Statistics for Most Populous Counties by Letter

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	Population	State	Answer	% Correct
L	10,039,107	California	Los Angeles	83%
O	3,175,692	California	Orange	79%
D	2,635,516	Texas	Dallas	75%
P	1,584,064	Pennsylvania	Philadelphia	72%
Q	2,253,858	New York	Queens	72%
N	1,628,706	New York	New York	71%
S	3,338,330	California	San Diego	69%
C	5,150,233	Illinois	Cook	60%
R	2,470,546	California	Riverside	58%
U	636,235	Utah	Utah	57%
K	2,559,903	New York	Kings	56%
M	4,485,514	Arizona	Maricopa	55%
H	4,713,325	Texas	Harris	45%
A	1,671,329	California	Alameda	44%
W	1,749,343	Michigan	Wayne	38%
E	918,702	New York	Erie	36%
J	776,757	Kentucky	Jefferson	35%
V	846,006	California	Ventura	35%
F	1,316,756	Ohio	Franklin	34%
Y	449,058	Pennsylvania	York	32%
B	2,003,554	Texas	Bexar	29%
T	2,102,515	Texas	Tarrant	26%
G	936,250	Georgia	Gwinnett	24%
Z	14,190	Texas	Zapata	16%
I	292,406	Michigan	Ingham	9%