouri towns and quieter than 5%. 16.0% of residents are 65 or older (median age 36.0).
How much does a house cost in St. John?
The median owner-occupied home in St. John is valued at $106,300 (Census ACS 2020–2024), against a median household income of $53,755, so homes cost about 2.0 times income. Median rent is $1,159 a month.
What is the weather like in St. John?
July highs average 89.6°F and January lows 23.8°F (NOAA 1991–2020 normals). It gets about 41.7 inches of precipitation a year and 16.6 inches of snow.
Does St. John get tornadoes?
52 tornadoes have passed within 10 miles of St. John since 1950 (NOAA Storm Events); the strongest was an EF4 on April 22, 2011. The typical Missouri town has had 23.
- U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024)
- U.S. Census Bureau, 2020 Census and 2025 Gazetteer (2020 / 2025)
- NOAA NCEI U.S. Climate Normals (1991–2020)
- NOAA NCEI Storm Events Database (1950–2026)
- FEMA OpenFEMA Disaster Declarations (this product uses the FEMA OpenFEMA API but is not endorsed by FEMA) (1953–2026)
- NCES Common Core of Data (2023–24)
- BLS Quarterly Census of Employment and Wages; USDA ERS county unemployment (BLS LAUS) (2000–2024)
- The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025)