How large is Los Angeles?/How big is Los Angeles?
Generally, people will answer with population data and or in general ways, for instance comparing with other cities.http://www.ottawa.com/about/faq_e.shtmlhttps://answers.yahoo.com/question/inde ... 537AAKnUQ5
As an option you could ask:
How would you describe your city? the economy, the weather, the community, the schools, etc.
From the description you can have not only the size of the population´s info, but other things as well.