Table:
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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
2
14
Daviess
Washington
Eastern
32,200 (6)
sqmi (km2) (3)
10
475
55%
3
19
Dubois
Jasper
Eastern
41,889 (3)
sqmi (km2) (4)
12
475
24%
4
26
Gibson
Princeton
Central
33,503 (5)
sqmi (km2) (1)
10
475/476
59%
5
42
Knox
Vincennes
Eastern
38,440 (4)
sqmi (km2) (2)
10
475/478
84%
6
51
Martin
Shoals
Eastern
10,334 (11)
sqmi (km2) (10)
6
475
18%
7
62
Perry
Tell City
Central
19,338 (9)
sqmi (km2) (8)
7
474/475
52%
8
63
Pike
Petersburg
Eastern
12,845 (10)
sqmi (km2) (9)
9
475/476
35%
9
65
Posey
Mt. Vernon
Central
25,940 (7)
sqmi (km2) (5)
10
476
63%
10
74
Spencer
Rockport
Central
20,942 (8)
sqmi (km2) (7)
9
475/476
73%
11
82
Vanderburgh
Evansville
Central
179,703 (1)
sqmi (km2) (11)
8
476/477
26%
12
87
Warrick
Boonville
Central
59,689 (2)
sqmi (km2) (6)
10
475/476/477
19%

Questions and formulas:
Question: what is the zip code of boonville
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:I1,C1="boonville"),8))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:I12,C2:C12="boonville"),8))
Level: medium