Counties With the Worst Allergies in Every State

Source: Thinkstock

31. North Carolina
> County: Rowan
> Population: 139,142
> Children with asthma: 2,800
> Pct. of population living in urban area: 61.2%

Source: Thinkstock

32. North Dakota
> County: Burleigh
> Population: 92,991
> Children with asthma: 1,239
> Pct. of population living in urban area: 81.5%

24/7 Wall St.
The Biggest Company the Year You Were Born

Source: Wikimedia Commons

33. Ohio
> County: Hamilton
> Population: 807,598
> Children with asthma: 16,079
> Pct. of population living in urban area: 97.8%

Source: Thinkstock

34. Oklahoma
> County: Oklahoma
> Population: 776,864
> Children with asthma: 16,121
> Pct. of population living in urban area: 93.7%

Source: Thinkstock

35. Oregon
> County: Marion
> Population: 330,700
> Children with asthma: 6,129
> Pct. of population living in urban area: 86.9%