kansas had 627 cities in 2008. the largest city in kansas is wichita, which had a population of 382,368 in 2010. the other largest cities in kansas are: overland park, 173,372; kansas city, 145,786; topeka, 127,473; and olathe, 125,872. between the years of 2000 and 2010, the kansas population increased 6.1 percent.