Table:
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1
IN No.
County Name
Establishment Date (SW Indiana) (History) (Statehood)
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
February 2, 1818 (10) (29) (14)
Washington
Eastern
32,200 (6)
sqmi (km2) (3)
10
475
55%
3
19
Dubois
December 20, 1817 (7) (20) (4)
Jasper
Eastern
41,889 (3)
sqmi (km2) (4)
12
475
24%
4
26
Gibson
April 1, 1813 (2) (8) (T)
Princeton
Central
33,503 (5)
sqmi (km2) (1)
10
475/476
59%
5
42
Knox
June 6, 1790 (1) (1) (T)
Vincennes
Eastern
38,440 (4)
sqmi (km2) (2)
10
475/478
84%
6
51
Martin
January 7, 1820 (11) (33) (18)
Shoals
Eastern
10,334 (11)
sqmi (km2) (10)
6
475
18%
7
62
Perry
November 1, 1814 (4) (12) (T)
Tell City
Central
19,338 (9)
sqmi (km2) (8)
7
474/475
52%
8
63
Pike
December 21, 1816 (6) (16) (1)
Petersburg
Eastern
12,845 (10)
sqmi (km2) (9)
9
475/476
35%
9
65
Posey
November 11, 1814 (5) (13) (T)
Mt. Vernon
Central
25,940 (7)
sqmi (km2) (5)
10
476
63%
10
74
Spencer
January 10, 1818 (9) (24) (9)
Rockport
Central
20,942 (8)
sqmi (km2) (7)
9
475/476
73%
11
82
Vanderburgh
January 7, 1818 (8) (22) (7)
Evansville
Central
179,703 (1)
sqmi (km2) (11)
8
476/477
26%

Questions and formulas:
Question: When Spencer is the county  what is total of the population (2010) (rank)? 
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,B1="Spencer"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,B2:B11="Spencer"),6))
Level: medium
Question: When Vincennes is the county seat what is the area sq mi (km 2 ) (rank) ?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,D1="Vincennes"),7))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,D2:D11="Vincennes"),7))
Level: medium
Question: When the  area sq mi (km 2 ) (rank) is sqmi (km2) (5) what is the  population (2010) (rank)?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:J1,G1="sqmi (km2) (5)"),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:J11,G2:G11="sqmi (km2) (5)"),6))
Level: medium
Question: When the % of boundary by water is 63% what is the overall number of zip code prefix(es)?
Formula: ROWS(UNIQUE(FILTER(I1, J1="63%")))
Formula2: ROWS(UNIQUE(FILTER(I2:I11, J2:J11="63%")))
Level: medium
Question: When Spencer is the county what is the  in no.?
Formula: SUMIFS(A1,B1,"Spencer")
Formula2: SUMIFS(A2:A11,B2:B11,"Spencer")
Level: easy