Southwestern Indiana
Counties
Columns: IN No. | County Name | County Seat | Time Zone | Population (2010) (Rank) | Area sq mi (km 2 ) (Rank) | Twps | ZIP code Prefix(es) | % of Boundary by water
14 | Daviess | Washington | Eastern | 32,200 (6) | sqmi (km2) (3) | 10 | 475 | 55% | 19 | Dubois | Jasper | Eastern | 41,889 (3) | sqmi (km2) (4) | 12 | 475 | 24% | 26 | Gibson | Princeton | Central | 33,503 (5) | sqmi (km2) (1) | 10 | 475/476 | 59% | 42 | Knox | Vincennes | Eastern | 38,440 (4) | sqmi (km2) (2) | 10 | 475/478 | 84% | 51 | Martin | Shoals | Eastern | 10,334 (11) | sqmi (km2) (10) | 6 | 475 | 18% | 62 | Perry | Tell City | Central | 19,338 (9) | sqmi (km2) (8) | 7 | 474/475 | 52% | 63 | Pike | Petersburg | Eastern | 12,845 (10) | sqmi (km2) (9) | 9 | 475/476 | 35% | 65 | Posey | Mt. Vernon | Central | 25,940 (7) | sqmi (km2) (5) | 10 | 476 | 63% | 74 | Spencer | Rockport | Central | 20,942 (8) | sqmi (km2) (7) | 9 | 475/476 | 73% | 82 | Vanderburgh | Evansville | Central | 179,703 (1) | sqmi (km2) (11) | 8 | 476/477 | 26% | 87 | Warrick | Boonville | Central | 59,689 (2) | sqmi (km2) (6) | 10 | 475/476/477 | 19%