Cities Countries Rankings Compare Map Metrics

/

A modern, open atlas of statistics for every country and 33,000+ cities. Built on free authoritative data.

Explore

Cities
Countries
Interactive map
Rankings
Compare places

Data

All metrics
Data sources
Methodology
Public API

Topics

Digital nomads
UK in depth
UK house prices
UK crime
Cost of living

About

About STATLAS
Privacy
Terms

© 2026 STATLAS. Data under CC BY 4.0 from World Bank, GeoNames, Open-Meteo & others.

Indices labeled “modeled” are computed estimates — see methodology.

CitiesSan Luis ObispoPopulation

Population in San Luis Obispo

United States · San Luis Obispo profile

Population

47,339

people

World rank

#12790

of 33750

Percentile

62%

higher is better

Data quality

Measured

Total resident population.

Source: GeoNames · source data.

See full ranking About this metric San Luis Obispo profile

FAQ

Frequently asked

What is the population in San Luis Obispo?

San Luis Obispo has a population of 47,339 people. Total resident population.

How does San Luis Obispo rank for population?

San Luis Obispo ranks #12790 of 33750 cities for population (higher is better).