Population.us

Population of San Luis Obispo, CA

Last official estimated population of San Luis Obispo city (San Luis Obispo County**, California state) was 46,730 (year 2014)^[1]. This was 0.015% of total US population and 0.12% of total California state population. Area of San Luis Obispo city is 13.3 mi² (=34.4 km²)^[6], in this year population density was 3,518.03 p/mi². If population growth rate would be same as in period 2010-2014 (+0.88%/yr), San Luis Obispo city population in 2024 would be 51,014*.

Historical population

Historical population of San Luis Obispo city for period 1880-2014:

San Luis Obispo city on population map

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

Population • Legends • Position

Settlements near San Luis Obispo city

• Santa Maria city population 26 mi, 151°
• Lompoc city 43 mi, 165°
• El Paso de Robles (Paso Robles) city 26 mi, 1°
• Atascadero city 15.4 mi, 354°
• Arroyo Grande city 10.6 mi, 155°
• Grover Beach city 10.2 mi, 165°
• Morro Bay city 13.6 mi, 301°
• Pismo Beach city 7.7 mi, 184°
• Guadalupe city 21.5 mi, 166°
• Buellton city 52.1 mi, 149°

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