Some of us disagree.
"How would you have done it? What issues would you have selected?"
The most important things I would look at are education outcomes of the first and second quartile (of household income) and the diversity of employment available.
I would also look at pollution levels, highway fatality rates, incarceration rates, certain crime rates, certain disease rates, services received for those dreaded taxes, entertainment and cuisine options, we could go on...
Big towns don't become cities and cities don't become big cities and big cities don't turn into metropolii through coercion. They're big because people run away from South Dakota and never go back. Freely.