<P> In the village, the population was spread out with 21.9% under the age of 18, 7.2% from 18 to 24, 26.2% from 25 to 44, 22.9% from 45 to 64, and 21.7% who were 65 years of age or older . The median age was 42 years . For every 100 females, there were 88.3 males . For every 100 females age 18 and over, there were 84.2 males . </P> <P> The median income for a household in the village was $56,185, and the median income for a family was $71,413 . Males had a median income of $53,782 versus $41,904 for females . The per capita income for the village was $27,230 . About 3.9% of families and 5.4% of the population were below the poverty line, including 6.7% of those under age 18 and 4.6% of those age 65 or over . </P> <P> The village government consists of a village president and six village trustees . The trustees represent the six districts within the village and are elected to four - year terms by the voters in each of their respective districts . The current village president of Oak Lawn is Dr. Sandra Bury, who was elected in April 2013 as the leader of a group of trustees known as "Oak Lawn First" who defeated incumbent Mayor Dave Heilmann and his slate of candidates . </P> <P> Oak Lawn is in Illinois's 3rd congressional district . </P>

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