2.81 and the average family size was 3.17. In the village, the population was spread out, with 27.4% under the age of 18, 8.1% from 18 to 24, 31.2% from 25 to 44, 25.2% from 45 to 64, and 8.1% who were 65 years of age or older. The median age was 36 years. For every 100 females, there were 100.4 males. For every 100 females age 18 and over, there were 97.8 males. The median income for a household in the village was $72,795, and the median income for a family was $79,442. Males had a median income of $44,795 versus $32,392 for females. The per capita income for the village was $24,256. About 1.9% of families and 3.1% of the population were below the poverty line, including 3.1% of those under age 18 and 4.2% of those age 65 or over. Transportation Major streets Sheridan Road 9th Street Lewis Avenue Russell Road Kenosha Road 7th Street Rail Winthrop Harbor is served by Metra's Union Pacific / North Line, at Winthrop Harbor Metra station. Public services The village of Winthrop Harbor has a full-time police department and a part-time fire department. Police department The Winthrop Harbor Police Department's full-time officers are supplemented by part-time officers in both Patrol and Specialist positions. The department offers the following bureaus: Patrol, Detectives, Sex Crimes, Communications, CyberCrime, Records, and Evidence/Property. The current Chief is Edward Mohn. Fire department The Winthrop Harbor Fire Department, founded in 1949, has grown from a small volunteer force to a 24-hour-a-day operation. Currently, part-time employees work overlapping shifts providing a crew 24-hours a day, 7 days a week. These 'on-duty' crews are supplemented with off-duty personnel who respond from home. They work with two engines, a 75-foot ladder truck, two advanced life support ambulances, one brush unit, a rescue boat and a staff and command car. Through automatic aid agreements with the surrounding area, the Village receives optimal emergency service. The current Fire Chief is Rocco Campanella. Pollution concerns In a study released on July 30, 2009 by Forbes.com, Winthrop Harbor's North Point Marina was reported as the seventh most polluted beach in the United States based on samples taken in 2008. North Point Marina has been on this list since 2005, exceeding acceptable contamination levels in 61 percent of tests. In 2006, a test taken at the local beach stated that this is one of the most