Counties
| IN No. |
County Name |
Establishment Date |
County Seat |
Time Zone |
Population (2010) (Rank) |
Area sq mi (km2) (Rank) |
Twps |
Zip Code Prefix(es) |
% of Boundary by water |
|---|---|---|---|---|---|---|---|---|---|
| 14 | Daviess | February 2, 1818 (10) (29) (14) |
Washington | Eastern | 32,200 (6) |
437 sq mi (1,130 km2) (3) |
10 | 475 | 55% |
| 19 | Dubois | December 20, 1817 (7) (20) (4) |
Jasper | Eastern | 41,889 (3) |
435 sq mi (1,130 km2) (4) |
12 | 475 | 24% |
| 26 | Gibson | April 1, 1813 (2) (8) (T) |
Princeton | Central | 33,503 (5) |
526 sq mi (1,360 km2) (1) |
10 | 475/476 | 59% |
| 42 | Knox | June 6, 1790 (1) (1) (T) |
Vincennes | Eastern | 38,440 (4) |
516 sq mi (1,340 km2) (2) |
10 | 475/478 | 84% |
| 51 | Martin | January 7, 1820 (11) (33) (18) |
Shoals | Eastern | 10,334 (11) |
341 sq mi (880 km2) (10) |
6 | 475 | 18% |
| 62 | Perry | November 1, 1814 (4) (12) (T) |
Tell City | Central | 19,338 (9) |
386 sq mi (1,000 km2) (8) |
7 | 474/475 | 52% |
| 63 | Pike | December 21, 1816 (6) (16) (1) |
Petersburg | Eastern | 12,845 (10) |
342 sq mi (890 km2) (9) |
9 | 475/476 | 35% |
| 65 | Posey | November 11, 1814 (5) (13) (T) |
Mt. Vernon | Central | 25,940 (7) |
429 sq mi (1,110 km2) (5) |
10 | 476 | 63% |
| 74 | Spencer | January 10, 1818 (9) (24) (9) |
Rockport | Central | 20,942 (8) |
401 sq mi (1,040 km2) (7) |
9 | 475/476 | 73% |
| 82 | Vanderburgh | January 7, 1818 (8) (22) (7) |
Evansville | Central | 179,703 (1) |
236 sq mi (610 km2) (11) |
8 | 476/477 | 26% |
| 87 | Warrick | April 30, 1813 (3) (9) (T) |
Boonville | Central | 59,689 (2) |
424 sq mi (1,100 km2) (6) |
10 | 475/476/477 | 19% |
(T) - Establishment Date - Indiana Territory County
Read more about this topic: Southwestern Indiana