190010
In 1840 , Philadelphia 's population was 93,665 and the rest of the county was 164,372 ; by 1850 the populations were 121,376 and 287,385 respectively .
 Philadelphia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Philadelphia