There is one place named Hartstown in America.
All places in the world called "Hartstown".
Riverside (46)
Centerville (43)
Fairview (40)
Franklin (39)
Midway (39)
Union (37)
Greenwood (37)
Marion (36)
Glendale (36)
Salem (36)
Georgetown (35)
Oakland (35)
Liberty (35)
Lincoln (35)
Fairfield (35)
Pleasant Valley (35)
Springfield (34)
Clinton (34)
Arlington (34)
Florence (34)
Greenville (34)
Bethel (34)
Farmington (33)
Newport (33)
Chester (33)
Kingston (33)
Clifton (33)
Milton (33)
Hamilton (33)
Lakeside (32)