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McCook, Illinois
20150911 01 U S 66 McCook, Illinois (26051009222).jpg
McCook welcome sign, inspired by the Welcome to Fabulous Las Vegas sign
Country United States
State Illinois
County Cook
Coordinates 41°47′55″N 87°49′57″W / 41.79861°N 87.83250°W / 41.79861; -87.83250
Area 2.64 sq mi (7 km²)
 - land 2.61 sq mi (7 km²)
 - water 0.02 sq mi (0 km²)
Population 228 (2010)
Density 87.4 /sq mi (34 /km²)
Mayor Jeffrey Tobolski
Timezone CST (UTC-6)
 - summer (DST) CDT (UTC-5)
Postal code 60525
Area code 708

McCook is a suburb of Chicago in Cook County, in the U.S. state of Illinois. As of the 2010 census, the village population was 228, which is the lowest population of all municipalities in the county. It was named for John J. McCook, a late 19th-century director of the Santa Fe Railroad and a former Civil War officer. The railway stopped at a small station in McCook.


McCook is located at 41°47′55″N 87°49′57″W / 41.79861°N 87.83250°W / 41.79861; -87.83250 (41.798542, -87.832432).

According to the 2010 census, McCook has a total area of 2.631 square miles (6.81 km2), of which 2.61 square miles (6.76 km2) (or 99.2%) is land and 0.021 square miles (0.05 km2) (or 0.8%) is water.

McCook is home to a small population but a large amount of heavy industry, resulting in a large tax base.


Historical population
Census Pop.
1930 367
1940 315 −14.2%
1950 361 14.6%
1960 441 22.2%
1970 333 −24.5%
1980 303 −9.0%
1990 235 −22.4%
2000 254 8.1%
2010 228 −10.2%
Est. 2015 230 0.9%
U.S. Decennial Census

As of the census of 2000, there were 254 people, 119 households, and 69 families residing in the village. The population density was 97.6 people per square mile (37.7/km²). There were 125 housing units at an average density of 48.0 per square mile (18.6/km²). The racial makeup of the village was 95.28% White, 4.72% from other races. Hispanic or Latino of any race were 7.87% of the population.

The top three ancestries reported in McCook as of the 2000 census were Polish (18.9%), Irish (16.3%) and Italian (16.3%).

There were 119 households out of which 19.3% had children under the age of 18 living with them, 39.5% were married couples living together, 11.8% had a female householder with no husband present, and 42.0% were non-families. 39.5% of all households were made up of individuals and 15.1% had someone living alone who was 65 years of age or older. The average household size was 2.13 and the average family size was 2.86.

In the village, the population was spread out with 16.5% under the age of 18, 8.7% from 18 to 24, 28.3% from 25 to 44, 25.2% from 45 to 64, and 21.3% who were 65 years of age or older. The median age was 43 years. For every 100 females there were 91.0 males. For every 100 females age 18 and over, there were 91.0 males.

The median income for a household in the village was $43,125, and the median income for a family was $58,333. Males had a median income of $40,625 versus $26,429 for females. The per capita income for the village was $24,996. None of the families and 1.8% of the population were living below the poverty line, including no under eighteens and 4.1% of those over 64.


McCook is home to a large amount of heavy industry, including portions of Vulcan Materials Company McCook Quarry, UOP, and the Electro-Motive Diesel (EMD) railroad locomotive plant. Known as the LaGrange plant for its mailing address (McCook does not have its own post office), EMD produced most of their locomotives there from 1935 to 1991, when parent company General Motors moved all final-assembly operations to London, Ontario. The LaGrange plant continues to manufacture locomotive parts and engines, and also serves as the EMD U.S. headquarters.


The Outlaws Motorcycle Club was established in McCook in 1935 when U.S. Route 66 was in existence and passed through the town.

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