Clayton Missouri Profile and Resource Guide, City or community of Clayton, Missouri Facts, Information, Relocation, Real Estate, Advertising
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Saint Louis County,


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The Missouri state capital is Jefferson City.

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Statistics & Facts

The population of Clayton is approximately 12,825 (2000), 15939 (2010).
The approximate number of families is 5,800 (1990), 5322 (2010).

The amount of land area in Clayton is 6.398 sq. kilometers.
The amount of land area in Clayton is 2.5 sq. miles.
The amount of surface water is 0 sq kilometers.
The distance from Clayton to Washington DC is 755 miles. The distance to the Missouri state capital is 105 miles. (as the crow flies)
Clayton is positioned 38.64 degrees north of the equator and 90.32 degrees west of the prime meridian.

Clayton elevation is 570 feet above sea level.
Clayton median income is $64,184 (2000).

The Clayton median home price is $425,000 (2000).

Clayton miscellany.

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Clayton location: about 6.2 miles from St. Louis, Missouri in eastern Missouri. Nearby communities include Richmond Heights, University City, Brentwood, Maplewood, Pagedale, Vinita Terrace, Hanley Hills and Vinita Park.

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Climate & Weather

The average winter temperature is 29.5 degrees F.
The average spring temperature is 56.5 degrees F.
The average summer temperature is 80.3 degrees F.
The average fall temperature is 58.9 degrees F.

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History & History Related Items

Clayton history:

A history page for Clayton.

Born in Virginia in 1788, Ralph Clayton came to this area during the 1830's. When St. Louis County began to look for a new county seat after the city of St. Louis separated itself from the county, Clayton was able to convince them to use his community rather than Kirkwood or Mount Olive. He also agreed to give his land to the county, only requesting that the area of the new courthouse would be named for him. This is where the name of Clayton came from. On December 4, 1877, county residents voted to adopt Clayton's and Hanley's land as the new county seat. Clayton was a small town with few residents, so businesses in Clayton catered to the people who came in to conduct county business. By 1905, Clayton had its own schools, newspaper, trolley service, volunteer fire department, electric, water and phone lines.

The City of Clayton was formally incorporated in February 1913. William Broadhead was chosen as the first mayor. He was the man who built the first residence in Clayton back in the 1880's.
The incorporation date of Clayton: April 14, 1913

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