The median income for a household in the city was $61,632, and the median income for a family was $66,598 (these figures had risen to $77,952 and $87,037 respectively as of a 2007 estimate). Males had a median income of $47,364 versus $31,993 for females. The per capita income for the city was $22,404. About 3.7% of families and 5.6% of the population were below the poverty line, including 6.1% of those under age 18 and 4.5% of those age 65 or over.