The Town Files

Clayton, Missouri

City in St. Louis County · population 17,355 (2020 Census)

Map: where Clayton is in MissouriClayton
Median home
$830,000
Household income
$123,000
Jan low / Jul high
25° / 90°
Snow a year
17 in
Tornadoes ≤10 mi since 1950
44
Median age
30.0

Clayton is a city of 17,355 people in St. Louis County, Missouri. The median home is worth $830,000, above the typical Missouri town ($153,900). It ranks more walkable than 100% of Missouri towns, better for young professionals than 100% of Missouri towns, more vibrant than 99% of Missouri towns.

Clayton in our rankings:

How Clayton 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.

Clayton lifestyle rankings vs other Missouri townsRetirement53rd pctFamilies27th pctQuiet1st pctWalkability100th pctFirst-time buyersbottomYoung professionals100th pctVibrancy99th pctHip & trendy97th pctCollege town97th pctUpscale98th pctVacation homesbottomSeaside characterbottomCycling98th pctTransit98th pctDrivingbottomtypical
The Town Files lifestyle rankings, built from federal demographic, school, crime and housing data (2025).

Homes and cost of living

The median home in Clayton is worth $830,000, above the typical Missouri town ($153,900). Homes cost about 6.7 times the median household income of $123,000, which is more affordable than 0% of Missouri towns. Median rent is $1,692 a month. 54.9% of households own their home.

Clayton vs St. Louis County vs typical Missouri townClaytonSt. Louis CountyTypical Missouri townHome value$830,000$276,800$153,900Household income$123,000$82,936$56,368Monthly rent$1,692$1,209$855
Census ACS 5-year estimates, 2020–2024. "Typical town" = median of Missouri towns with 500+ people.
HousingClaytonTypical Missouri town
Median home value$830,000$153,900
Median rent$1,692$855
Median household income$123,000$56,368
Home value ÷ income6.7×2.7×
Homeownership54.9%67.4%
Median year built19541972
Seasonal / vacation homes0.3%—

Who lives in Clayton

PeopleClaytonTypical Missouri town
Median age30.038.6
Age 65 and over13.9%17.7%
Under 1817.7%—
Bachelor's degree or higher84.9%18.9%
Below the poverty line8.0%14.6%
Veterans2.2%—
Born outside the U.S.13.9%—
Work from home23.4%7.9%
Average commute16.6 min23.1 min
Homes with broadband96.0%88.7%

Weather in Clayton

July highs average 89.6°F and January lows 24.6°F. About 43.9 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 79 nights at or below freezing.

Clayton monthly temperatures and precipitation20°30°40°50°60°70°80°90°32° freezing41°25°Jan46°28°Feb56°38°Mar68°48°Apr77°59°May86°67°Jun90°72°Jul89°70°Aug82°62°Sep70°50°Oct56°39°Nov45°30°DecPrecipitation (in) · snow (in) in blue2.75.72.34.33.62.34.80.24.94.74.23.83.43.23.70.92.63.2
NOAA 1991–2020 climate normals: average daily high and low by month; precipitation and snowfall in inches. Temperatures from the St Louis Sci Ctr station (3.4 mi away); snow from St Louis Lambert Intl Ap (7.8 mi).

Tornadoes, storms and disasters

44 tornadoes have passed within 10 miles of Clayton since 1950, compared with 23 for the typical Missouri town. 15 rated (E)F2 or stronger. The strongest, an EF4, struck on April 22, 2011 about 6.7 miles from the town center. Tornadoes within 10 miles have caused 30 deaths and 636 injuries since 1950. The most recent was on June 21, 2026.

Tornadoes within 10 miles of Clayton by decade71950s31960s41970s31980s21990s42000s102010s112020s
NOAA Storm Events Database, tornado tracks (start to end point) passing within 10 miles of the town center, 1950–2026.

Hail of 1 inch or larger has been reported within 10 miles 325 times; the largest was 4.50 inches on May 25, 2011.

Severe weather in St. Louis County since 1996

Storm events in St. Louis County since 1996 by typeHail522Heat57Flood21Drought8Tornado39High Wind13Lightning16Heavy Snow12
NOAA Storm Events Database, St. Louis County, 1996–2026 (all event types recorded since 1996). 59 deaths recorded.

St. Louis County has been included in 34 federal disaster or emergency declarations since 1953, most often for flood, drought, tornado.

DeclaredIncidentDeclaration
June 9, 2025Severe StormDR-4877: Severe Storms, Straight-Line Winds, Tornadoes, And Flooding
May 21, 2025Severe StormDR-4867: Severe Storms, Straight-Line Winds, Tornadoes, And Wildfires
August 8, 2022FloodDR-4665: Severe Storms And Flooding
March 26, 2020BiologicalDR-4490: Covid-19 Pandemic
March 13, 2020BiologicalEM-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 Clayton itself the ACS puts it at 3.6%.

Largest industries in St. Louis CountyHealth care & social assistan…98,227 jobs · $64,316Retail57,413 jobs · $43,471Manufacturing48,908 jobs · $95,460Hotels & restaurants48,090 jobs · $28,269Administrative & support41,846 jobs · $71,039Professional & technical serv…39,204 jobs · $109,660
BLS Quarterly Census of Employment and Wages, 2024, private-sector jobs and average annual pay.
Unemployment rate in St. Louis County, 2000–20230%2%4%6%8%10%2000200420082012201620202023St. Louis 3%
Annual average unemployment rate (BLS Local Area Unemployment Statistics via USDA ERS).

Public schools in Clayton

7 public schools with 2,454 students, about 10.3 students per teacher.

SchoolGradesStudentsPer teacher
CLAYTON HIGH9-1284411.0
WYDOWN MIDDLE6-85749.9
MERAMEC ELEM.K-539312.7
GLENRIDGE ELEM.K-531810.6
RALPH M. CAPTAIN ELEM.K-52879.3
JUVENILE DETENTION CTR.6-12383.8
FAMILY CTR.PK-PK——

Towns near Clayton

Clayton questions

Is Clayton, Missouri a good place to retire?

On The Town Files lifestyle rankings, Clayton scores better for retirees than 53% of Missouri towns and quieter than 1%. 13.9% of residents are 65 or older (median age 30.0).

How much does a house cost in Clayton?

The median owner-occupied home in Clayton is valued at $830,000 (Census ACS 2020–2024), against a median household income of $123,000, so homes cost about 6.7 times income. Median rent is $1,692 a month.

What is the weather like in Clayton?

July highs average 89.6°F and January lows 24.6°F (NOAA 1991–2020 normals). It gets about 43.9 inches of precipitation a year and 16.6 inches of snow.

Does Clayton get tornadoes?

44 tornadoes have passed within 10 miles of Clayton since 1950 (NOAA Storm Events); the strongest was an EF4 on April 22, 2011. The typical Missouri town has had 23.

How this page is made. Every number comes from public data, matched to Clayton's Census boundary (GEOID 2914572). Comparisons use the median of Missouri towns with at least 500 people. Weather comes from the nearest NOAA normals station; storm counts use NOAA tornado tracks within 10 miles of the town center. Data snapshot 2026-11-13.