The Town FilesClarkson Valley, Missouri
City in St. Louis County · population 2,609 (2020 Census)
- Median home
- $867,000
- Household income
- $247,000
- Jan low / Jul high
- 22° / 90°
- Snow a year
- 8 in
- Tornadoes ≤10 mi since 1950
- 37
- Median age
- 44.9
Clarkson Valley is a city of 2,609 people in St. Louis County, Missouri. The median home is worth $867,000, above the typical Missouri town ($153,900). It ranks better for families than 100% of Missouri towns, more upscale than 99% of Missouri towns, better for retirees than 93% of Missouri towns.
How Clarkson Valley 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 Clarkson Valley is worth $867,000, above the typical Missouri town ($153,900). Homes cost about 3.5 times the median household income of $247,000, which is more affordable than 19% of Missouri towns. 96.5% of households own their home.
| Housing | Clarkson Valley | Typical Missouri town |
|---|---|---|
| Median home value | $867,000 | $153,900 |
| Median rent | — | $855 |
| Median household income | $247,000 | $56,368 |
| Home value ÷ income | 3.5× | 2.7× |
| Homeownership | 96.5% | 67.4% |
| Median year built | 1982 | 1972 |
| Seasonal / vacation homes | 0.7% | — |
Who lives in Clarkson Valley
| People | Clarkson Valley | Typical Missouri town |
|---|---|---|
| Median age | 44.9 | 38.6 |
| Age 65 and over | 17.3% | 17.7% |
| Under 18 | 27.8% | — |
| Bachelor's degree or higher | 80.2% | 18.9% |
| Below the poverty line | 3.0% | 14.6% |
| Veterans | 4.2% | — |
| Born outside the U.S. | 5.6% | — |
| Work from home | 36.8% | 7.9% |
| Average commute | 21.6 min | 23.1 min |
| Homes with broadband | 98.0% | 88.7% |
Weather in Clarkson Valley
July highs average 89.5°F and January lows 22.0°F. About 39.8 inches of rain and melted snow fall a year, with 8.1 inches of snow (typical Missouri town: 11.1 in). Expect about 45 days a year at 90°F or hotter and 105 nights at or below freezing.
Tornadoes, storms and disasters
37 tornadoes have passed within 10 miles of Clarkson Valley since 1950, compared with 23 for the typical Missouri town. 9 rated (E)F2 or stronger. The strongest, an EF4, struck on April 22, 2011 about 9.6 miles from the town center. Tornadoes within 10 miles have caused 14 deaths and 405 injuries since 1950. The most recent was on June 4, 2025.
Hail of 1 inch or larger has been reported within 10 miles 207 times; the largest was 3.00 inches on May 13, 2023.
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 Clarkson Valley itself the ACS puts it at 2.9%.
Towns near Clarkson Valley
- Chesterfield, MO2.4 mi · 49,999 people · home $472,500
- Ellisville, MO2.5 mi · 9,985 people · home $366,600
- Ballwin, MO3.1 mi · 31,103 people · home $377,100
- Wildwood, MO5.2 mi · 35,417 people · home $495,800
- Manchester, MO5.5 mi · 18,333 people · home $323,100
- Town and Country, MO6.3 mi · 11,640 people · home $928,500
- Weldon Spring, MO6.6 mi · 5,326 people · home $544,300
- Valley Park, MO7.4 mi · 6,885 people · home $251,000
Clarkson Valley questions
Is Clarkson Valley, Missouri a good place to retire?
On The Town Files lifestyle rankings, Clarkson Valley scores better for retirees than 93% of Missouri towns and quieter than 55%. 17.3% of residents are 65 or older (median age 44.9).
How much does a house cost in Clarkson Valley?
The median owner-occupied home in Clarkson Valley is valued at $867,000 (Census ACS 2020–2024), against a median household income of $247,000, so homes cost about 3.5 times income. Median rent is — a month.
What is the weather like in Clarkson Valley?
July highs average 89.5°F and January lows 22.0°F (NOAA 1991–2020 normals). It gets about 39.8 inches of precipitation a year and 8.1 inches of snow.
Does Clarkson Valley get tornadoes?
37 tornadoes have passed within 10 miles of Clarkson Valley 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)