Lime disease rates of infection and therefore risk is higher outside of cities. Of course dramatically larger populations have more cases. So you need to look at county level vaccination data which shows some dramatic difference between urban and exurban populations.

Garret county MD with a population density of 17 people per km2 is 53% vaccination for 12+ where Montgomery county MD 810/km2 is 94% for 12+.

Bedford county PA (19/km2) is 42% for 12+ where Chester county PA (274.9/km2) is 82% for 12+.

https://www.nytimes.com/interactive/2020/us/covid-19-vaccine... https://www.cdc.gov/lyme/datasurveillance/maps-recent.html