| | | Brown County | IN | 18013 | | Indianapolis-Carmel-Greenwood,
IN 26900 | Indianapolis-Carmel-Muncie,
IN 294 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=BrownCounty+IN |
| | | Dearborn County | IN | 18029 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=DearbornCounty+IN |
| | | Harrison County | IN | 18061 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=HarrisonCounty+IN |
| | | Ohio County | IN | 18115 | | Cincinnati, OH-KY-IN 17140 | Cincinnati-Wilmington,
OH-KY-IN 178 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=OhioCounty+IN |
| | | Orange County | IN | 18117 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=OrangeCounty+IN |
| | | Switzerland County | IN | 18155 | | | | | nonmetro county (rural) | recreation | https://maps.google.com/?q=SwitzerlandCounty+IN |
| | | Allen County | IN | 18003 | | Fort Wayne, IN 23060 | Fort
Wayne-Huntington-Auburn,
IN 258 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=AllenCounty+IN |
| | | Boone County | IN | 18011 | | Indianapolis-Carmel-Greenwood,
IN 26900 | Indianapolis-Carmel-Muncie,
IN 294 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=BooneCounty+IN |
| | | Clark County | IN | 18019 | | Louisville/Jefferson
County, KY-IN 31140 | Louisville/Jefferson
County--Elizabethtown,
KY-IN 350 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ClarkCounty+IN |
| | | Crawford County | IN | 18025 | | | | | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CrawfordCounty+IN |
