| | | Manassas city | VA | 51683 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=Manassascity+VA |
| | | Manassas Park city | VA | 51685 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=ManassasParkcity+VA |
| | | Jefferson County | WV | 54037 | Arlington-Alexandria-Reston,
VA-WV 11694 | Washington-Arlington-Alexandria,
DC-VA-MD-WV 47900 | Washington-Baltimore-Arlington,
DC-MD-VA-WV-PA 548 | Outlying | metro county (urban) | recreation | https://maps.google.com/?q=JeffersonCounty+WV |
| | | Naugatuck Valley Planning
Region | CT | 09140 | | Waterbury-Shelton, CT 47930 | New
Haven-Hartford-Waterbury,
CT 405 | Central | | | https://maps.google.com/?q=NaugatuckValleyPlanningRegion+Connecticut |
| | | Black Hawk County | IA | 19013 | | Waterloo-Cedar Falls, IA 47940 | | Central | metro county (urban) | manufacturing-dependent | https://maps.google.com/?q=BlackHawkCounty+IA |
| | | Bremer County | IA | 19017 | | Waterloo-Cedar Falls, IA 47940 | | Outlying | metro county (urban) | nonspecialized | https://maps.google.com/?q=BremerCounty+IA |
| | | Grundy County | IA | 19075 | | Waterloo-Cedar Falls, IA 47940 | | Outlying | metro county (urban) | farm-dependent | https://maps.google.com/?q=GrundyCounty+IA |
| | | Codington County | SD | 46029 | | Watertown, SD 47980 | | Central | nonmetro county (rural) | nonspecialized | https://maps.google.com/?q=CodingtonCounty+SD |
| | | Jefferson County | WI | 55055 | | Watertown-Fort Atkinson,
WI 48020 | Milwaukee-Racine-Waukesha,
WI 376 | Central | nonmetro county (rural) | manufacturing-dependent | https://maps.google.com/?q=JeffersonCounty+WI |
| | | Jefferson County | NY | 36045 | | Watertown-Fort Drum, NY 48060 | | Central | metro county (urban) | nonspecialized | https://maps.google.com/?q=JeffersonCounty+NY |