Population.us

Population of Clayton, CA

Last official estimated population of Clayton city (Contra Costa County**, California state) was 11,690 (year 2014)^[1]. This was 0.004% of total US population and 0.03% of total California state population. Area of Clayton city is 3.8 mi² (=9.9 km²)^[6], in this year population density was 3,044.27 p/mi². If population growth rate would be same as in period 2010-2014 (+1.77%/yr), Clayton city population in 2026 would be 14,432*.

Historical population

Historical population of Clayton city for period 1970-2014:

Clayton city on population map

Estimated population for 2014^[1]. Click on flag to hide it.

Population • Legends • Position

Settlements near Clayton city

• Concord city population 4.5 mi, 299°
• Antioch city 7.8 mi, 69°
• San Ramon city 12.1 mi, 180°
• Pittsburg city 5.7 mi, 13°
• Walnut Creek city 6.6 mi, 246°
• Brentwood city 11.5 mi, 91°
• Danville town 9.1 mi, 193°
• Martinez city 10.8 mi, 291°
• Pleasant Hill city 8 mi, 276°
• Lafayette city 10.9 mi, 251°

Sources, notices

*Calculated by population.us from last known population growth rate, not official data.

**Some cities are placed on more than one county. Only 1 county is shown.

[1] Cities and Towns (Incorporated Places and Minor Civil Divisions) 2014, archived from the original, retrieved 02/23/2016

[2] City and Town Intercensal Estimates (2000-2010), archived from the original, retrieved 02/23/2016

[3] Places: 1990 and 1999 Populations, With Numeric and Percent Population Change, archived from the original, retrieved 02/23/2016

[4] Population of the 100 Largest Urban Places: 1980,

[5] Population of the 100 Largest Urban Places in history,

[6] Area, latitude longitude data, retrieved 02/23/2016

[7] Through the Decades, Overview 1790-2010, PDF, large files! >100 Mb