Table:
text: Wisconsin locations by per capita income
Wisconsin Counties Ranked by Per Capita Income
Wisconsin Counties Ranked by Per Capita Income
County Per_capita_income Median_household_income Median_family_income Population Number_of_households
Ozaukee $39,778 $74,996 $90,133 86395 34228
Waukesha $36,752 $75,064 $89,799 389891 152663
Dane $32,392 $60,519 $80,995 488073 203750
St. Croix $31,377 $67,446 $78,646 84345 31799
Washington $30,580 $64,434 $77,154 131887 51605
Door $29,154 $47,775 $60,139 27785 12548
Oneida $28,085 $45,857 $56,092 35998 16003
Calumet $27,567 $61,685 $72,208 48971 18575
United States $27,334 $51,914 $62,982 308745538 116716292
Vilas $27,128 $41,631 $52,777 21430 9658
Columbia $26,993 $55,910 $65,713 56833 22735
Outagamie $26,965 $55,914 $69,331 176695 69648
Brown $26,816 $52,553 $66,024 248007 98383
Walworth $26,769 $54,487 $67,308 102228 39699
Green $26,721 $53,088 $64,092 36842 14866
Wisconsin $26,624 $51,598 $64,869 5686986 2279768

Question: What was the population of Green County, Wisconsin in terms of per capita income?