2020 census

2010 Census

As of the 2010 United States Census,^[8] there were 6,742 people living in the village. The racial makeup of the village was 90.94% White, 1.44% Black or African American, 2.31% Asian, 0.39% Native American, 0.01% Pacific Islander, 2.03% of some other race and 2.88% of two or more races. 7.64% were Hispanic or Latino (of any race).

As of the census^[9] of 2000, there were 6,670 people, 2,370 households, and 1,884 families living in the village. The population density was 1,548.0 inhabitants per square mile (597.7/km²). There were 2,435 housing units at an average density of 565.1 per square mile (218.2/km²). The racial makeup of the village was 93.79% White, 0.57% African American, 0.49% Native American, 1.90% Asian, 0.01% Pacific Islander, 1.51% from other races, and 1.71% from two or more races. Hispanic or Latino of any race were 4.54% of the population.

There were 2,370 households, out of which 40.1% had children under the age of 18 living with them, 66.8% were married couples living together, 8.4% had a female householder with no husband present, and 20.5% were non-families. 17.0% of all households were made up of individuals, and 5.1% had someone living alone who was 65 years of age or older. The average household size was 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.

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 station.

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 Anthony Velardi.

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.